vasnprintf.c needs IF_LINT, too

[Jim Meyering]

Oops.  I mistakenly pushed the latter unreviewed change (to avoid
this warning) along with the typo-fixing one.  Sorry, Bruno.

  cc1: warnings being treated as errors
  vasnprintf.c: In function 'scale10_round_decimal_long_double':
  vasnprintf.c:1208: error: 'e' may be used uninitialized in this function

>From 6dc931a793edc6f071d734f1f52f452bb96d02aa Mon Sep 17 00:00:00 2001
From: Jim Meyering <address@hidden>
Date: Tue, 20 May 2008 15:06:25 +0200
Subject: [PATCH] fix typos in ChangeLog entries

---
 ChangeLog |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 7b1b86a..95c58ec 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -51,7 +51,7 @@

        avoid a warning from gcc
        * lib/trim.c (IF_LINT): Define.
-       (trim2): Use it to void a "may be used uninitialized" warning.
+       (trim2): Use it to avoid a "may be used uninitialized" warning.

        Fix doc typo.
        * doc/glibc-functions/getpass.texi (getpass): s/PATH_MAX/PASS_MAX/.
@@ -463,7 +463,7 @@

        avoid a warning from gcc
        * lib/getndelim2.c (IF_LINT): Define.
-       (getndelim2): Use it to void a "may be used uninitialized" warning.
+       (getndelim2): Use it to avoid a "may be used uninitialized" warning.

        vc-list-files: work properly with build-aux/cvsu, too
        * build-aux/vc-list-files: Hoist the "./"-removing code to apply
--
1.5.5.1.249.g68ef3


>From 9e52f3ef782a31dd78cfc591eaf76721a5203ab8 Mon Sep 17 00:00:00 2001
From: Jim Meyering <address@hidden>
Date: Wed, 21 May 2008 18:38:12 +0200
Subject: [PATCH] avoid a warning from gcc

* lib/vasnprintf.c (IF_LINT): Define.
(scale10_round_decimal_long_double):
Use it to avoid a "may be used uninitialized" warning.
---
 ChangeLog        |    7 +++++++
 lib/vasnprintf.c |    9 ++++++++-
 2 files changed, 15 insertions(+), 1 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 95c58ec..c1bd3f2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2008-05-21  Jim Meyering  <address@hidden>
+
+       avoid a warning from gcc
+       * lib/vasnprintf.c (IF_LINT): Define.
+       (scale10_round_decimal_long_double):
+       Use it to avoid a "may be used uninitialized" warning.
+
 2008-05-21  Simon Josefsson  <address@hidden>

        * m4/memcmp.m4: When cross-compiling, assume memcmp works if it is
diff --git a/lib/vasnprintf.c b/lib/vasnprintf.c
index 66ce420..9018c60 100644
--- a/lib/vasnprintf.c
+++ b/lib/vasnprintf.c
@@ -117,6 +117,13 @@
 # include "fpucw.h"
 #endif

+/* Use this to suppress gcc's `...may be used before initialized' warnings. */
+#ifdef lint
+# define IF_LINT(Code) Code
+#else
+# define IF_LINT(Code) /* empty */
+#endif
+
 #if HAVE_WCHAR_T
 # if HAVE_WCSLEN
 #  define local_wcslen wcslen
@@ -1205,7 +1212,7 @@ scale10_round_decimal_decoded (int e, mpn_t m, void 
*memory, int n)
 static char *
 scale10_round_decimal_long_double (long double x, int n)
 {
-  int e;
+  int e IF_LINT(= 0);
   mpn_t m;
   void *memory = decode_long_double (x, &e, &m);
   return scale10_round_decimal_decoded (e, m, memory, n);
--
1.5.5.1.249.g68ef3