[Qemu-devel] [PULL 30/65] slirp: replace HOST_WORDS_BIGENDIAN with glib equivalent

[Samuel Thibault]

From: Marc-André Lureau <address@hidden>

One more step towards making the project independent from QEMU.

Signed-off-by: Marc-André Lureau <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Reviewed-by: Daniel P. Berrangé <address@hidden>
Signed-off-by: Samuel Thibault <address@hidden>
---
 slirp/ip.h           | 8 +++++---
 slirp/ip6.h          | 3 ++-
 slirp/ip6_icmp.h     | 6 +++---
 slirp/slirp_config.h | 3 ---
 slirp/tcp.h          | 4 +++-
 5 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/slirp/ip.h b/slirp/ip.h
index 59cf4aa918..83fc9cdfbf 100644
--- a/slirp/ip.h
+++ b/slirp/ip.h
@@ -33,7 +33,9 @@
 #ifndef IP_H
 #define IP_H
 
-#ifdef HOST_WORDS_BIGENDIAN
+#include <glib.h>
+
+#if G_BYTE_ORDER == G_BIG_ENDIAN
 # undef NTOHL
 # undef NTOHS
 # undef HTONL
@@ -69,7 +71,7 @@ typedef uint32_t n_long;                 /* long as received 
from the net */
  * Structure of an internet header, naked of options.
  */
 struct ip {
-#ifdef HOST_WORDS_BIGENDIAN
+#if G_BYTE_ORDER == G_BIG_ENDIAN
        uint8_t ip_v:4,                 /* version */
                ip_hl:4;                /* header length */
 #else
@@ -135,7 +137,7 @@ struct      ip_timestamp {
        uint8_t ipt_code;               /* IPOPT_TS */
        uint8_t ipt_len;                /* size of structure (variable) */
        uint8_t ipt_ptr;                /* index of current entry */
-#ifdef HOST_WORDS_BIGENDIAN
+#if G_BYTE_ORDER == G_BIG_ENDIAN
        uint8_t ipt_oflw:4,             /* overflow counter */
                ipt_flg:4;              /* flags, see below */
 #else
diff --git a/slirp/ip6.h b/slirp/ip6.h
index b1bea43b3c..14e9c78735 100644
--- a/slirp/ip6.h
+++ b/slirp/ip6.h
@@ -6,6 +6,7 @@
 #ifndef SLIRP_IP6_H
 #define SLIRP_IP6_H
 
+#include <glib.h>
 #include "net/eth.h"
 
 #define ALLNODES_MULTICAST  { .s6_addr = \
@@ -113,7 +114,7 @@ static inline void in6_compute_ethaddr(struct in6_addr ip,
  * Structure of an internet header, naked of options.
  */
 struct ip6 {
-#ifdef HOST_WORDS_BIGENDIAN
+#if G_BYTE_ORDER == G_BIG_ENDIAN
     uint32_t
         ip_v:4,         /* version */
         ip_tc_hi:4,     /* traffic class */
diff --git a/slirp/ip6_icmp.h b/slirp/ip6_icmp.h
index b3378b17b5..32b0914055 100644
--- a/slirp/ip6_icmp.h
+++ b/slirp/ip6_icmp.h
@@ -34,7 +34,7 @@ struct ndp_rs {     /* Router Solicitation Message */
 
 struct ndp_ra {     /* Router Advertisement Message */
     uint8_t chl;    /* Cur Hop Limit */
-#ifdef HOST_WORDS_BIGENDIAN
+#if G_BYTE_ORDER == G_BIG_ENDIAN
     uint8_t
         M:1,
         O:1,
@@ -56,7 +56,7 @@ struct ndp_ns {     /* Neighbor Solicitation Message */
 } QEMU_PACKED;
 
 struct ndp_na {     /* Neighbor Advertisement Message */
-#ifdef HOST_WORDS_BIGENDIAN
+#if G_BYTE_ORDER == G_BIG_ENDIAN
     uint32_t
         R:1,                /* Router Flag */
         S:1,                /* Solicited Flag */
@@ -125,7 +125,7 @@ struct ndpopt {
 #define ndpopt_linklayer ndpopt_body.linklayer_addr
         struct prefixinfo {                     /* Prefix Information */
             uint8_t     prefix_length;
-#ifdef HOST_WORDS_BIGENDIAN
+#if G_BYTE_ORDER == G_BIG_ENDIAN
             uint8_t     L:1, A:1, reserved1:6;
 #else
             uint8_t     reserved1:6, A:1, L:1;
diff --git a/slirp/slirp_config.h b/slirp/slirp_config.h
index 5126711849..b2def6d20c 100644
--- a/slirp/slirp_config.h
+++ b/slirp/slirp_config.h
@@ -11,8 +11,5 @@
  * You shouldn't need to touch any of these
  */
 
-/* Define if the machine is big endian */
-//#undef HOST_WORDS_BIGENDIAN
-
 /* Define to sizeof(char *) */
 #define SIZEOF_CHAR_P (HOST_LONG_BITS / 8)
diff --git a/slirp/tcp.h b/slirp/tcp.h
index 174d3d960c..47aaea6c5b 100644
--- a/slirp/tcp.h
+++ b/slirp/tcp.h
@@ -33,6 +33,8 @@
 #ifndef TCP_H
 #define TCP_H
 
+#include <glib.h>
+
 typedef        uint32_t tcp_seq;
 
 #define      PR_SLOWHZ       2               /* 2 slow timeouts per second 
(approx) */
@@ -51,7 +53,7 @@ struct tcphdr {
        uint16_t th_dport;              /* destination port */
        tcp_seq th_seq;                 /* sequence number */
        tcp_seq th_ack;                 /* acknowledgement number */
-#ifdef HOST_WORDS_BIGENDIAN
+#if G_BYTE_ORDER == G_BIG_ENDIAN
        uint8_t th_off:4,               /* data offset */
                th_x2:4;                /* (unused) */
 #else
-- 
2.20.1