[Git][freetype/freetype][master] [gzip] Update sources to zlib 1.13.

Werner Lemberg pushed to branch master at FreeType / FreeType

Commits:

2d9fce53
by Werner Lemberg at 2023-08-27T09:47:24+02:00
```
[gzip] Update sources to zlib 1.13.
```

15 changed files:

src/gzip/README.freetype
src/gzip/adler32.c
src/gzip/crc32.c
src/gzip/ftzconf.h
src/gzip/gzguts.h
src/gzip/inffast.c
src/gzip/inffast.h
src/gzip/inflate.c
src/gzip/inflate.h
src/gzip/inftrees.c
src/gzip/inftrees.h
src/gzip/patches/freetype-zlib.diff
src/gzip/zlib.h
src/gzip/zutil.c
src/gzip/zutil.h

Changes:

  Name: zlib
  Short Name: zlib
  URL: http://zlib.net/
 -Version: 1.2.13
 +Version: 1.3
  License: see `zlib.h`
  Description:
@@ -19,5 +19,4 @@ The files in this directory have been prepared as follows.
   - Take the unmodified source code files from the zlib distribution that are
     included by `ftgzip.c`.
   - Copy `zconf.h` to `ftzconf.h` (which stays unmodified otherwise).
 - - Run zlib's `zlib2ansi` script on all `.c` files.
   - Apply the diff file(s) in the `patches` folder.

src/gzip/adler32.c

@@ -7,10 +7,6 @@
  #include "zutil.h"
 -#ifndef Z_FREETYPE
 -local uLong adler32_combine_ OF((uLong adler1, uLong adler2, z_off64_t len2));
 -#endif
+-
  #define BASE 65521U     /* largest prime smaller than 65536 */
  #define NMAX 5552
  /* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
@@ -62,11 +58,7 @@ local uLong adler32_combine_ OF((uLong adler1, uLong adler2, z_off64_t len2));
  #endif
  /* ========================================================================= */
 -uLong ZEXPORT adler32_z(
 -    uLong adler,
 -    const Bytef *buf,
 -    z_size_t len)
 -{
 +uLong ZEXPORT adler32_z(uLong adler, const Bytef *buf, z_size_t len) {
      unsigned long sum2;
      unsigned n;
@@ -133,22 +125,14 @@ uLong ZEXPORT adler32_z(
+ }
  /* ========================================================================= */
 -uLong ZEXPORT adler32(
 -    uLong adler,
 -    const Bytef *buf,
 -    uInt len)
 -{
 +uLong ZEXPORT adler32(uLong adler, const Bytef *buf, uInt len) {
      return adler32_z(adler, buf, len);
+ }
  #ifndef Z_FREETYPE
  /* ========================================================================= */
 -local uLong adler32_combine_(
 -    uLong adler1,
 -    uLong adler2,
 -    z_off64_t len2)
 -{
 +local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2) {
      unsigned long sum1;
      unsigned long sum2;
      unsigned rem;
@@ -173,19 +157,11 @@ local uLong adler32_combine_(
+ }
  /* ========================================================================= */
 -uLong ZEXPORT adler32_combine(
 -    uLong adler1,
 -    uLong adler2,
 -    z_off_t len2)
 -{
 +uLong ZEXPORT adler32_combine(uLong adler1, uLong adler2, z_off_t len2) {
      return adler32_combine_(adler1, adler2, len2);
+ }
 -uLong ZEXPORT adler32_combine64(
 -    uLong adler1,
 -    uLong adler2,
 -    z_off64_t len2)
 -{
 +uLong ZEXPORT adler32_combine64(uLong adler1, uLong adler2, z_off64_t len2) {
      return adler32_combine_(adler1, adler2, len2);
+ }

src/gzip/crc32.c

@@ -103,21 +103,6 @@
  #  define ARMCRC32
  #endif
 -#ifndef Z_FREETYPE
 -/* Local functions. */
 -local z_crc_t multmodp OF((z_crc_t a, z_crc_t b));
 -local z_crc_t x2nmodp OF((z_off64_t n, unsigned k));
 -#endif  /* Z_FREETYPE */
+-
 -#if defined(W) && (!defined(ARMCRC32) || defined(DYNAMIC_CRC_TABLE))
 -    local z_word_t byte_swap OF((z_word_t word));
 -#endif
+-
 -#if defined(W) && !defined(ARMCRC32)
 -    local z_crc_t crc_word OF((z_word_t data));
 -    local z_word_t crc_word_big OF((z_word_t data));
 -#endif
+-
  #if defined(W) && (!defined(ARMCRC32) || defined(DYNAMIC_CRC_TABLE))
  /*
    Swap the bytes in a z_word_t to convert between little and big endian. Any
@@ -125,9 +110,7 @@ local z_crc_t x2nmodp OF((z_off64_t n, unsigned k));
    instruction, if one is available. This assumes that word_t is either 32 bits
    or 64 bits.
   */
 -local z_word_t byte_swap(
 -    z_word_t word)
 -{
 +local z_word_t byte_swap(z_word_t word) {
  #  if W == 8
      return
          (word & 0xff00000000000000) >> 56 |
@@ -148,24 +131,81 @@ local z_word_t byte_swap(
+ }
  #endif
 +#ifdef DYNAMIC_CRC_TABLE
 +/* =========================================================================
 + * Table of powers of x for combining CRC-32s, filled in by make_crc_table()
 + * below.
 + */
 +   local z_crc_t FAR x2n_table[32];
 +#else
 +/* =========================================================================
 + * Tables for byte-wise and braided CRC-32 calculations, and a table of powers
 + * of x for combining CRC-32s, all made by make_crc_table().
 + */
 +#  include "crc32.h"
 +#endif
++
  /* CRC polynomial. */
  #define POLY 0xedb88320         /* p(x) reflected, with x^32 implied */
 -#ifdef DYNAMIC_CRC_TABLE
 +#ifndef Z_FREETYPE
 +/*
 +  Return a(x) multiplied by b(x) modulo p(x), where p(x) is the CRC polynomial,
 +  reflected. For speed, this requires that a not be zero.
 + */
 +local z_crc_t multmodp(z_crc_t a, z_crc_t b) {
 +    z_crc_t m, p;
++
 +    m = (z_crc_t)1 << 31;
 +    p = 0;
 +    for (;;) {
 +        if (a & m) {
 +            p ^= b;
 +            if ((a & (m - 1)) == 0)
 +                break;
 +        }
 +        m >>= 1;
 +        b = b & 1 ? (b >> 1) ^ POLY : b >> 1;
 +    }
 +    return p;
 +}
++
 +/*
 +  Return x^(n * 2^k) modulo p(x). Requires that x2n_table[] has been
 +  initialized.
 + */
 +local z_crc_t x2nmodp(z_off64_t n, unsigned k) {
 +    z_crc_t p;
++
 +    p = (z_crc_t)1 << 31;           /* x^0 == 1 */
 +    while (n) {
 +        if (n & 1)
 +            p = multmodp(x2n_table[k & 31], p);
 +        n >>= 1;
 +        k++;
 +    }
 +    return p;
 +}
++
 +#endif  /* !Z_FREETYPE */
++
 +#ifdef DYNAMIC_CRC_TABLE
 +/* =========================================================================
 + * Build the tables for byte-wise and braided CRC-32 calculations, and a table
 + * of powers of x for combining CRC-32s.
 + */
  local z_crc_t FAR crc_table[256];
 -local z_crc_t FAR x2n_table[32];
 -local void make_crc_table OF((void));
  #ifdef W
     local z_word_t FAR crc_big_table[256];
     local z_crc_t FAR crc_braid_table[W][256];
     local z_word_t FAR crc_braid_big_table[W][256];
 -   local void braid OF((z_crc_t [][256], z_word_t [][256], int, int));
 +   local void braid(z_crc_t [][256], z_word_t [][256], int, int);
  #endif
  #ifdef MAKECRCH
 -   local void write_table OF((FILE *, const z_crc_t FAR *, int));
 -   local void write_table32hi OF((FILE *, const z_word_t FAR *, int));
 -   local void write_table64 OF((FILE *, const z_word_t FAR *, int));
 +   local void write_table(FILE *, const z_crc_t FAR *, int);
 +   local void write_table32hi(FILE *, const z_word_t FAR *, int);
 +   local void write_table64(FILE *, const z_word_t FAR *, int);
  #endif /* MAKECRCH */
  /*
@@ -178,7 +218,6 @@ local void make_crc_table OF((void));
  /* Definition of once functionality. */
  typedef struct once_s once_t;
 -local void once OF((once_t *, void (*)(void)));
  /* Check for the availability of atomics. */
  #if defined(__STDC__) && __STDC_VERSION__ >= 201112L && \
@@ -198,10 +237,7 @@ struct once_s {
    invoke once() at the same time. The state must be a once_t initialized with
    ONCE_INIT.
   */
 -local void once(state, init)
 -    once_t *state;
 -    void (*init)(void);
 -{
 +local void once(once_t *state, void (*init)(void)) {
      if (!atomic_load(&state->done)) {
          if (atomic_flag_test_and_set(&state->begun))
              while (!atomic_load(&state->done))
@@ -224,10 +260,7 @@ struct once_s {
  /* Test and set. Alas, not atomic, but tries to minimize the period of
     vulnerability. */
 -local int test_and_set OF((int volatile *));
 -local int test_and_set(
 -    int volatile *flag)
 -{
 +local int test_and_set(int volatile *flag) {
      int was;
      was = *flag;
@@ -236,10 +269,7 @@ local int test_and_set(
+ }
  /* Run the provided init() function once. This is not thread-safe. */
 -local void once(state, init)
 -    once_t *state;
 -    void (*init)(void);
 -{
 +local void once(once_t *state, void (*init)(void)) {
      if (!state->done) {
          if (test_and_set(&state->begun))
              while (!state->done)
@@ -281,8 +311,7 @@ local once_t made = ONCE_INIT;
    combinations of CRC register values and incoming bytes.
   */
 -local void make_crc_table()
 -{
 +local void make_crc_table(void) {
      unsigned i, j, n;
      z_crc_t p;
@@ -449,11 +478,7 @@ local void make_crc_table()
     Write the 32-bit values in table[0..k-1] to out, five per line in
     hexadecimal separated by commas.
   */
 -local void write_table(
 -    FILE *out,
 -    const z_crc_t FAR *table,
 -    int k)
 -{
 +local void write_table(FILE *out, const z_crc_t FAR *table, int k) {
      int n;
      for (n = 0; n < k; n++)
@@ -466,11 +491,7 @@ local void write_table(
     Write the high 32-bits of each value in table[0..k-1] to out, five per line
     in hexadecimal separated by commas.
   */
 -local void write_table32hi(
 -    FILE *out,
 -    const z_word_t FAR *table,
 -    int k)
 -{
 +local void write_table32hi(FILE *out, const z_word_t FAR *table, int k) {
      int n;
      for (n = 0; n < k; n++)
@@ -486,11 +507,7 @@ local void write_table32hi(
    bits. If not, then the type cast and format string can be adjusted
    accordingly.
   */
 -local void write_table64(
 -    FILE *out,
 -    const z_word_t FAR *table,
 -    int k)
 -{
 +local void write_table64(FILE *out, const z_word_t FAR *table, int k) {
      int n;
      for (n = 0; n < k; n++)
@@ -500,8 +517,7 @@ local void write_table64(
+ }
  /* Actually do the deed. */
 -int main()
 -{
 +int main(void) {
      make_crc_table();
      return 0;
+ }
@@ -513,12 +529,7 @@ int main()
    Generate the little and big-endian braid tables for the given n and z_word_t
    size w. Each array must have room for w blocks of 256 elements.
   */
 -local void braid(ltl, big, n, w)
 -    z_crc_t ltl[][256];
 -    z_word_t big[][256];
 -    int n;
 -    int w;
 -{
 +local void braid(z_crc_t ltl[][256], z_word_t big[][256], int n, int w) {
      int k;
      z_crc_t i, p, q;
      for (k = 0; k < w; k++) {
@@ -533,78 +544,22 @@ local void braid(ltl, big, n, w)
+ }
  #endif
 -#else /* !DYNAMIC_CRC_TABLE */
 -/* ========================================================================
 - * Tables for byte-wise and braided CRC-32 calculations, and a table of powers
 - * of x for combining CRC-32s, all made by make_crc_table().
 - */
 -#include "crc32.h"
  #endif /* DYNAMIC_CRC_TABLE */
 -/* ========================================================================
 - * Routines used for CRC calculation. Some are also required for the table
 - * generation above.
 - */
+-
  #ifndef Z_FREETYPE
 -/*
 -  Return a(x) multiplied by b(x) modulo p(x), where p(x) is the CRC polynomial,
 -  reflected. For speed, this requires that a not be zero.
 - */
 -local z_crc_t multmodp(
 -    z_crc_t a,
 -    z_crc_t b)
 -{
 -    z_crc_t m, p;
+-
 -    m = (z_crc_t)1 << 31;
 -    p = 0;
 -    for (;;) {
 -        if (a & m) {
 -            p ^= b;
 -            if ((a & (m - 1)) == 0)
 -                break;
 -        }
 -        m >>= 1;
 -        b = b & 1 ? (b >> 1) ^ POLY : b >> 1;
 -    }
 -    return p;
 -}
+-
 -/*
 -  Return x^(n * 2^k) modulo p(x). Requires that x2n_table[] has been
 -  initialized.
 - */
 -local z_crc_t x2nmodp(
 -    z_off64_t n,
 -    unsigned k)
 -{
 -    z_crc_t p;
+-
 -    p = (z_crc_t)1 << 31;           /* x^0 == 1 */
 -    while (n) {
 -        if (n & 1)
 -            p = multmodp(x2n_table[k & 31], p);
 -        n >>= 1;
 -        k++;
 -    }
 -    return p;
 -}
+-
  /* =========================================================================
   * This function can be used by asm versions of crc32(), and to force the
   * generation of the CRC tables in a threaded application.
   */
 -const z_crc_t FAR * ZEXPORT get_crc_table()
 -{
 +const z_crc_t FAR * ZEXPORT get_crc_table(void) {
  #ifdef DYNAMIC_CRC_TABLE
      once(&made, make_crc_table);
  #endif /* DYNAMIC_CRC_TABLE */
      return (const z_crc_t FAR *)crc_table;
+ }
 -#endif  /* Z_FREETYPE */
 +#endif   /* !Z_FREETYPE */
  /* =========================================================================
   * Use ARM machine instructions if available. This will compute the CRC about
@@ -625,11 +580,8 @@ const z_crc_t FAR * ZEXPORT get_crc_table()
  #define Z_BATCH_ZEROS 0xa10d3d0c    /* computed from Z_BATCH = 3990 */
  #define Z_BATCH_MIN 800             /* fewest words in a final batch */
 -unsigned long ZEXPORT crc32_z(
 -    unsigned long crc,
 -    const unsigned char FAR *buf,
 -    z_size_t len)
 -{
 +unsigned long ZEXPORT crc32_z(unsigned long crc, const unsigned char FAR *buf,
 +                              z_size_t len) {
      z_crc_t val;
      z_word_t crc1, crc2;
      const z_word_t *word;
@@ -729,18 +681,14 @@ unsigned long ZEXPORT crc32_z(
    least-significant byte of the word as the first byte of data, without any pre
    or post conditioning. This is used to combine the CRCs of each braid.
   */
 -local z_crc_t crc_word(
 -    z_word_t data)
 -{
 +local z_crc_t crc_word(z_word_t data) {
      int k;
      for (k = 0; k < W; k++)
          data = (data >> 8) ^ crc_table[data & 0xff];
      return (z_crc_t)data;
+ }
 -local z_word_t crc_word_big(
 -    z_word_t data)
 -{
 +local z_word_t crc_word_big(z_word_t data) {
      int k;
      for (k = 0; k < W; k++)
          data = (data << 8) ^
@@ -751,11 +699,8 @@ local z_word_t crc_word_big(
  #endif
  /* ========================================================================= */
 -unsigned long ZEXPORT crc32_z(
 -    unsigned long crc,
 -    const unsigned char FAR *buf,
 -    z_size_t len)
 -{
 +unsigned long ZEXPORT crc32_z(unsigned long crc, const unsigned char FAR *buf,
 +                              z_size_t len) {
      /* Return initial CRC, if requested. */
      if (buf == Z_NULL) return 0;
@@ -787,8 +732,8 @@ unsigned long ZEXPORT crc32_z(
          words = (z_word_t const *)buf;
          /* Do endian check at execution time instead of compile time, since ARM
 -           processors can change the endianess at execution time. If the
 -           compiler knows what the endianess will be, it can optimize out the
 +           processors can change the endianness at execution time. If the
 +           compiler knows what the endianness will be, it can optimize out the
             check and the unused branch. */
          endian = 1;
          if (*(unsigned char *)&endian) {
@@ -1075,22 +1020,15 @@ unsigned long ZEXPORT crc32_z(
  #endif
  /* ========================================================================= */
 -unsigned long ZEXPORT crc32(
 -    unsigned long crc,
 -    const unsigned char FAR *buf,
 -    uInt len)
 -{
 +unsigned long ZEXPORT crc32(unsigned long crc, const unsigned char FAR *buf,
 +                            uInt len) {
      return crc32_z(crc, buf, len);
+ }
  #ifndef Z_FREETYPE
  /* ========================================================================= */
 -uLong ZEXPORT crc32_combine64(
 -    uLong crc1,
 -    uLong crc2,
 -    z_off64_t len2)
 -{
 +uLong ZEXPORT crc32_combine64(uLong crc1, uLong crc2, z_off64_t len2) {
  #ifdef DYNAMIC_CRC_TABLE
      once(&made, make_crc_table);
  #endif /* DYNAMIC_CRC_TABLE */
@@ -1098,18 +1036,12 @@ uLong ZEXPORT crc32_combine64(
+ }
  /* ========================================================================= */
 -uLong ZEXPORT crc32_combine(
 -    uLong crc1,
 -    uLong crc2,
 -    z_off_t len2)
 -{
 +uLong ZEXPORT crc32_combine(uLong crc1, uLong crc2, z_off_t len2) {
      return crc32_combine64(crc1, crc2, (z_off64_t)len2);
+ }
  /* ========================================================================= */
 -uLong ZEXPORT crc32_combine_gen64(
 -    z_off64_t len2)
 -{
 +uLong ZEXPORT crc32_combine_gen64(z_off64_t len2) {
  #ifdef DYNAMIC_CRC_TABLE
      once(&made, make_crc_table);
  #endif /* DYNAMIC_CRC_TABLE */
@@ -1117,19 +1049,13 @@ uLong ZEXPORT crc32_combine_gen64(
+ }
  /* ========================================================================= */
 -uLong ZEXPORT crc32_combine_gen(
 -    z_off_t len2)
 -{
 +uLong ZEXPORT crc32_combine_gen(z_off_t len2) {
      return crc32_combine_gen64((z_off64_t)len2);
+ }
  /* ========================================================================= */
 -uLong ZEXPORT crc32_combine_op(
 -    uLong crc1,
 -    uLong crc2,
 -    uLong op)
 -{
 +uLong ZEXPORT crc32_combine_op(uLong crc1, uLong crc2, uLong op) {
      return multmodp(op, crc1) ^ (crc2 & 0xffffffff);
+ }
 -#endif  /* Z_FREETYPE */
 +#endif  /* !Z_FREETYPE */

src/gzip/ftzconf.h

@@ -241,7 +241,11 @@
  #endif
  #ifdef Z_SOLO
 -   typedef unsigned long z_size_t;
 +#  ifdef _WIN64
 +     typedef unsigned long long z_size_t;
 +#  else
 +     typedef unsigned long z_size_t;
 +#  endif
  #else
  #  define z_longlong long long
  #  if defined(NO_SIZE_T)
@@ -520,7 +524,7 @@ typedef uLong FAR uLongf;
  #if !defined(_WIN32) && defined(Z_LARGE64)
  #  define z_off64_t off64_t
  #else
 -#  if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO)
 +#  if defined(_WIN32) && !defined(__GNUC__)
  #    define z_off64_t __int64
  #  else
  #    define z_off64_t z_off_t

src/gzip/gzguts.h

@@ -7,9 +7,8 @@
  #  ifndef _LARGEFILE_SOURCE
  #    define _LARGEFILE_SOURCE 1
  #  endif
 -#  ifdef _FILE_OFFSET_BITS
 -#    undef _FILE_OFFSET_BITS
 -#  endif
 +#  undef _FILE_OFFSET_BITS
 +#  undef _TIME_BITS
  #endif
  #ifdef HAVE_HIDDEN
@@ -119,8 +118,8 @@
  /* gz* functions always use library allocation functions */
  #ifndef STDC
 -  extern voidp  malloc OF((uInt size));
 -  extern void   free   OF((voidpf ptr));
 +  extern voidp  malloc(uInt size);
 +  extern void   free(voidpf ptr);
  #endif
  /* get errno and strerror definition */
@@ -138,10 +137,10 @@
  /* provide prototypes for these when building zlib without LFS */
  #if !defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0
 -    ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *));
 -    ZEXTERN z_off64_t ZEXPORT gzseek64 OF((gzFile, z_off64_t, int));
 -    ZEXTERN z_off64_t ZEXPORT gztell64 OF((gzFile));
 -    ZEXTERN z_off64_t ZEXPORT gzoffset64 OF((gzFile));
 +    ZEXTERN gzFile ZEXPORT gzopen64(const char *, const char *);
 +    ZEXTERN z_off64_t ZEXPORT gzseek64(gzFile, z_off64_t, int);
 +    ZEXTERN z_off64_t ZEXPORT gztell64(gzFile);
 +    ZEXTERN z_off64_t ZEXPORT gzoffset64(gzFile);
  #endif
  /* default memLevel */
@@ -203,9 +202,9 @@ typedef struct {
  typedef gz_state FAR *gz_statep;
  /* shared functions */
 -void ZLIB_INTERNAL gz_error OF((gz_statep, int, const char *));
 +void ZLIB_INTERNAL gz_error(gz_statep, int, const char *);
  #if defined UNDER_CE
 -char ZLIB_INTERNAL *gz_strwinerror OF((DWORD error));
 +char ZLIB_INTERNAL *gz_strwinerror(DWORD error);
  #endif
  /* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t
@@ -214,6 +213,6 @@ char ZLIB_INTERNAL *gz_strwinerror OF((DWORD error));
  #ifdef INT_MAX
  #  define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > INT_MAX)
  #else
 -unsigned ZLIB_INTERNAL gz_intmax OF((void));
 +unsigned ZLIB_INTERNAL gz_intmax(void);
  #  define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > gz_intmax())
  #endif

src/gzip/inffast.c

@@ -47,10 +47,7 @@
        requires strm->avail_out >= 258 for each loop to avoid checking for
        output space.
   */
 -void ZLIB_INTERNAL inflate_fast(
 -    z_streamp strm,
 -    unsigned start)
 -{
 +void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start) {
      struct inflate_state FAR *state;
      z_const unsigned char FAR *in;      /* local strm->next_in */
      z_const unsigned char FAR *last;    /* have enough input while in < last */

src/gzip/inffast.h

@@ -8,4 +8,4 @@
     subject to change. Applications should only use zlib.h.
   */
 -static void ZLIB_INTERNAL inflate_fast OF((z_streamp strm, unsigned start));
 +static void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start);

src/gzip/inflate.c

@@ -91,22 +91,7 @@
  #  endif
  #endif
 -/* function prototypes */
 -local int inflateStateCheck OF((z_streamp strm));
 -local void fixedtables OF((struct inflate_state FAR *state));
 -local int updatewindow OF((z_streamp strm, const unsigned char FAR *end,
 -                           unsigned copy));
 -#ifdef BUILDFIXED
 -   void makefixed OF((void));
 -#endif
 -#ifndef Z_FREETYPE
 -local unsigned syncsearch OF((unsigned FAR *have, const unsigned char FAR *buf,
 -                              unsigned len));
 -#endif
+-
 -local int inflateStateCheck(
 -    z_streamp strm)
 -{
 +local int inflateStateCheck(z_streamp strm) {
      struct inflate_state FAR *state;
      if (strm == Z_NULL ||
          strm->zalloc == (alloc_func)0 || strm->zfree == (free_func)0)
@@ -118,9 +103,7 @@ local int inflateStateCheck(
      return 0;
+ }
 -int ZEXPORT inflateResetKeep(
 -    z_streamp strm)
 -{
 +int ZEXPORT inflateResetKeep(z_streamp strm) {
      struct inflate_state FAR *state;
      if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
@@ -144,9 +127,7 @@ int ZEXPORT inflateResetKeep(
      return Z_OK;
+ }
 -int ZEXPORT inflateReset(
 -    z_streamp strm)
 -{
 +int ZEXPORT inflateReset(z_streamp strm) {
      struct inflate_state FAR *state;
      if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
@@ -157,10 +138,7 @@ int ZEXPORT inflateReset(
      return inflateResetKeep(strm);
+ }
 -int ZEXPORT inflateReset2(
 -    z_streamp strm,
 -    int windowBits)
 -{
 +int ZEXPORT inflateReset2(z_streamp strm, int windowBits) {
      int wrap;
      struct inflate_state FAR *state;
@@ -197,12 +175,8 @@ int ZEXPORT inflateReset2(
      return inflateReset(strm);
+ }
 -int ZEXPORT inflateInit2_(
 -    z_streamp strm,
 -    int windowBits,
 -    const char *version,
 -    int stream_size)
 -{
 +int ZEXPORT inflateInit2_(z_streamp strm, int windowBits,
 +                          const char *version, int stream_size) {
      int ret;
      struct inflate_state FAR *state;
@@ -243,22 +217,17 @@ int ZEXPORT inflateInit2_(
  #ifndef Z_FREETYPE
 -int ZEXPORT inflateInit_(
 -    z_streamp strm,
 -    const char *version,
 -    int stream_size)
 -{
 +int ZEXPORT inflateInit_(z_streamp strm, const char *version,
 +                         int stream_size) {
      return inflateInit2_(strm, DEF_WBITS, version, stream_size);
+ }
 -int ZEXPORT inflatePrime(
 -    z_streamp strm,
 -    int bits,
 -    int value)
 -{
 +int ZEXPORT inflatePrime(z_streamp strm, int bits, int value) {
      struct inflate_state FAR *state;
      if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
 +    if (bits == 0)
 +        return Z_OK;
      state = (struct inflate_state FAR *)strm->state;
      if (bits < 0) {
          state->hold = 0;
@@ -284,9 +253,7 @@ int ZEXPORT inflatePrime(
     used for threaded applications, since the rewriting of the tables and virgin
     may not be thread-safe.
   */
 -local void fixedtables(
 -    struct inflate_state FAR *state)
 -{
 +local void fixedtables(struct inflate_state FAR *state) {
  #ifdef BUILDFIXED
      static int virgin = 1;
      static code *lenfix, *distfix;
@@ -348,7 +315,7 @@ local void fixedtables(
      a.out > inffixed.h
   */
 -void makefixed()
 +void makefixed(void)
+ {
      unsigned low, size;
      struct inflate_state state;
@@ -402,11 +369,7 @@ void makefixed()
     output will fall in the output data, making match copies simpler and faster.
     The advantage may be dependent on the size of the processor's data caches.
   */
 -local int updatewindow(
 -    z_streamp strm,
 -    const Bytef *end,
 -    unsigned copy)
 -{
 +local int updatewindow(z_streamp strm, const Bytef *end, unsigned copy) {
      struct inflate_state FAR *state;
      unsigned dist;
@@ -628,10 +591,7 @@ local int updatewindow(
     will return Z_BUF_ERROR if it has not reached the end of the stream.
   */
 -int ZEXPORT inflate(
 -    z_streamp strm,
 -    int flush)
 -{
 +int ZEXPORT inflate(z_streamp strm, int flush) {
      struct inflate_state FAR *state;
      z_const unsigned char FAR *next;    /* next input */
      unsigned char FAR *put;     /* next output */
@@ -1307,9 +1267,7 @@ int ZEXPORT inflate(
      return ret;
+ }
 -int ZEXPORT inflateEnd(
 -    z_streamp strm)
 -{
 +int ZEXPORT inflateEnd(z_streamp strm) {
      struct inflate_state FAR *state;
      if (inflateStateCheck(strm))
          return Z_STREAM_ERROR;
@@ -1323,11 +1281,8 @@ int ZEXPORT inflateEnd(
  #ifndef Z_FREETYPE
 -int ZEXPORT inflateGetDictionary(
 -    z_streamp strm,
 -    Bytef *dictionary,
 -    uInt *dictLength)
 -{
 +int ZEXPORT inflateGetDictionary(z_streamp strm, Bytef *dictionary,
 +                                 uInt *dictLength) {
      struct inflate_state FAR *state;
      /* check state */
@@ -1346,11 +1301,8 @@ int ZEXPORT inflateGetDictionary(
      return Z_OK;
+ }
 -int ZEXPORT inflateSetDictionary(
 -    z_streamp strm,
 -    const Bytef *dictionary,
 -    uInt dictLength)
 -{
 +int ZEXPORT inflateSetDictionary(z_streamp strm, const Bytef *dictionary,
 +                                 uInt dictLength) {
      struct inflate_state FAR *state;
      unsigned long dictid;
      int ret;
@@ -1381,10 +1333,7 @@ int ZEXPORT inflateSetDictionary(
      return Z_OK;
+ }
 -int ZEXPORT inflateGetHeader(
 -    z_streamp strm,
 -    gz_headerp head)
 -{
 +int ZEXPORT inflateGetHeader(z_streamp strm, gz_headerp head) {
      struct inflate_state FAR *state;
      /* check state */
@@ -1409,11 +1358,8 @@ int ZEXPORT inflateGetHeader(
     called again with more data and the *have state.  *have is initialized to
     zero for the first call.
   */
 -local unsigned syncsearch(
 -    unsigned FAR *have,
 -    const unsigned char FAR *buf,
 -    unsigned len)
 -{
 +local unsigned syncsearch(unsigned FAR *have, const unsigned char FAR *buf,
 +                          unsigned len) {
      unsigned got;
      unsigned next;
@@ -1432,9 +1378,7 @@ local unsigned syncsearch(
      return next;
+ }
 -int ZEXPORT inflateSync(
 -    z_streamp strm)
 -{
 +int ZEXPORT inflateSync(z_streamp strm) {
      unsigned len;               /* number of bytes to look at or looked at */
      int flags;                  /* temporary to save header status */
      unsigned long in, out;      /* temporary to save total_in and total_out */
@@ -1490,9 +1434,7 @@ int ZEXPORT inflateSync(
     block. When decompressing, PPP checks that at the end of input packet,
     inflate is waiting for these length bytes.
   */
 -int ZEXPORT inflateSyncPoint(
 -    z_streamp strm)
 -{
 +int ZEXPORT inflateSyncPoint(z_streamp strm) {
      struct inflate_state FAR *state;
      if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
@@ -1500,10 +1442,7 @@ int ZEXPORT inflateSyncPoint(
      return state->mode == STORED && state->bits == 0;
+ }
 -int ZEXPORT inflateCopy(
 -    z_streamp dest,
 -    z_streamp source)
 -{
 +int ZEXPORT inflateCopy(z_streamp dest, z_streamp source) {
      struct inflate_state FAR *state;
      struct inflate_state FAR *copy;
      unsigned char FAR *window;
@@ -1547,10 +1486,7 @@ int ZEXPORT inflateCopy(
      return Z_OK;
+ }
 -int ZEXPORT inflateUndermine(
 -    z_streamp strm,
 -    int subvert)
 -{
 +int ZEXPORT inflateUndermine(z_streamp strm, int subvert) {
      struct inflate_state FAR *state;
      if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
@@ -1565,10 +1501,7 @@ int ZEXPORT inflateUndermine(
  #endif
+ }
 -int ZEXPORT inflateValidate(
 -    z_streamp strm,
 -    int check)
 -{
 +int ZEXPORT inflateValidate(z_streamp strm, int check) {
      struct inflate_state FAR *state;
      if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
@@ -1580,9 +1513,7 @@ int ZEXPORT inflateValidate(
      return Z_OK;
+ }
 -long ZEXPORT inflateMark(
 -    z_streamp strm)
 -{
 +long ZEXPORT inflateMark(z_streamp strm) {
      struct inflate_state FAR *state;
      if (inflateStateCheck(strm))
@@ -1593,9 +1524,7 @@ long ZEXPORT inflateMark(
              (state->mode == MATCH ? state->was - state->length : 0));
+ }
 -unsigned long ZEXPORT inflateCodesUsed(
 -    z_streamp strm)
 -{
 +unsigned long ZEXPORT inflateCodesUsed(z_streamp strm) {
      struct inflate_state FAR *state;
      if (inflateStateCheck(strm)) return (unsigned long)-1;
      state = (struct inflate_state FAR *)strm->state;

src/gzip/inflate.h

@@ -128,4 +128,4 @@ struct inflate_state {
      unsigned was;               /* initial length of match */
  };
 -#endif  /* INFLATE_H */
 +#endif  /* !INFLATE_H */

src/gzip/inftrees.c

  /* inftrees.c -- generate Huffman trees for efficient decoding
 - * Copyright (C) 1995-2022 Mark Adler
 + * Copyright (C) 1995-2023 Mark Adler
   * For conditions of distribution and use, see copyright notice in zlib.h
   */
@@ -9,7 +9,7 @@
  #define MAXBITS 15
  static const char inflate_copyright[] =
 -   " inflate 1.2.13 Copyright 1995-2022 Mark Adler ";
 +   " inflate 1.3 Copyright 1995-2023 Mark Adler ";
  /*
    If you use the zlib library in a product, an acknowledgment is welcome
    in the documentation of your product. If for some reason you cannot
@@ -29,14 +29,9 @@ static const char inflate_copyright[] =
     table index bits.  It will differ if the request is greater than the
     longest code or if it is less than the shortest code.
   */
 -int ZLIB_INTERNAL inflate_table(
 -    codetype type,
 -    unsigned short FAR *lens,
 -    unsigned codes,
 -    code FAR * FAR *table,
 -    unsigned FAR *bits,
 -    unsigned short FAR *work)
 -{
 +int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
 +                                unsigned codes, code FAR * FAR *table,
 +                                unsigned FAR *bits, unsigned short FAR *work) {
      unsigned len;               /* a code's length in bits */
      unsigned sym;               /* index of code symbols */
      unsigned min, max;          /* minimum and maximum code lengths */
@@ -62,7 +57,7 @@ int ZLIB_INTERNAL inflate_table(
 , 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
      static const unsigned short lext[31] = { /* Length codes 257..285 extra */
 , 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
 -        19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 194, 65};
 +        19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 198, 203};
      static const unsigned short dbase[32] = { /* Distance codes 0..29 base */
 , 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
 , 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,

src/gzip/inftrees.h

@@ -60,8 +60,8 @@ typedef enum {
      DISTS
  } codetype;
 -static int ZLIB_INTERNAL inflate_table OF((codetype type, unsigned short FAR *lens,
 -                             unsigned codes, code FAR * FAR *table,
 -                             unsigned FAR *bits, unsigned short FAR *work));
 +static int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
 +                                unsigned codes, code FAR * FAR *table,
 +                                unsigned FAR *bits, unsigned short FAR *work);
 -#endif  /* INFTREES_H_ */
 +#endif  /* !INFTREES_H */

src/gzip/patches/freetype-zlib.diff

@@ -30,88 +30,84 @@ prevent compiler errors.
  (inflate_table): Declare as static.
  diff --git b/src/gzip/adler32.c a/src/gzip/adler32.c
 -index be5e8a247..aa032e1dd 100644
 +index 04b81d29b..260185b67 100644
  --- b/src/gzip/adler32.c
  +++ a/src/gzip/adler32.c
 -@@ -7,7 +7,9 @@
+-
 - #include "zutil.h"
+-
 -+#ifndef Z_FREETYPE
 - local uLong adler32_combine_ OF((uLong adler1, uLong adler2, z_off64_t len2));
 -+#endif
+-
 - #define BASE 65521U     /* largest prime smaller than 65536 */
 - #define NMAX 5552
 -@@ -139,6 +141,8 @@ uLong ZEXPORT adler32(
 +@@ -129,6 +129,8 @@ uLong ZEXPORT adler32(uLong adler, const Bytef *buf, uInt len) {
       return adler32_z(adler, buf, len);
+  }
  +#ifndef Z_FREETYPE
+ +
   /* ========================================================================= */
 - local uLong adler32_combine_(
 -     uLong adler1,
 -@@ -184,3 +188,5 @@ uLong ZEXPORT adler32_combine64(
 - {
 + local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2) {
 +     unsigned long sum1;
 +@@ -162,3 +164,5 @@ uLong ZEXPORT adler32_combine(uLong adler1, uLong adler2, z_off_t len2) {
 + uLong ZEXPORT adler32_combine64(uLong adler1, uLong adler2, z_off64_t len2) {
       return adler32_combine_(adler1, adler2, len2);
+  }
+ +
  +#endif  /* !Z_FREETYPE */
  diff --git b/src/gzip/crc32.c a/src/gzip/crc32.c
 -index 3a52aa89d..6cd1b09d5 100644
 +index 6c38f5c04..27487dcc2 100644
  --- b/src/gzip/crc32.c
  +++ a/src/gzip/crc32.c
 -@@ -103,9 +103,11 @@
 - #  define ARMCRC32
 - #endif
+-
 -+#ifndef Z_FREETYPE
 - /* Local functions. */
 - local z_crc_t multmodp OF((z_crc_t a, z_crc_t b));
 - local z_crc_t x2nmodp OF((z_off64_t n, unsigned k));
 -+#endif  /* Z_FREETYPE */
+-
 - #if defined(W) && (!defined(ARMCRC32) || defined(DYNAMIC_CRC_TABLE))
 -     local z_word_t byte_swap OF((z_word_t word));
 -@@ -544,6 +546,8 @@ local void braid(ltl, big, n, w)
 -  * generation above.
 -  */
 +@@ -148,6 +148,8 @@ local z_word_t byte_swap(z_word_t word) {
 + /* CRC polynomial. */
 + #define POLY 0xedb88320         /* p(x) reflected, with x^32 implied */
  +#ifndef Z_FREETYPE
+ +
   /*
     Return a(x) multiplied by b(x) modulo p(x), where p(x) is the CRC polynomial,
     reflected. For speed, this requires that a not be zero.
 -@@ -600,6 +604,8 @@ const z_crc_t FAR * ZEXPORT get_crc_table()
 +@@ -186,6 +188,8 @@ local z_crc_t x2nmodp(z_off64_t n, unsigned k) {
 +     return p;
 + }
++
 ++#endif  /* !Z_FREETYPE */
 ++
 + #ifdef DYNAMIC_CRC_TABLE
 + /* =========================================================================
 +  * Build the tables for byte-wise and braided CRC-32 calculations, and a table
 +@@ -542,6 +546,8 @@ local void braid(z_crc_t ltl[][256], z_word_t big[][256], int n, int w) {
++
 + #endif /* DYNAMIC_CRC_TABLE */
++
 ++#ifndef Z_FREETYPE
 ++
 + /* =========================================================================
 +  * This function can be used by asm versions of crc32(), and to force the
 +  * generation of the CRC tables in a threaded application.
 +@@ -553,6 +559,8 @@ const z_crc_t FAR * ZEXPORT get_crc_table(void) {
       return (const z_crc_t FAR *)crc_table;
+  }
 -+#endif  /* Z_FREETYPE */
 ++#endif   /* !Z_FREETYPE */
+ +
   /* =========================================================================
    * Use ARM machine instructions if available. This will compute the CRC about
    * ten times faster than the braided calculation. This code does not check for
 -@@ -1077,6 +1083,8 @@ unsigned long ZEXPORT crc32(
 +@@ -1017,6 +1025,8 @@ unsigned long ZEXPORT crc32(unsigned long crc, const unsigned char FAR *buf,
       return crc32_z(crc, buf, len);
+  }
  +#ifndef Z_FREETYPE
+ +
   /* ========================================================================= */
 - uLong ZEXPORT crc32_combine64(
 -     uLong crc1,
 -@@ -1123,3 +1131,5 @@ uLong ZEXPORT crc32_combine_op(
 - {
 + uLong ZEXPORT crc32_combine64(uLong crc1, uLong crc2, z_off64_t len2) {
 + #ifdef DYNAMIC_CRC_TABLE
 +@@ -1047,3 +1057,5 @@ uLong ZEXPORT crc32_combine_gen(z_off_t len2) {
 + uLong ZEXPORT crc32_combine_op(uLong crc1, uLong crc2, uLong op) {
       return multmodp(op, crc1) ^ (crc2 & 0xffffffff);
+  }
+ +
 -+#endif  /* Z_FREETYPE */
 ++#endif  /* !Z_FREETYPE */
  diff --git b/src/gzip/gzguts.h a/src/gzip/gzguts.h
 -index 57faf3716..4f09a52a7 100644
 +index f9375047e..f9a250b85 100644
  --- b/src/gzip/gzguts.h
  +++ a/src/gzip/gzguts.h
 -@@ -163,7 +163,7 @@
 +@@ -162,7 +162,7 @@
   /* values for gz_state how */
   #define LOOK 0      /* look for a gzip header */
@@ -121,40 +117,29 @@ index 57faf3716..4f09a52a7 100644
   /* internal gzip file state data structure */
  diff --git b/src/gzip/inffast.h a/src/gzip/inffast.h
 -index e5c1aa4ca..684ae878c 100644
 +index 49c6d156c..a38c5be45 100644
  --- b/src/gzip/inffast.h
  +++ a/src/gzip/inffast.h
@@ -8,4 +8,4 @@
      subject to change. Applications should only use zlib.h.
    */
 --void ZLIB_INTERNAL inflate_fast OF((z_streamp strm, unsigned start));
 -+static void ZLIB_INTERNAL inflate_fast OF((z_streamp strm, unsigned start));
 +-void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start);
 ++static void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start);
  diff --git b/src/gzip/inflate.c a/src/gzip/inflate.c
 -index c9e566b03..5117e2e26 100644
 +index b0757a9b2..f7ed5d181 100644
  --- b/src/gzip/inflate.c
  +++ a/src/gzip/inflate.c
 -@@ -99,8 +99,10 @@ local int updatewindow OF((z_streamp strm, const unsigned char FAR *end,
 - #ifdef BUILDFIXED
 -    void makefixed OF((void));
 - #endif
 -+#ifndef Z_FREETYPE
 - local unsigned syncsearch OF((unsigned FAR *have, const unsigned char FAR *buf,
 -                               unsigned len));
 -+#endif
+-
 - local int inflateStateCheck(
 -     z_streamp strm)
 -@@ -239,6 +241,8 @@ int ZEXPORT inflateInit2_(
 +@@ -215,6 +215,8 @@ int ZEXPORT inflateInit2_(z_streamp strm, int windowBits,
       return ret;
+  }
  +#ifndef Z_FREETYPE
+ +
 - int ZEXPORT inflateInit_(
 -     z_streamp strm,
 -     const char *version,
 -@@ -268,6 +272,8 @@ int ZEXPORT inflatePrime(
 + int ZEXPORT inflateInit_(z_streamp strm, const char *version,
 +                          int stream_size) {
 +     return inflateInit2_(strm, DEF_WBITS, version, stream_size);
 +@@ -239,6 +241,8 @@ int ZEXPORT inflatePrime(z_streamp strm, int bits, int value) {
       return Z_OK;
+  }
@@ -163,23 +148,23 @@ index c9e566b03..5117e2e26 100644
   /*
      Return state with length and distance decoding tables and index sizes set to
      fixed code decoding.  Normally this returns fixed tables from inffixed.h.
 -@@ -1315,6 +1321,8 @@ int ZEXPORT inflateEnd(
 +@@ -1275,6 +1279,8 @@ int ZEXPORT inflateEnd(z_streamp strm) {
       return Z_OK;
+  }
  +#ifndef Z_FREETYPE
+ +
 - int ZEXPORT inflateGetDictionary(
 -     z_streamp strm,
 -     Bytef *dictionary,
 -@@ -1593,3 +1601,5 @@ unsigned long ZEXPORT inflateCodesUsed(
 + int ZEXPORT inflateGetDictionary(z_streamp strm, Bytef *dictionary,
 +                                  uInt *dictLength) {
 +     struct inflate_state FAR *state;
 +@@ -1524,3 +1530,5 @@ unsigned long ZEXPORT inflateCodesUsed(z_streamp strm) {
       state = (struct inflate_state FAR *)strm->state;
       return (unsigned long)(state->next - state->codes);
+  }
+ +
  +#endif  /* !Z_FREETYPE */
  diff --git b/src/gzip/inflate.h a/src/gzip/inflate.h
 -index f127b6b1f..c6f5a52e1 100644
 +index f127b6b1f..8a0e437ae 100644
  --- b/src/gzip/inflate.h
  +++ a/src/gzip/inflate.h
@@ -3,6 +3,9 @@
@@ -197,9 +182,9 @@ index f127b6b1f..c6f5a52e1 100644
       unsigned was;               /* initial length of match */
   };
+ +
 -+#endif  /* INFLATE_H */
 ++#endif  /* !INFLATE_H */
  diff --git b/src/gzip/inftrees.c a/src/gzip/inftrees.c
 -index d8405a24c..dd4965e9a 100644
 +index 8a208c2da..1fd655593 100644
  --- b/src/gzip/inftrees.c
  +++ a/src/gzip/inftrees.c
@@ -8,7 +8,7 @@
@@ -208,11 +193,11 @@ index d8405a24c..dd4965e9a 100644
  -const char inflate_copyright[] =
  +static const char inflate_copyright[] =
 -    " inflate 1.2.13 Copyright 1995-2022 Mark Adler ";
 +    " inflate 1.3 Copyright 1995-2023 Mark Adler ";
   /*
     If you use the zlib library in a product, an acknowledgment is welcome
  diff --git b/src/gzip/inftrees.h a/src/gzip/inftrees.h
 -index f53665311..a2207efb1 100644
 +index a10712d8c..47f726c36 100644
  --- b/src/gzip/inftrees.h
  +++ a/src/gzip/inftrees.h
@@ -3,6 +3,9 @@
@@ -229,14 +214,14 @@ index f53665311..a2207efb1 100644
       DISTS
   } codetype;
 --int ZLIB_INTERNAL inflate_table OF((codetype type, unsigned short FAR *lens,
 -+static int ZLIB_INTERNAL inflate_table OF((codetype type, unsigned short FAR *lens,
 -                              unsigned codes, code FAR * FAR *table,
 -                              unsigned FAR *bits, unsigned short FAR *work));
 +-int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
 ++static int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
 +                                 unsigned codes, code FAR * FAR *table,
 +                                 unsigned FAR *bits, unsigned short FAR *work);
+ +
 -+#endif  /* INFTREES_H_ */
 ++#endif  /* !INFTREES_H */
  diff --git b/src/gzip/zlib.h a/src/gzip/zlib.h
 -index 953cb5012..3f2f76e3c 100644
 +index 6b7244f99..5c7a884c9 100644
  --- b/src/gzip/zlib.h
  +++ a/src/gzip/zlib.h
@@ -31,7 +31,7 @@
@@ -257,60 +242,60 @@ index 953cb5012..3f2f76e3c 100644
   #define zlib_version zlibVersion()
   /* for compatibility with versions < 1.0.2 */
 -@@ -373,6 +375,7 @@ ZEXTERN int ZEXPORT deflateEnd OF((z_streamp strm));
 +@@ -373,6 +375,7 @@ ZEXTERN int ZEXPORT deflateEnd(z_streamp strm);
      deallocated).
   */
  +#endif  /* !Z_FREETYPE */
   /*
 - ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm));
 -@@ -534,6 +537,8 @@ ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm));
 + ZEXTERN int ZEXPORT inflateInit(z_streamp strm);
 +@@ -535,6 +538,8 @@ ZEXTERN int ZEXPORT inflateEnd(z_streamp strm);
       The following functions are needed only in some special applications.
   */
  +#ifndef Z_FREETYPE
+ +
   /*
 - ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm,
 -                                      int  level,
 -@@ -956,6 +961,8 @@ ZEXTERN int ZEXPORT inflateCopy OF((z_streamp dest,
 + ZEXTERN int ZEXPORT deflateInit2(z_streamp strm,
 +                                  int level,
 +@@ -958,6 +963,8 @@ ZEXTERN int ZEXPORT inflateCopy(z_streamp dest,
      destination.
   */
  +#endif  /* !Z_FREETYPE */
+ +
 - ZEXTERN int ZEXPORT inflateReset OF((z_streamp strm));
 + ZEXTERN int ZEXPORT inflateReset(z_streamp strm);
   /*
        This function is equivalent to inflateEnd followed by inflateInit,
 -@@ -980,6 +987,8 @@ ZEXTERN int ZEXPORT inflateReset2 OF((z_streamp strm,
 +@@ -983,6 +990,8 @@ ZEXTERN int ZEXPORT inflateReset2(z_streamp strm,
      the windowBits parameter is invalid.
   */
  +#ifndef Z_FREETYPE
+ +
 - ZEXTERN int ZEXPORT inflatePrime OF((z_streamp strm,
 -                                      int bits,
 -                                      int value));
 -@@ -1069,6 +1078,8 @@ ZEXTERN int ZEXPORT inflateGetHeader OF((z_streamp strm,
 + ZEXTERN int ZEXPORT inflatePrime(z_streamp strm,
 +                                  int bits,
 +                                  int value);
 +@@ -1072,6 +1081,8 @@ ZEXTERN int ZEXPORT inflateGetHeader(z_streamp strm,
      stream state was inconsistent.
   */
  +#endif  /* !Z_FREETYPE */
+ +
   /*
 - ZEXTERN int ZEXPORT inflateBackInit OF((z_streamp strm, int windowBits,
 -                                         unsigned char FAR *window));
 -@@ -1095,6 +1106,8 @@ typedef unsigned (*in_func) OF((void FAR *,
 -                                 z_const unsigned char FAR * FAR *));
 - typedef int (*out_func) OF((void FAR *, unsigned char FAR *, unsigned));
 + ZEXTERN int ZEXPORT inflateBackInit(z_streamp strm, int windowBits,
 +                                     unsigned char FAR *window);
 +@@ -1098,6 +1109,8 @@ typedef unsigned (*in_func)(void FAR *,
 +                             z_const unsigned char FAR * FAR *);
 + typedef int (*out_func)(void FAR *, unsigned char FAR *, unsigned);
  +#ifndef Z_FREETYPE
+ +
 - ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm,
 -                                     in_func in, void FAR *in_desc,
 -                                     out_func out, void FAR *out_desc));
 -@@ -1214,6 +1227,8 @@ ZEXTERN uLong ZEXPORT zlibCompileFlags OF((void));
 + ZEXTERN int ZEXPORT inflateBack(z_streamp strm,
 +                                 in_func in, void FAR *in_desc,
 +                                 out_func out, void FAR *out_desc);
 +@@ -1217,6 +1230,8 @@ ZEXTERN uLong ZEXPORT zlibCompileFlags(void);
 -31: 0 (reserved)
    */
@@ -319,63 +304,61 @@ index 953cb5012..3f2f76e3c 100644
   #ifndef Z_SOLO
                           /* utility functions */
 -@@ -1765,6 +1780,8 @@ ZEXTERN uLong ZEXPORT crc32_combine_gen OF((z_off_t len2));
 +@@ -1768,6 +1783,8 @@ ZEXTERN uLong ZEXPORT crc32_combine_gen(z_off_t len2);
      crc32_combine_op().
   */
  +#ifndef Z_FREETYPE
+ +
 - ZEXTERN uLong ZEXPORT crc32_combine_op OF((uLong crc1, uLong crc2, uLong op));
 + ZEXTERN uLong ZEXPORT crc32_combine_op(uLong crc1, uLong crc2, uLong op);
   /*
        Give the same result as crc32_combine(), using op in place of len2. op is
 -@@ -1822,6 +1839,19 @@ ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits,
 +@@ -1825,6 +1842,17 @@ ZEXTERN int ZEXPORT inflateBackInit_(z_streamp strm, int windowBits,
                              ZLIB_VERSION, (int)sizeof(z_stream))
   #endif
  +#else  /* Z_FREETYPE */
+ +
 -+
 -+ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int  windowBits,
 -+                                      const char *version, int stream_size));
 ++ZEXTERN int ZEXPORT inflateInit2_(z_streamp strm, int  windowBits,
 ++                                  const char *version, int stream_size);
+ +
  +#  define inflateInit2(strm, windowBits) \
  +          inflateInit2_((strm), (windowBits), ZLIB_VERSION, \
  +                        (int)sizeof(z_stream))
+ +
  +#endif  /* Z_FREETYPE */
 -+
+ +
   #ifndef Z_SOLO
   /* gzgetc() macro and its supporting function and exposed data structure.  Note
 -@@ -1901,20 +1931,25 @@ ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file));  /* backward compatibility */
 +@@ -1904,20 +1932,25 @@ ZEXTERN int ZEXPORT gzgetc_(gzFile file);       /* backward compatibility */
   #else /* Z_SOLO */
  +#ifndef Z_FREETYPE
 -    ZEXTERN uLong ZEXPORT adler32_combine OF((uLong, uLong, z_off_t));
 -    ZEXTERN uLong ZEXPORT crc32_combine OF((uLong, uLong, z_off_t));
 -    ZEXTERN uLong ZEXPORT crc32_combine_gen OF((z_off_t));
 +    ZEXTERN uLong ZEXPORT adler32_combine(uLong, uLong, z_off_t);
 +    ZEXTERN uLong ZEXPORT crc32_combine(uLong, uLong, z_off_t);
 +    ZEXTERN uLong ZEXPORT crc32_combine_gen(z_off_t);
  +#endif
   #endif /* !Z_SOLO */
   /* undocumented functions */
  +#ifndef Z_FREETYPE
 - ZEXTERN const char   * ZEXPORT zError           OF((int));
 - ZEXTERN int            ZEXPORT inflateSyncPoint OF((z_streamp));
 - ZEXTERN const z_crc_t FAR * ZEXPORT get_crc_table    OF((void));
 - ZEXTERN int            ZEXPORT inflateUndermine OF((z_streamp, int));
 - ZEXTERN int            ZEXPORT inflateValidate OF((z_streamp, int));
 - ZEXTERN unsigned long  ZEXPORT inflateCodesUsed OF((z_streamp));
 + ZEXTERN const char   * ZEXPORT zError(int);
 + ZEXTERN int            ZEXPORT inflateSyncPoint(z_streamp);
 + ZEXTERN const z_crc_t FAR * ZEXPORT get_crc_table(void);
 + ZEXTERN int            ZEXPORT inflateUndermine(z_streamp, int);
 + ZEXTERN int            ZEXPORT inflateValidate(z_streamp, int);
 + ZEXTERN unsigned long  ZEXPORT inflateCodesUsed(z_streamp);
  +#endif  /* !Z_FREETYPE */
 - ZEXTERN int            ZEXPORT inflateResetKeep OF((z_streamp));
 + ZEXTERN int            ZEXPORT inflateResetKeep(z_streamp);
  +#ifndef Z_FREETYPE
 - ZEXTERN int            ZEXPORT deflateResetKeep OF((z_streamp));
 + ZEXTERN int            ZEXPORT deflateResetKeep(z_streamp);
   #if defined(_WIN32) && !defined(Z_SOLO)
 - ZEXTERN gzFile         ZEXPORT gzopen_w OF((const wchar_t *path,
 -@@ -1927,6 +1962,7 @@ ZEXTERN int            ZEXPORTVA gzvprintf Z_ARG((gzFile file,
 -                                                   va_list va));
 + ZEXTERN gzFile         ZEXPORT gzopen_w(const wchar_t *path,
 +@@ -1930,6 +1963,7 @@ ZEXTERN int            ZEXPORTVA gzvprintf(gzFile file,
 +                                            va_list va);
   #  endif
   #endif
  +#endif  /* !Z_FREETYPE */
@@ -383,7 +366,7 @@ index 953cb5012..3f2f76e3c 100644
   #ifdef __cplusplus
+  }
  diff --git b/src/gzip/zutil.c a/src/gzip/zutil.c
 -index ef174ca64..542706ca0 100644
 +index b1c5d2d3c..f76def425 100644
  --- b/src/gzip/zutil.c
  +++ a/src/gzip/zutil.c
@@ -10,6 +10,8 @@
@@ -395,7 +378,7 @@ index ef174ca64..542706ca0 100644
   z_const char * const z_errmsg[10] = {
       (z_const char *)"need dictionary",     /* Z_NEED_DICT       2  */
       (z_const char *)"stream end",          /* Z_STREAM_END      1  */
 -@@ -138,6 +140,8 @@ const char * ZEXPORT zError(
 +@@ -132,6 +134,8 @@ const char * ZEXPORT zError(int err) {
       return ERR_MSG(err);
+  }
@@ -404,16 +387,15 @@ index ef174ca64..542706ca0 100644
   #if defined(_WIN32_WCE) && _WIN32_WCE < 0x800
       /* The older Microsoft C Run-Time Library for Windows CE doesn't have
        * errno.  We define it as a global variable to simplify porting.
 -@@ -159,6 +163,8 @@ void ZLIB_INTERNAL zmemcpy(
 +@@ -149,6 +153,7 @@ void ZLIB_INTERNAL zmemcpy(Bytef* dest, const Bytef* source, uInt len) {
       } while (--len != 0);
+  }
  +#ifndef Z_FREETYPE
 -+
 - int ZLIB_INTERNAL zmemcmp(
 -     const Bytef* s1,
 -     const Bytef* s2,
 -@@ -181,6 +187,7 @@ void ZLIB_INTERNAL zmemzero(
 + int ZLIB_INTERNAL zmemcmp(const Bytef* s1, const Bytef* s2, uInt len) {
 +     uInt j;
++
 +@@ -164,6 +169,7 @@ void ZLIB_INTERNAL zmemzero(Bytef* dest, uInt len) {
           *dest++ = 0;  /* ??? to be unrolled */
       } while (--len != 0);
+  }
@@ -422,7 +404,7 @@ index ef174ca64..542706ca0 100644
   #ifndef Z_SOLO
  diff --git b/src/gzip/zutil.h a/src/gzip/zutil.h
 -index 0bc7f4ecd..055ba8b62 100644
 +index 902a304cc..a2c046a1f 100644
  --- b/src/gzip/zutil.h
  +++ a/src/gzip/zutil.h
@@ -53,8 +53,10 @@ typedef unsigned long  ulg;
@@ -432,7 +414,7 @@ index 0bc7f4ecd..055ba8b62 100644
  +#ifndef Z_FREETYPE
   extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
   /* (size given to avoid silly warnings with Visual C++) */
 -+#endif  /* !Z_FREETYPE */
 ++#endif
   #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
@@ -446,7 +428,7 @@ index 0bc7f4ecd..055ba8b62 100644
   #if !defined(_WIN32) && \
       (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
@@ -196,6 +200,8 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
 -     ZEXTERN uLong ZEXPORT crc32_combine_gen64 OF((z_off_t));
 +     ZEXTERN uLong ZEXPORT crc32_combine_gen64(z_off_t);
   #endif
  +#endif  /* !Z_FREETYPE */
@@ -466,4 +448,4 @@ index 0bc7f4ecd..055ba8b62 100644
  +#    define zmemzero(dest, len) ft_memset(dest, 0, len)
   #  endif
   #else
 -    void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
 +    void ZLIB_INTERNAL zmemcpy(Bytef* dest, const Bytef* source, uInt len);

src/gzip/zlib.h

  /* zlib.h -- interface of the 'zlib' general purpose compression library
 -  version 1.2.13, October 13th, 2022
 +  version 1.3, August 18th, 2023
 -  Copyright (C) 1995-2022 Jean-loup Gailly and Mark Adler
 +  Copyright (C) 1995-2023 Jean-loup Gailly and Mark Adler
    This software is provided 'as-is', without any express or implied
    warranty.  In no event will the authors be held liable for any damages
@@ -37,11 +37,11 @@
  extern "C" {
  #endif
 -#define ZLIB_VERSION "1.2.13"
 -#define ZLIB_VERNUM 0x12d0
 +#define ZLIB_VERSION "1.3"
 +#define ZLIB_VERNUM 0x1300
  #define ZLIB_VER_MAJOR 1
 -#define ZLIB_VER_MINOR 2
 -#define ZLIB_VER_REVISION 13
 +#define ZLIB_VER_MINOR 3
 +#define ZLIB_VER_REVISION 0
  #define ZLIB_VER_SUBREVISION 0
  /*
@@ -78,8 +78,8 @@ extern "C" {
    even in the case of corrupted input.
  */
 -typedef voidpf (*alloc_func) OF((voidpf opaque, uInt items, uInt size));
 -typedef void   (*free_func)  OF((voidpf opaque, voidpf address));
 +typedef voidpf (*alloc_func)(voidpf opaque, uInt items, uInt size);
 +typedef void   (*free_func)(voidpf opaque, voidpf address);
  struct internal_state;
@@ -219,7 +219,7 @@ typedef gz_header FAR *gz_headerp;
                          /* basic functions */
 -ZEXTERN const char * ZEXPORT zlibVersion OF((void));
 +ZEXTERN const char * ZEXPORT zlibVersion(void);
  /* The application can compare zlibVersion and ZLIB_VERSION for consistency.
     If the first character differs, the library code actually used is not
     compatible with the zlib.h header file used by the application.  This check
@@ -227,12 +227,12 @@ ZEXTERN const char * ZEXPORT zlibVersion OF((void));
   */
  /*
 -ZEXTERN int ZEXPORT deflateInit OF((z_streamp strm, int level));
 +ZEXTERN int ZEXPORT deflateInit(z_streamp strm, int level);
       Initializes the internal stream state for compression.  The fields
     zalloc, zfree and opaque must be initialized before by the caller.  If
     zalloc and zfree are set to Z_NULL, deflateInit updates them to use default
 -   allocation functions.
 +   allocation functions.  total_in, total_out, adler, and msg are initialized.
       The compression level must be Z_DEFAULT_COMPRESSION, or between 0 and 9:
 gives best speed, 9 gives best compression, 0 gives no compression at all
@@ -249,7 +249,7 @@ ZEXTERN int ZEXPORT deflateInit OF((z_streamp strm, int level));
  */
 -ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush));
 +ZEXTERN int ZEXPORT deflate(z_streamp strm, int flush);
  /*
      deflate compresses as much data as possible, and stops when the input
    buffer becomes empty or the output buffer becomes full.  It may introduce
@@ -322,8 +322,8 @@ ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush));
    with the same value of the flush parameter and more output space (updated
    avail_out), until the flush is complete (deflate returns with non-zero
    avail_out).  In the case of a Z_FULL_FLUSH or Z_SYNC_FLUSH, make sure that
 -  avail_out is greater than six to avoid repeated flush markers due to
 -  avail_out == 0 on return.
 +  avail_out is greater than six when the flush marker begins, in order to avoid
 +  repeated flush markers upon calling deflate() again when avail_out == 0.
      If the parameter flush is set to Z_FINISH, pending input is processed,
    pending output is flushed and deflate returns with Z_STREAM_END if there was
@@ -362,7 +362,7 @@ ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush));
  */
 -ZEXTERN int ZEXPORT deflateEnd OF((z_streamp strm));
 +ZEXTERN int ZEXPORT deflateEnd(z_streamp strm);
  /*
       All dynamically allocated data structures for this stream are freed.
     This function discards any unprocessed input and does not flush any pending
@@ -378,7 +378,7 @@ ZEXTERN int ZEXPORT deflateEnd OF((z_streamp strm));
  #endif  /* !Z_FREETYPE */
  /*
 -ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm));
 +ZEXTERN int ZEXPORT inflateInit(z_streamp strm);
       Initializes the internal stream state for decompression.  The fields
     next_in, avail_in, zalloc, zfree and opaque must be initialized before by
@@ -386,7 +386,8 @@ ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm));
     read or consumed.  The allocation of a sliding window will be deferred to
     the first call of inflate (if the decompression does not complete on the
     first call).  If zalloc and zfree are set to Z_NULL, inflateInit updates
 -   them to use default allocation functions.
 +   them to use default allocation functions.  total_in, total_out, adler, and
 +   msg are initialized.
       inflateInit returns Z_OK if success, Z_MEM_ERROR if there was not enough
     memory, Z_VERSION_ERROR if the zlib library version is incompatible with the
@@ -400,7 +401,7 @@ ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm));
  */
 -ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush));
 +ZEXTERN int ZEXPORT inflate(z_streamp strm, int flush);
  /*
      inflate decompresses as much data as possible, and stops when the input
    buffer becomes empty or the output buffer becomes full.  It may introduce
@@ -520,7 +521,7 @@ ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush));
  */
 -ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm));
 +ZEXTERN int ZEXPORT inflateEnd(z_streamp strm);
  /*
       All dynamically allocated data structures for this stream are freed.
     This function discards any unprocessed input and does not flush any pending
@@ -540,12 +541,12 @@ ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm));
  #ifndef Z_FREETYPE
  /*
 -ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm,
 -                                     int  level,
 -                                     int  method,
 -                                     int  windowBits,
 -                                     int  memLevel,
 -                                     int  strategy));
 +ZEXTERN int ZEXPORT deflateInit2(z_streamp strm,
 +                                 int level,
 +                                 int method,
 +                                 int windowBits,
 +                                 int memLevel,
 +                                 int strategy);
       This is another version of deflateInit with more compression options.  The
     fields zalloc, zfree and opaque must be initialized before by the caller.
@@ -612,9 +613,9 @@ ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm,
     compression: this will be done by deflate().
  */
 -ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm,
 -                                             const Bytef *dictionary,
 -                                             uInt  dictLength));
 +ZEXTERN int ZEXPORT deflateSetDictionary(z_streamp strm,
 +                                         const Bytef *dictionary,
 +                                         uInt  dictLength);
  /*
       Initializes the compression dictionary from the given byte sequence
     without producing any compressed output.  When using the zlib format, this
@@ -656,9 +657,9 @@ ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm,
     not perform any compression: this will be done by deflate().
  */
 -ZEXTERN int ZEXPORT deflateGetDictionary OF((z_streamp strm,
 -                                             Bytef *dictionary,
 -                                             uInt  *dictLength));
 +ZEXTERN int ZEXPORT deflateGetDictionary(z_streamp strm,
 +                                         Bytef *dictionary,
 +                                         uInt  *dictLength);
  /*
       Returns the sliding dictionary being maintained by deflate.  dictLength is
     set to the number of bytes in the dictionary, and that many bytes are copied
@@ -678,8 +679,8 @@ ZEXTERN int ZEXPORT deflateGetDictionary OF((z_streamp strm,
     stream state is inconsistent.
  */
 -ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest,
 -                                    z_streamp source));
 +ZEXTERN int ZEXPORT deflateCopy(z_streamp dest,
 +                                z_streamp source);
  /*
       Sets the destination stream as a complete copy of the source stream.
@@ -696,20 +697,20 @@ ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest,
     destination.
  */
 -ZEXTERN int ZEXPORT deflateReset OF((z_streamp strm));
 +ZEXTERN int ZEXPORT deflateReset(z_streamp strm);
  /*
       This function is equivalent to deflateEnd followed by deflateInit, but
     does not free and reallocate the internal compression state.  The stream
     will leave the compression level and any other attributes that may have been
 -   set unchanged.
 +   set unchanged.  total_in, total_out, adler, and msg are initialized.
       deflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source
     stream state was inconsistent (such as zalloc or state being Z_NULL).
  */
 -ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm,
 -                                      int level,
 -                                      int strategy));
 +ZEXTERN int ZEXPORT deflateParams(z_streamp strm,
 +                                  int level,
 +                                  int strategy);
  /*
       Dynamically update the compression level and compression strategy.  The
     interpretation of level and strategy is as in deflateInit2().  This can be
@@ -734,7 +735,7 @@ ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm,
     Then no more input data should be provided before the deflateParams() call.
     If this is done, the old level and strategy will be applied to the data
     compressed before deflateParams(), and the new level and strategy will be
 -   applied to the the data compressed after deflateParams().
 +   applied to the data compressed after deflateParams().
       deflateParams returns Z_OK on success, Z_STREAM_ERROR if the source stream
     state was inconsistent or if a parameter was invalid, or Z_BUF_ERROR if
@@ -745,11 +746,11 @@ ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm,
     retried with more output space.
  */
 -ZEXTERN int ZEXPORT deflateTune OF((z_streamp strm,
 -                                    int good_length,
 -                                    int max_lazy,
 -                                    int nice_length,
 -                                    int max_chain));
 +ZEXTERN int ZEXPORT deflateTune(z_streamp strm,
 +                                int good_length,
 +                                int max_lazy,
 +                                int nice_length,
 +                                int max_chain);
  /*
       Fine tune deflate's internal compression parameters.  This should only be
     used by someone who understands the algorithm used by zlib's deflate for
@@ -762,8 +763,8 @@ ZEXTERN int ZEXPORT deflateTune OF((z_streamp strm,
     returns Z_OK on success, or Z_STREAM_ERROR for an invalid deflate stream.
   */
 -ZEXTERN uLong ZEXPORT deflateBound OF((z_streamp strm,
 -                                       uLong sourceLen));
 +ZEXTERN uLong ZEXPORT deflateBound(z_streamp strm,
 +                                   uLong sourceLen);
  /*
       deflateBound() returns an upper bound on the compressed size after
     deflation of sourceLen bytes.  It must be called after deflateInit() or
@@ -777,9 +778,9 @@ ZEXTERN uLong ZEXPORT deflateBound OF((z_streamp strm,
     than Z_FINISH or Z_NO_FLUSH are used.
  */
 -ZEXTERN int ZEXPORT deflatePending OF((z_streamp strm,
 -                                       unsigned *pending,
 -                                       int *bits));
 +ZEXTERN int ZEXPORT deflatePending(z_streamp strm,
 +                                   unsigned *pending,
 +                                   int *bits);
  /*
       deflatePending() returns the number of bytes and bits of output that have
     been generated, but not yet provided in the available output.  The bytes not
@@ -792,9 +793,9 @@ ZEXTERN int ZEXPORT deflatePending OF((z_streamp strm,
     stream state was inconsistent.
   */
 -ZEXTERN int ZEXPORT deflatePrime OF((z_streamp strm,
 -                                     int bits,
 -                                     int value));
 +ZEXTERN int ZEXPORT deflatePrime(z_streamp strm,
 +                                 int bits,
 +                                 int value);
  /*
       deflatePrime() inserts bits in the deflate output stream.  The intent
     is that this function is used to start off the deflate output with the bits
@@ -809,8 +810,8 @@ ZEXTERN int ZEXPORT deflatePrime OF((z_streamp strm,
     source stream state was inconsistent.
  */
 -ZEXTERN int ZEXPORT deflateSetHeader OF((z_streamp strm,
 -                                         gz_headerp head));
 +ZEXTERN int ZEXPORT deflateSetHeader(z_streamp strm,
 +                                     gz_headerp head);
  /*
       deflateSetHeader() provides gzip header information for when a gzip
     stream is requested by deflateInit2().  deflateSetHeader() may be called
@@ -826,16 +827,17 @@ ZEXTERN int ZEXPORT deflateSetHeader OF((z_streamp strm,
     gzip file" and give up.
       If deflateSetHeader is not used, the default gzip header has text false,
 -   the time set to zero, and os set to 255, with no extra, name, or comment
 -   fields.  The gzip header is returned to the default state by deflateReset().
 +   the time set to zero, and os set to the current operating system, with no
 +   extra, name, or comment fields.  The gzip header is returned to the default
 +   state by deflateReset().
       deflateSetHeader returns Z_OK if success, or Z_STREAM_ERROR if the source
     stream state was inconsistent.
  */
  /*
 -ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm,
 -                                     int  windowBits));
 +ZEXTERN int ZEXPORT inflateInit2(z_streamp strm,
 +                                 int windowBits);
       This is another version of inflateInit with an extra parameter.  The
     fields next_in, avail_in, zalloc, zfree and opaque must be initialized
@@ -888,9 +890,9 @@ ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm,
     deferred until inflate() is called.
  */
 -ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm,
 -                                             const Bytef *dictionary,
 -                                             uInt  dictLength));
 +ZEXTERN int ZEXPORT inflateSetDictionary(z_streamp strm,
 +                                         const Bytef *dictionary,
 +                                         uInt  dictLength);
  /*
       Initializes the decompression dictionary from the given uncompressed byte
     sequence.  This function must be called immediately after a call of inflate,
@@ -911,9 +913,9 @@ ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm,
     inflate().
  */
 -ZEXTERN int ZEXPORT inflateGetDictionary OF((z_streamp strm,
 -                                             Bytef *dictionary,
 -                                             uInt  *dictLength));
 +ZEXTERN int ZEXPORT inflateGetDictionary(z_streamp strm,
 +                                         Bytef *dictionary,
 +                                         uInt  *dictLength);
  /*
       Returns the sliding dictionary being maintained by inflate.  dictLength is
     set to the number of bytes in the dictionary, and that many bytes are copied
@@ -926,7 +928,7 @@ ZEXTERN int ZEXPORT inflateGetDictionary OF((z_streamp strm,
     stream state is inconsistent.
  */
 -ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm));
 +ZEXTERN int ZEXPORT inflateSync(z_streamp strm);
  /*
       Skips invalid compressed data until a possible full flush point (see above
     for the description of deflate with Z_FULL_FLUSH) can be found, or until all
@@ -945,8 +947,8 @@ ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm));
     input each time, until success or end of the input data.
  */
 -ZEXTERN int ZEXPORT inflateCopy OF((z_streamp dest,
 -                                    z_streamp source));
 +ZEXTERN int ZEXPORT inflateCopy(z_streamp dest,
 +                                z_streamp source);
  /*
       Sets the destination stream as a complete copy of the source stream.
@@ -963,18 +965,19 @@ ZEXTERN int ZEXPORT inflateCopy OF((z_streamp dest,
  #endif  /* !Z_FREETYPE */
 -ZEXTERN int ZEXPORT inflateReset OF((z_streamp strm));
 +ZEXTERN int ZEXPORT inflateReset(z_streamp strm);
  /*
       This function is equivalent to inflateEnd followed by inflateInit,
     but does not free and reallocate the internal decompression state.  The
     stream will keep attributes that may have been set by inflateInit2.
 +   total_in, total_out, adler, and msg are initialized.
       inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source
     stream state was inconsistent (such as zalloc or state being Z_NULL).
  */
 -ZEXTERN int ZEXPORT inflateReset2 OF((z_streamp strm,
 -                                      int windowBits));
 +ZEXTERN int ZEXPORT inflateReset2(z_streamp strm,
 +                                  int windowBits);
  /*
       This function is the same as inflateReset, but it also permits changing
     the wrap and window size requests.  The windowBits parameter is interpreted
@@ -989,9 +992,9 @@ ZEXTERN int ZEXPORT inflateReset2 OF((z_streamp strm,
  #ifndef Z_FREETYPE
 -ZEXTERN int ZEXPORT inflatePrime OF((z_streamp strm,
 -                                     int bits,
 -                                     int value));
 +ZEXTERN int ZEXPORT inflatePrime(z_streamp strm,
 +                                 int bits,
 +                                 int value);
  /*
       This function inserts bits in the inflate input stream.  The intent is
     that this function is used to start inflating at a bit position in the
@@ -1010,7 +1013,7 @@ ZEXTERN int ZEXPORT inflatePrime OF((z_streamp strm,
     stream state was inconsistent.
  */
 -ZEXTERN long ZEXPORT inflateMark OF((z_streamp strm));
 +ZEXTERN long ZEXPORT inflateMark(z_streamp strm);
  /*
       This function returns two values, one in the lower 16 bits of the return
     value, and the other in the remaining upper bits, obtained by shifting the
@@ -1038,8 +1041,8 @@ ZEXTERN long ZEXPORT inflateMark OF((z_streamp strm));
     source stream state was inconsistent.
  */
 -ZEXTERN int ZEXPORT inflateGetHeader OF((z_streamp strm,
 -                                         gz_headerp head));
 +ZEXTERN int ZEXPORT inflateGetHeader(z_streamp strm,
 +                                     gz_headerp head);
  /*
       inflateGetHeader() requests that gzip header information be stored in the
     provided gz_header structure.  inflateGetHeader() may be called after
@@ -1081,8 +1084,8 @@ ZEXTERN int ZEXPORT inflateGetHeader OF((z_streamp strm,
  #endif  /* !Z_FREETYPE */
  /*
 -ZEXTERN int ZEXPORT inflateBackInit OF((z_streamp strm, int windowBits,
 -                                        unsigned char FAR *window));
 +ZEXTERN int ZEXPORT inflateBackInit(z_streamp strm, int windowBits,
 +                                    unsigned char FAR *window);
       Initialize the internal stream state for decompression using inflateBack()
     calls.  The fields zalloc, zfree and opaque in strm must be initialized
@@ -1102,15 +1105,15 @@ ZEXTERN int ZEXPORT inflateBackInit OF((z_streamp strm, int windowBits,
     the version of the header file.
  */
 -typedef unsigned (*in_func) OF((void FAR *,
 -                                z_const unsigned char FAR * FAR *));
 -typedef int (*out_func) OF((void FAR *, unsigned char FAR *, unsigned));
 +typedef unsigned (*in_func)(void FAR *,
 +                            z_const unsigned char FAR * FAR *);
 +typedef int (*out_func)(void FAR *, unsigned char FAR *, unsigned);
  #ifndef Z_FREETYPE
 -ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm,
 -                                    in_func in, void FAR *in_desc,
 -                                    out_func out, void FAR *out_desc));
 +ZEXTERN int ZEXPORT inflateBack(z_streamp strm,
 +                                in_func in, void FAR *in_desc,
 +                                out_func out, void FAR *out_desc);
  /*
       inflateBack() does a raw inflate with a single call using a call-back
     interface for input and output.  This is potentially more efficient than
@@ -1178,7 +1181,7 @@ ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm,
     cannot return Z_OK.
  */
 -ZEXTERN int ZEXPORT inflateBackEnd OF((z_streamp strm));
 +ZEXTERN int ZEXPORT inflateBackEnd(z_streamp strm);
  /*
       All memory allocated by inflateBackInit() is freed.
@@ -1186,7 +1189,7 @@ ZEXTERN int ZEXPORT inflateBackEnd OF((z_streamp strm));
     state was inconsistent.
  */
 -ZEXTERN uLong ZEXPORT zlibCompileFlags OF((void));
 +ZEXTERN uLong ZEXPORT zlibCompileFlags(void);
  /* Return flags indicating compile-time options.
      Type sizes, two bits each, 00 = 16 bits, 01 = 32, 10 = 64, 11 = other:
@@ -1241,8 +1244,8 @@ ZEXTERN uLong ZEXPORT zlibCompileFlags OF((void));
     you need special options.
  */
 -ZEXTERN int ZEXPORT compress OF((Bytef *dest,   uLongf *destLen,
 -                                 const Bytef *source, uLong sourceLen));
 +ZEXTERN int ZEXPORT compress(Bytef *dest,   uLongf *destLen,
 +                             const Bytef *source, uLong sourceLen);
  /*
       Compresses the source buffer into the destination buffer.  sourceLen is
     the byte length of the source buffer.  Upon entry, destLen is the total size
@@ -1256,9 +1259,9 @@ ZEXTERN int ZEXPORT compress OF((Bytef *dest,   uLongf *destLen,
     buffer.
  */
 -ZEXTERN int ZEXPORT compress2 OF((Bytef *dest,   uLongf *destLen,
 -                                  const Bytef *source, uLong sourceLen,
 -                                  int level));
 +ZEXTERN int ZEXPORT compress2(Bytef *dest,   uLongf *destLen,
 +                              const Bytef *source, uLong sourceLen,
 +                              int level);
  /*
       Compresses the source buffer into the destination buffer.  The level
     parameter has the same meaning as in deflateInit.  sourceLen is the byte
@@ -1272,15 +1275,15 @@ ZEXTERN int ZEXPORT compress2 OF((Bytef *dest,   uLongf *destLen,
     Z_STREAM_ERROR if the level parameter is invalid.
  */
 -ZEXTERN uLong ZEXPORT compressBound OF((uLong sourceLen));
 +ZEXTERN uLong ZEXPORT compressBound(uLong sourceLen);
  /*
       compressBound() returns an upper bound on the compressed size after
     compress() or compress2() on sourceLen bytes.  It would be used before a
     compress() or compress2() call to allocate the destination buffer.
  */
 -ZEXTERN int ZEXPORT uncompress OF((Bytef *dest,   uLongf *destLen,
 -                                   const Bytef *source, uLong sourceLen));
 +ZEXTERN int ZEXPORT uncompress(Bytef *dest,   uLongf *destLen,
 +                               const Bytef *source, uLong sourceLen);
  /*
       Decompresses the source buffer into the destination buffer.  sourceLen is
     the byte length of the source buffer.  Upon entry, destLen is the total size
@@ -1297,8 +1300,8 @@ ZEXTERN int ZEXPORT uncompress OF((Bytef *dest,   uLongf *destLen,
     buffer with the uncompressed data up to that point.
  */
 -ZEXTERN int ZEXPORT uncompress2 OF((Bytef *dest,   uLongf *destLen,
 -                                    const Bytef *source, uLong *sourceLen));
 +ZEXTERN int ZEXPORT uncompress2(Bytef *dest,   uLongf *destLen,
 +                                const Bytef *source, uLong *sourceLen);
  /*
       Same as uncompress, except that sourceLen is a pointer, where the
     length of the source is *sourceLen.  On return, *sourceLen is the number of
@@ -1317,7 +1320,7 @@ ZEXTERN int ZEXPORT uncompress2 OF((Bytef *dest,   uLongf *destLen,
  typedef struct gzFile_s *gzFile;    /* semi-opaque gzip file descriptor */
  /*
 -ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode));
 +ZEXTERN gzFile ZEXPORT gzopen(const char *path, const char *mode);
       Open the gzip (.gz) file at path for reading and decompressing, or
     compressing and writing.  The mode parameter is as in fopen ("rb" or "wb")
@@ -1354,7 +1357,7 @@ ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode));
     file could not be opened.
  */
 -ZEXTERN gzFile ZEXPORT gzdopen OF((int fd, const char *mode));
 +ZEXTERN gzFile ZEXPORT gzdopen(int fd, const char *mode);
  /*
       Associate a gzFile with the file descriptor fd.  File descriptors are
     obtained from calls like open, dup, creat, pipe or fileno (if the file has
@@ -1377,7 +1380,7 @@ ZEXTERN gzFile ZEXPORT gzdopen OF((int fd, const char *mode));
     will not detect if fd is invalid (unless fd is -1).
  */
 -ZEXTERN int ZEXPORT gzbuffer OF((gzFile file, unsigned size));
 +ZEXTERN int ZEXPORT gzbuffer(gzFile file, unsigned size);
  /*
       Set the internal buffer size used by this library's functions for file to
     size.  The default buffer size is 8192 bytes.  This function must be called
@@ -1393,7 +1396,7 @@ ZEXTERN int ZEXPORT gzbuffer OF((gzFile file, unsigned size));
     too late.
  */
 -ZEXTERN int ZEXPORT gzsetparams OF((gzFile file, int level, int strategy));
 +ZEXTERN int ZEXPORT gzsetparams(gzFile file, int level, int strategy);
  /*
       Dynamically update the compression level and strategy for file.  See the
     description of deflateInit2 for the meaning of these parameters. Previously
@@ -1404,7 +1407,7 @@ ZEXTERN int ZEXPORT gzsetparams OF((gzFile file, int level, int strategy));
     or Z_MEM_ERROR if there is a memory allocation error.
  */
 -ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len));
 +ZEXTERN int ZEXPORT gzread(gzFile file, voidp buf, unsigned len);
  /*
       Read and decompress up to len uncompressed bytes from file into buf.  If
     the input file is not in gzip format, gzread copies the given number of
@@ -1434,8 +1437,8 @@ ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len));
     Z_STREAM_ERROR.
  */
 -ZEXTERN z_size_t ZEXPORT gzfread OF((voidp buf, z_size_t size, z_size_t nitems,
 -                                     gzFile file));
 +ZEXTERN z_size_t ZEXPORT gzfread(voidp buf, z_size_t size, z_size_t nitems,
 +                                 gzFile file);
  /*
       Read and decompress up to nitems items of size size from file into buf,
     otherwise operating as gzread() does.  This duplicates the interface of
@@ -1460,14 +1463,14 @@ ZEXTERN z_size_t ZEXPORT gzfread OF((voidp buf, z_size_t size, z_size_t nitems,
     file, resetting and retrying on end-of-file, when size is not 1.
  */
 -ZEXTERN int ZEXPORT gzwrite OF((gzFile file, voidpc buf, unsigned len));
 +ZEXTERN int ZEXPORT gzwrite(gzFile file, voidpc buf, unsigned len);
  /*
       Compress and write the len uncompressed bytes at buf to file. gzwrite
     returns the number of uncompressed bytes written or 0 in case of error.
  */
 -ZEXTERN z_size_t ZEXPORT gzfwrite OF((voidpc buf, z_size_t size,
 -                                      z_size_t nitems, gzFile file));
 +ZEXTERN z_size_t ZEXPORT gzfwrite(voidpc buf, z_size_t size,
 +                                  z_size_t nitems, gzFile file);
  /*
       Compress and write nitems items of size size from buf to file, duplicating
     the interface of stdio's fwrite(), with size_t request and return types.  If
@@ -1480,7 +1483,7 @@ ZEXTERN z_size_t ZEXPORT gzfwrite OF((voidpc buf, z_size_t size,
     is returned, and the error state is set to Z_STREAM_ERROR.
  */
 -ZEXTERN int ZEXPORTVA gzprintf Z_ARG((gzFile file, const char *format, ...));
 +ZEXTERN int ZEXPORTVA gzprintf(gzFile file, const char *format, ...);
  /*
       Convert, format, compress, and write the arguments (...) to file under
     control of the string format, as in fprintf.  gzprintf returns the number of
@@ -1495,7 +1498,7 @@ ZEXTERN int ZEXPORTVA gzprintf Z_ARG((gzFile file, const char *format, ...));
     This can be determined using zlibCompileFlags().
  */
 -ZEXTERN int ZEXPORT gzputs OF((gzFile file, const char *s));
 +ZEXTERN int ZEXPORT gzputs(gzFile file, const char *s);
  /*
       Compress and write the given null-terminated string s to file, excluding
     the terminating null character.
@@ -1503,7 +1506,7 @@ ZEXTERN int ZEXPORT gzputs OF((gzFile file, const char *s));
       gzputs returns the number of characters written, or -1 in case of error.
  */
 -ZEXTERN char * ZEXPORT gzgets OF((gzFile file, char *buf, int len));
 +ZEXTERN char * ZEXPORT gzgets(gzFile file, char *buf, int len);
  /*
       Read and decompress bytes from file into buf, until len-1 characters are
     read, or until a newline character is read and transferred to buf, or an
@@ -1517,13 +1520,13 @@ ZEXTERN char * ZEXPORT gzgets OF((gzFile file, char *buf, int len));
     buf are indeterminate.
  */
 -ZEXTERN int ZEXPORT gzputc OF((gzFile file, int c));
 +ZEXTERN int ZEXPORT gzputc(gzFile file, int c);
  /*
       Compress and write c, converted to an unsigned char, into file.  gzputc
     returns the value that was written, or -1 in case of error.
  */
 -ZEXTERN int ZEXPORT gzgetc OF((gzFile file));
 +ZEXTERN int ZEXPORT gzgetc(gzFile file);
  /*
       Read and decompress one byte from file.  gzgetc returns this byte or -1
     in case of end of file or error.  This is implemented as a macro for speed.
@@ -1532,7 +1535,7 @@ ZEXTERN int ZEXPORT gzgetc OF((gzFile file));
     points to has been clobbered or not.
  */
 -ZEXTERN int ZEXPORT gzungetc OF((int c, gzFile file));
 +ZEXTERN int ZEXPORT gzungetc(int c, gzFile file);
  /*
       Push c back onto the stream for file to be read as the first character on
     the next read.  At least one character of push-back is always allowed.
@@ -1544,7 +1547,7 @@ ZEXTERN int ZEXPORT gzungetc OF((int c, gzFile file));
     gzseek() or gzrewind().
  */
 -ZEXTERN int ZEXPORT gzflush OF((gzFile file, int flush));
 +ZEXTERN int ZEXPORT gzflush(gzFile file, int flush);
  /*
       Flush all pending output to file.  The parameter flush is as in the
     deflate() function.  The return value is the zlib error number (see function
@@ -1560,8 +1563,8 @@ ZEXTERN int ZEXPORT gzflush OF((gzFile file, int flush));
  */
  /*
 -ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile file,
 -                                   z_off_t offset, int whence));
 +ZEXTERN z_off_t ZEXPORT gzseek(gzFile file,
 +                               z_off_t offset, int whence);
       Set the starting position to offset relative to whence for the next gzread
     or gzwrite on file.  The offset represents a number of bytes in the
@@ -1579,7 +1582,7 @@ ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile file,
     would be before the current position.
  */
 -ZEXTERN int ZEXPORT    gzrewind OF((gzFile file));
 +ZEXTERN int ZEXPORT    gzrewind(gzFile file);
  /*
       Rewind file. This function is supported only for reading.
@@ -1587,7 +1590,7 @@ ZEXTERN int ZEXPORT    gzrewind OF((gzFile file));
  */
  /*
 -ZEXTERN z_off_t ZEXPORT    gztell OF((gzFile file));
 +ZEXTERN z_off_t ZEXPORT    gztell(gzFile file);
       Return the starting position for the next gzread or gzwrite on file.
     This position represents a number of bytes in the uncompressed data stream,
@@ -1598,7 +1601,7 @@ ZEXTERN z_off_t ZEXPORT    gztell OF((gzFile file));
  */
  /*
 -ZEXTERN z_off_t ZEXPORT gzoffset OF((gzFile file));
 +ZEXTERN z_off_t ZEXPORT gzoffset(gzFile file);
       Return the current compressed (actual) read or write offset of file.  This
     offset includes the count of bytes that precede the gzip stream, for example
@@ -1607,7 +1610,7 @@ ZEXTERN z_off_t ZEXPORT gzoffset OF((gzFile file));
     be used for a progress indicator.  On error, gzoffset() returns -1.
  */
 -ZEXTERN int ZEXPORT gzeof OF((gzFile file));
 +ZEXTERN int ZEXPORT gzeof(gzFile file);
  /*
       Return true (1) if the end-of-file indicator for file has been set while
     reading, false (0) otherwise.  Note that the end-of-file indicator is set
@@ -1622,7 +1625,7 @@ ZEXTERN int ZEXPORT gzeof OF((gzFile file));
     has grown since the previous end of file was detected.
  */
 -ZEXTERN int ZEXPORT gzdirect OF((gzFile file));
 +ZEXTERN int ZEXPORT gzdirect(gzFile file);
  /*
       Return true (1) if file is being copied directly while reading, or false
     (0) if file is a gzip stream being decompressed.
@@ -1643,7 +1646,7 @@ ZEXTERN int ZEXPORT gzdirect OF((gzFile file));
     gzip file reading and decompression, which may not be desired.)
  */
 -ZEXTERN int ZEXPORT    gzclose OF((gzFile file));
 +ZEXTERN int ZEXPORT    gzclose(gzFile file);
  /*
       Flush all pending output for file, if necessary, close file and
     deallocate the (de)compression state.  Note that once file is closed, you
@@ -1656,8 +1659,8 @@ ZEXTERN int ZEXPORT    gzclose OF((gzFile file));
     last read ended in the middle of a gzip stream, or Z_OK on success.
  */
 -ZEXTERN int ZEXPORT gzclose_r OF((gzFile file));
 -ZEXTERN int ZEXPORT gzclose_w OF((gzFile file));
 +ZEXTERN int ZEXPORT gzclose_r(gzFile file);
 +ZEXTERN int ZEXPORT gzclose_w(gzFile file);
  /*
       Same as gzclose(), but gzclose_r() is only for use when reading, and
     gzclose_w() is only for use when writing or appending.  The advantage to
@@ -1668,7 +1671,7 @@ ZEXTERN int ZEXPORT gzclose_w OF((gzFile file));
     zlib library.
  */
 -ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum));
 +ZEXTERN const char * ZEXPORT gzerror(gzFile file, int *errnum);
  /*
       Return the error message for the last error which occurred on file.
     errnum is set to zlib error number.  If an error occurred in the file system
@@ -1684,7 +1687,7 @@ ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum));
     functions above that do not distinguish those cases in their return values.
  */
 -ZEXTERN void ZEXPORT gzclearerr OF((gzFile file));
 +ZEXTERN void ZEXPORT gzclearerr(gzFile file);
  /*
       Clear the error and end-of-file flags for file.  This is analogous to the
     clearerr() function in stdio.  This is useful for continuing to read a gzip
@@ -1701,7 +1704,7 @@ ZEXTERN void ZEXPORT gzclearerr OF((gzFile file));
     library.
  */
 -ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len));
 +ZEXTERN uLong ZEXPORT adler32(uLong adler, const Bytef *buf, uInt len);
  /*
       Update a running Adler-32 checksum with the bytes buf[0..len-1] and
     return the updated checksum. An Adler-32 value is in the range of a 32-bit
@@ -1721,15 +1724,15 @@ ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len));
       if (adler != original_adler) error();
  */
 -ZEXTERN uLong ZEXPORT adler32_z OF((uLong adler, const Bytef *buf,
 -                                    z_size_t len));
 +ZEXTERN uLong ZEXPORT adler32_z(uLong adler, const Bytef *buf,
 +                                z_size_t len);
  /*
       Same as adler32(), but with a size_t length.
  */
  /*
 -ZEXTERN uLong ZEXPORT adler32_combine OF((uLong adler1, uLong adler2,
 -                                          z_off_t len2));
 +ZEXTERN uLong ZEXPORT adler32_combine(uLong adler1, uLong adler2,
 +                                      z_off_t len2);
       Combine two Adler-32 checksums into one.  For two sequences of bytes, seq1
     and seq2 with lengths len1 and len2, Adler-32 checksums were calculated for
@@ -1739,7 +1742,7 @@ ZEXTERN uLong ZEXPORT adler32_combine OF((uLong adler1, uLong adler2,
     negative, the result has no meaning or utility.
  */
 -ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len));
 +ZEXTERN uLong ZEXPORT crc32(uLong crc, const Bytef *buf, uInt len);
  /*
       Update a running CRC-32 with the bytes buf[0..len-1] and return the
     updated CRC-32. A CRC-32 value is in the range of a 32-bit unsigned integer.
@@ -1757,14 +1760,14 @@ ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len));
       if (crc != original_crc) error();
  */
 -ZEXTERN uLong ZEXPORT crc32_z OF((uLong crc, const Bytef *buf,
 -                                  z_size_t len));
 +ZEXTERN uLong ZEXPORT crc32_z(uLong crc, const Bytef *buf,
 +                              z_size_t len);
  /*
       Same as crc32(), but with a size_t length.
  */
  /*
 -ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2));
 +ZEXTERN uLong ZEXPORT crc32_combine(uLong crc1, uLong crc2, z_off_t len2);
       Combine two CRC-32 check values into one.  For two sequences of bytes,
     seq1 and seq2 with lengths len1 and len2, CRC-32 check values were
@@ -1774,7 +1777,7 @@ ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2));
  */
  /*
 -ZEXTERN uLong ZEXPORT crc32_combine_gen OF((z_off_t len2));
 +ZEXTERN uLong ZEXPORT crc32_combine_gen(z_off_t len2);
       Return the operator corresponding to length len2, to be used with
     crc32_combine_op().
@@ -1782,7 +1785,7 @@ ZEXTERN uLong ZEXPORT crc32_combine_gen OF((z_off_t len2));
  #ifndef Z_FREETYPE
 -ZEXTERN uLong ZEXPORT crc32_combine_op OF((uLong crc1, uLong crc2, uLong op));
 +ZEXTERN uLong ZEXPORT crc32_combine_op(uLong crc1, uLong crc2, uLong op);
  /*
       Give the same result as crc32_combine(), using op in place of len2. op is
     is generated from len2 by crc32_combine_gen(). This will be faster than
@@ -1795,20 +1798,20 @@ ZEXTERN uLong ZEXPORT crc32_combine_op OF((uLong crc1, uLong crc2, uLong op));
  /* deflateInit and inflateInit are macros to allow checking the zlib version
   * and the compiler's view of z_stream:
   */
 -ZEXTERN int ZEXPORT deflateInit_ OF((z_streamp strm, int level,
 -                                     const char *version, int stream_size));
 -ZEXTERN int ZEXPORT inflateInit_ OF((z_streamp strm,
 -                                     const char *version, int stream_size));
 -ZEXTERN int ZEXPORT deflateInit2_ OF((z_streamp strm, int  level, int  method,
 -                                      int windowBits, int memLevel,
 -                                      int strategy, const char *version,
 -                                      int stream_size));
 -ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int  windowBits,
 -                                      const char *version, int stream_size));
 -ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits,
 -                                         unsigned char FAR *window,
 -                                         const char *version,
 -                                         int stream_size));
 +ZEXTERN int ZEXPORT deflateInit_(z_streamp strm, int level,
 +                                 const char *version, int stream_size);
 +ZEXTERN int ZEXPORT inflateInit_(z_streamp strm,
 +                                 const char *version, int stream_size);
 +ZEXTERN int ZEXPORT deflateInit2_(z_streamp strm, int  level, int  method,
 +                                  int windowBits, int memLevel,
 +                                  int strategy, const char *version,
 +                                  int stream_size);
 +ZEXTERN int ZEXPORT inflateInit2_(z_streamp strm, int  windowBits,
 +                                  const char *version, int stream_size);
 +ZEXTERN int ZEXPORT inflateBackInit_(z_streamp strm, int windowBits,
 +                                     unsigned char FAR *window,
 +                                     const char *version,
 +                                     int stream_size);
  #ifdef Z_PREFIX_SET
  #  define z_deflateInit(strm, level) \
            deflateInit_((strm), (level), ZLIB_VERSION, (int)sizeof(z_stream))
@@ -1841,9 +1844,8 @@ ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits,
  #else  /* Z_FREETYPE */
+-
 -ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int  windowBits,
 -                                      const char *version, int stream_size));
 +ZEXTERN int ZEXPORT inflateInit2_(z_streamp strm, int  windowBits,
 +                                  const char *version, int stream_size);
  #  define inflateInit2(strm, windowBits) \
            inflateInit2_((strm), (windowBits), ZLIB_VERSION, \
@@ -1851,7 +1853,6 @@ ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int  windowBits,
  #endif  /* Z_FREETYPE */
+-
  #ifndef Z_SOLO
  /* gzgetc() macro and its supporting function and exposed data structure.  Note
@@ -1866,7 +1867,7 @@ struct gzFile_s {
      unsigned char *next;
      z_off64_t pos;
  };
 -ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file));  /* backward compatibility */
 +ZEXTERN int ZEXPORT gzgetc_(gzFile file);       /* backward compatibility */
  #ifdef Z_PREFIX_SET
  #  undef z_gzgetc
  #  define z_gzgetc(g) \
@@ -1883,13 +1884,13 @@ ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file));  /* backward compatibility */
   * without large file support, _LFS64_LARGEFILE must also be true
   */
  #ifdef Z_LARGE64
 -   ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *));
 -   ZEXTERN z_off64_t ZEXPORT gzseek64 OF((gzFile, z_off64_t, int));
 -   ZEXTERN z_off64_t ZEXPORT gztell64 OF((gzFile));
 -   ZEXTERN z_off64_t ZEXPORT gzoffset64 OF((gzFile));
 -   ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off64_t));
 -   ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off64_t));
 -   ZEXTERN uLong ZEXPORT crc32_combine_gen64 OF((z_off64_t));
 +   ZEXTERN gzFile ZEXPORT gzopen64(const char *, const char *);
 +   ZEXTERN z_off64_t ZEXPORT gzseek64(gzFile, z_off64_t, int);
 +   ZEXTERN z_off64_t ZEXPORT gztell64(gzFile);
 +   ZEXTERN z_off64_t ZEXPORT gzoffset64(gzFile);
 +   ZEXTERN uLong ZEXPORT adler32_combine64(uLong, uLong, z_off64_t);
 +   ZEXTERN uLong ZEXPORT crc32_combine64(uLong, uLong, z_off64_t);
 +   ZEXTERN uLong ZEXPORT crc32_combine_gen64(z_off64_t);
  #endif
  #if !defined(ZLIB_INTERNAL) && defined(Z_WANT64)
@@ -1911,55 +1912,55 @@ ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file));  /* backward compatibility */
  #    define crc32_combine_gen crc32_combine_gen64
  #  endif
  #  ifndef Z_LARGE64
 -     ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *));
 -     ZEXTERN z_off_t ZEXPORT gzseek64 OF((gzFile, z_off_t, int));
 -     ZEXTERN z_off_t ZEXPORT gztell64 OF((gzFile));
 -     ZEXTERN z_off_t ZEXPORT gzoffset64 OF((gzFile));
 -     ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));
 -     ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
 -     ZEXTERN uLong ZEXPORT crc32_combine_gen64 OF((z_off_t));
 +     ZEXTERN gzFile ZEXPORT gzopen64(const char *, const char *);
 +     ZEXTERN z_off_t ZEXPORT gzseek64(gzFile, z_off_t, int);
 +     ZEXTERN z_off_t ZEXPORT gztell64(gzFile);
 +     ZEXTERN z_off_t ZEXPORT gzoffset64(gzFile);
 +     ZEXTERN uLong ZEXPORT adler32_combine64(uLong, uLong, z_off_t);
 +     ZEXTERN uLong ZEXPORT crc32_combine64(uLong, uLong, z_off_t);
 +     ZEXTERN uLong ZEXPORT crc32_combine_gen64(z_off_t);
  #  endif
  #else
 -   ZEXTERN gzFile ZEXPORT gzopen OF((const char *, const char *));
 -   ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile, z_off_t, int));
 -   ZEXTERN z_off_t ZEXPORT gztell OF((gzFile));
 -   ZEXTERN z_off_t ZEXPORT gzoffset OF((gzFile));
 -   ZEXTERN uLong ZEXPORT adler32_combine OF((uLong, uLong, z_off_t));
 -   ZEXTERN uLong ZEXPORT crc32_combine OF((uLong, uLong, z_off_t));
 -   ZEXTERN uLong ZEXPORT crc32_combine_gen OF((z_off_t));
 +   ZEXTERN gzFile ZEXPORT gzopen(const char *, const char *);
 +   ZEXTERN z_off_t ZEXPORT gzseek(gzFile, z_off_t, int);
 +   ZEXTERN z_off_t ZEXPORT gztell(gzFile);
 +   ZEXTERN z_off_t ZEXPORT gzoffset(gzFile);
 +   ZEXTERN uLong ZEXPORT adler32_combine(uLong, uLong, z_off_t);
 +   ZEXTERN uLong ZEXPORT crc32_combine(uLong, uLong, z_off_t);
 +   ZEXTERN uLong ZEXPORT crc32_combine_gen(z_off_t);
  #endif
  #else /* Z_SOLO */
  #ifndef Z_FREETYPE
 -   ZEXTERN uLong ZEXPORT adler32_combine OF((uLong, uLong, z_off_t));
 -   ZEXTERN uLong ZEXPORT crc32_combine OF((uLong, uLong, z_off_t));
 -   ZEXTERN uLong ZEXPORT crc32_combine_gen OF((z_off_t));
 +   ZEXTERN uLong ZEXPORT adler32_combine(uLong, uLong, z_off_t);
 +   ZEXTERN uLong ZEXPORT crc32_combine(uLong, uLong, z_off_t);
 +   ZEXTERN uLong ZEXPORT crc32_combine_gen(z_off_t);
  #endif
  #endif /* !Z_SOLO */
  /* undocumented functions */
  #ifndef Z_FREETYPE
 -ZEXTERN const char   * ZEXPORT zError           OF((int));
 -ZEXTERN int            ZEXPORT inflateSyncPoint OF((z_streamp));
 -ZEXTERN const z_crc_t FAR * ZEXPORT get_crc_table    OF((void));
 -ZEXTERN int            ZEXPORT inflateUndermine OF((z_streamp, int));
 -ZEXTERN int            ZEXPORT inflateValidate OF((z_streamp, int));
 -ZEXTERN unsigned long  ZEXPORT inflateCodesUsed OF((z_streamp));
 +ZEXTERN const char   * ZEXPORT zError(int);
 +ZEXTERN int            ZEXPORT inflateSyncPoint(z_streamp);
 +ZEXTERN const z_crc_t FAR * ZEXPORT get_crc_table(void);
 +ZEXTERN int            ZEXPORT inflateUndermine(z_streamp, int);
 +ZEXTERN int            ZEXPORT inflateValidate(z_streamp, int);
 +ZEXTERN unsigned long  ZEXPORT inflateCodesUsed(z_streamp);
  #endif  /* !Z_FREETYPE */
 -ZEXTERN int            ZEXPORT inflateResetKeep OF((z_streamp));
 +ZEXTERN int            ZEXPORT inflateResetKeep(z_streamp);
  #ifndef Z_FREETYPE
 -ZEXTERN int            ZEXPORT deflateResetKeep OF((z_streamp));
 +ZEXTERN int            ZEXPORT deflateResetKeep(z_streamp);
  #if defined(_WIN32) && !defined(Z_SOLO)
 -ZEXTERN gzFile         ZEXPORT gzopen_w OF((const wchar_t *path,
 -                                            const char *mode));
 +ZEXTERN gzFile         ZEXPORT gzopen_w(const wchar_t *path,
 +                                        const char *mode);
  #endif
  #if defined(STDC) || defined(Z_HAVE_STDARG_H)
  #  ifndef Z_SOLO
 -ZEXTERN int            ZEXPORTVA gzvprintf Z_ARG((gzFile file,
 -                                                  const char *format,
 -                                                  va_list va));
 +ZEXTERN int            ZEXPORTVA gzvprintf(gzFile file,
 +                                           const char *format,
 +                                           va_list va);
  #  endif
  #endif
  #endif  /* !Z_FREETYPE */

src/gzip/zutil.c

@@ -26,13 +26,11 @@ z_const char * const z_errmsg[10] = {
  };
 -const char * ZEXPORT zlibVersion()
 -{
 +const char * ZEXPORT zlibVersion(void) {
      return ZLIB_VERSION;
+ }
 -uLong ZEXPORT zlibCompileFlags()
 -{
 +uLong ZEXPORT zlibCompileFlags(void) {
      uLong flags;
      flags = 0;
@@ -123,9 +121,7 @@ uLong ZEXPORT zlibCompileFlags()
  #  endif
  int ZLIB_INTERNAL z_verbose = verbose;
 -void ZLIB_INTERNAL z_error(
 -    char *m)
 -{
 +void ZLIB_INTERNAL z_error(char *m) {
      fprintf(stderr, "%s\n", m);
      exit(1);
+ }
@@ -134,9 +130,7 @@ void ZLIB_INTERNAL z_error(
  /* exported to allow conversion of error code to string for compress() and
   * uncompress()
   */
 -const char * ZEXPORT zError(
 -    int err)
 -{
 +const char * ZEXPORT zError(int err) {
      return ERR_MSG(err);
+ }
@@ -152,11 +146,7 @@ const char * ZEXPORT zError(
  #ifndef HAVE_MEMCPY
 -void ZLIB_INTERNAL zmemcpy(
 -    Bytef* dest,
 -    const Bytef* source,
 -    uInt  len)
 -{
 +void ZLIB_INTERNAL zmemcpy(Bytef* dest, const Bytef* source, uInt len) {
      if (len == 0) return;
      do {
          *dest++ = *source++; /* ??? to be unrolled */
@@ -164,12 +154,7 @@ void ZLIB_INTERNAL zmemcpy(
+ }
  #ifndef Z_FREETYPE
+-
 -int ZLIB_INTERNAL zmemcmp(
 -    const Bytef* s1,
 -    const Bytef* s2,
 -    uInt  len)
 -{
 +int ZLIB_INTERNAL zmemcmp(const Bytef* s1, const Bytef* s2, uInt len) {
      uInt j;
      for (j = 0; j < len; j++) {
@@ -178,10 +163,7 @@ int ZLIB_INTERNAL zmemcmp(
      return 0;
+ }
 -void ZLIB_INTERNAL zmemzero(
 -    Bytef* dest,
 -    uInt  len)
 -{
 +void ZLIB_INTERNAL zmemzero(Bytef* dest, uInt len) {
      if (len == 0) return;
      do {
          *dest++ = 0;  /* ??? to be unrolled */
@@ -223,8 +205,7 @@ local ptr_table table[MAX_PTR];
   * a protected system like OS/2. Use Microsoft C instead.
   */
 -voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items, unsigned size)
 -{
 +voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items, unsigned size) {
      voidpf buf;
      ulg bsize = (ulg)items*size;
@@ -249,8 +230,7 @@ voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items, unsigned size)
      return buf;
+ }
 -void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr)
 -{
 +void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) {
      int n;
      (void)opaque;
@@ -286,14 +266,12 @@ void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr)
  #  define _hfree   hfree
  #endif
 -voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, uInt items, uInt size)
 -{
 +voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, uInt items, uInt size) {
      (void)opaque;
      return _halloc((long)items, size);
+ }
 -void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr)
 -{
 +void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) {
      (void)opaque;
      _hfree(ptr);
+ }
@@ -306,25 +284,18 @@ void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr)
  #ifndef MY_ZCALLOC /* Any system without a special alloc function */
  #ifndef STDC
 -extern voidp  malloc OF((uInt size));
 -extern voidp  calloc OF((uInt items, uInt size));
 -extern void   free   OF((voidpf ptr));
 +extern voidp malloc(uInt size);
 +extern voidp calloc(uInt items, uInt size);
 +extern void free(voidpf ptr);
  #endif
 -voidpf ZLIB_INTERNAL zcalloc(
 -    voidpf opaque,
 -    unsigned items,
 -    unsigned size)
 -{
 +voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items, unsigned size) {
      (void)opaque;
      return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) :
                                (voidpf)calloc(items, size);
+ }
 -void ZLIB_INTERNAL zcfree(
 -    voidpf opaque,
 -    voidpf ptr)
 -{
 +void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) {
      (void)opaque;
      free(ptr);
+ }

src/gzip/zutil.h

@@ -56,7 +56,7 @@ typedef unsigned long  ulg;
  #ifndef Z_FREETYPE
  extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
  /* (size given to avoid silly warnings with Visual C++) */
 -#endif  /* !Z_FREETYPE */
 +#endif
  #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
@@ -195,9 +195,9 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
  /* provide prototypes for these when building zlib without LFS */
  #if !defined(_WIN32) && \
      (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
 -    ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));
 -    ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
 -    ZEXTERN uLong ZEXPORT crc32_combine_gen64 OF((z_off_t));
 +    ZEXTERN uLong ZEXPORT adler32_combine64(uLong, uLong, z_off_t);
 +    ZEXTERN uLong ZEXPORT crc32_combine64(uLong, uLong, z_off_t);
 +    ZEXTERN uLong ZEXPORT crc32_combine_gen64(z_off_t);
  #endif
  #endif  /* !Z_FREETYPE */
@@ -238,16 +238,16 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
  #    define zmemzero(dest, len) ft_memset(dest, 0, len)
  #  endif
  #else
 -   void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
 -   int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
 -   void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len));
 +   void ZLIB_INTERNAL zmemcpy(Bytef* dest, const Bytef* source, uInt len);
 +   int ZLIB_INTERNAL zmemcmp(const Bytef* s1, const Bytef* s2, uInt len);
 +   void ZLIB_INTERNAL zmemzero(Bytef* dest, uInt len);
  #endif
  /* Diagnostic functions */
  #ifdef ZLIB_DEBUG
  #  include <stdio.h>
     extern int ZLIB_INTERNAL z_verbose;
 -   extern void ZLIB_INTERNAL z_error OF((char *m));
 +   extern void ZLIB_INTERNAL z_error(char *m);
  #  define Assert(cond,msg) {if(!(cond)) z_error(msg);}
  #  define Trace(x) {if (z_verbose>=0) fprintf x ;}
  #  define Tracev(x) {if (z_verbose>0) fprintf x ;}
@@ -264,9 +264,9 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
  #endif
  #ifndef Z_SOLO
 -   voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,
 -                                    unsigned size));
 -   void ZLIB_INTERNAL zcfree  OF((voidpf opaque, voidpf ptr));
 +   voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items,
 +                                unsigned size);
 +   void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr);
  #endif
  #define ZALLOC(strm, items, size) \

From:	Werner Lemberg (@wl)
Subject:	[Git][freetype/freetype][master] [gzip] Update sources to zlib 1.13.
Date:	Mon, 28 Aug 2023 17:54:22 +0000