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Add proper check for existance of struct sockaddr member sa_len.

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Patrik Stridvall 2001-07-08 22:30:50 +00:00 committed by Alexandre Julliard
parent 207e1c18ac
commit 09da966c8c
4 changed files with 69 additions and 17 deletions
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57
configure vendored
View File

@ -6840,9 +6840,9 @@ EOF
fi
echo $ac_n "checking "for sun_len in struct sockaddr_un"""... $ac_c" 1>&6
echo "configure:6845: checking "for sun_len in struct sockaddr_un"" >&5
if eval "test \"`echo '$''{'ac_cv_c_sun_len'+set}'`\" = set"; then
echo $ac_n "checking "for sa_len in struct sockaddr"""... $ac_c" 1>&6
echo "configure:6845: checking "for sa_len in struct sockaddr"" >&5
if eval "test \"`echo '$''{'ac_cv_c_sockaddr_sa_len'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
@ -6850,25 +6850,62 @@ else
#include "confdefs.h"
#include <sys/types.h>
#include <sys/socket.h>
int main() {
static struct sockaddr addr; addr.sa_len = 1
; return 0; }
EOF
if { (eval echo configure:6859: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_c_sockaddr_sa_len="yes"
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -rf conftest*
ac_cv_c_sockaddr_sa_len="no"
fi
rm -f conftest*
fi
echo "$ac_t""$ac_cv_c_sockaddr_sa_len" 1>&6
if test "$ac_cv_c_sockaddr_sa_len" = "yes"
then
cat >> confdefs.h <<\EOF
#define HAVE_SOCKADDR_SA_LEN 1
EOF
fi
echo $ac_n "checking "for sun_len in struct sockaddr_un"""... $ac_c" 1>&6
echo "configure:6882: checking "for sun_len in struct sockaddr_un"" >&5
if eval "test \"`echo '$''{'ac_cv_c_sockaddr_sun_len'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 6887 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
int main() {
static struct sockaddr_un addr; addr.sun_len = 1
; return 0; }
EOF
if { (eval echo configure:6859: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:6896: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_c_sun_len="yes"
ac_cv_c_sockaddr_sun_len="yes"
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -rf conftest*
ac_cv_c_sun_len="no"
ac_cv_c_sockaddr_sun_len="no"
fi
rm -f conftest*
fi
echo "$ac_t""$ac_cv_c_sun_len" 1>&6
if test "$ac_cv_c_sun_len" = "yes"
echo "$ac_t""$ac_cv_c_sockaddr_sun_len" 1>&6
if test "$ac_cv_c_sockaddr_sun_len" = "yes"
then
cat >> confdefs.h <<\EOF
#define HAVE_SOCKADDR_SUN_LEN 1
@ -6878,12 +6915,12 @@ fi
echo $ac_n "checking "whether we need to define __i386__"""... $ac_c" 1>&6
echo "configure:6882: checking "whether we need to define __i386__"" >&5
echo "configure:6919: checking "whether we need to define __i386__"" >&5
if eval "test \"`echo '$''{'ac_cv_cpp_def_i386'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 6887 "configure"
#line 6924 "configure"
#include "confdefs.h"
#if (defined(i386) || defined(__i386)) && !defined(__i386__)
yes

18
configure.in
View File

@ -1154,14 +1154,26 @@ then
AC_DEFINE(HAVE_MSGHDR_ACCRIGHTS, 1, [Define if struct msghdr contains msg_accrights])
fi
dnl *** Check for the sa_len member in struct sockaddr
AC_CACHE_CHECK("for sa_len in struct sockaddr", ac_cv_c_sockaddr_sa_len,
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/socket.h>
], [static struct sockaddr addr; addr.sa_len = 1],
ac_cv_c_sockaddr_sa_len="yes", ac_cv_c_sockaddr_sa_len="no"))
if test "$ac_cv_c_sockaddr_sa_len" = "yes"
then
AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1, [Define if struct sockaddr contains sa_len])
fi
dnl *** Check for the sun_len member in struct sockaddr_un
AC_CACHE_CHECK("for sun_len in struct sockaddr_un", ac_cv_c_sun_len,
AC_CACHE_CHECK("for sun_len in struct sockaddr_un", ac_cv_c_sockaddr_sun_len,
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>], [static struct sockaddr_un addr; addr.sun_len = 1],
ac_cv_c_sun_len="yes", ac_cv_c_sun_len="no"))
if test "$ac_cv_c_sun_len" = "yes"
ac_cv_c_sockaddr_sun_len="yes", ac_cv_c_sockaddr_sun_len="no"))
if test "$ac_cv_c_sockaddr_sun_len" = "yes"
then
AC_DEFINE(HAVE_SOCKADDR_SUN_LEN, 1, [Define if struct sockaddr_un contains sun_len])
fi

8
dlls/rpcrt4/rpcrt4_main.c
View File

@ -105,7 +105,7 @@ RPC_STATUS WINAPI UuidCreate(UUID *Uuid)
* However, under earlier systems, sa_len isn't present, so
* the size is just sizeof(struct ifreq)
*/
#ifdef HAVE_SA_LEN
#ifdef HAVE_SOCKADDR_SA_LEN
# ifndef max
# define max(a,b) ((a) > (b) ? (a) : (b))
# endif
@ -113,8 +113,8 @@ RPC_STATUS WINAPI UuidCreate(UUID *Uuid)
sizeof((i).ifr_name)+(i).ifr_addr.sa_len)
# else
# define ifreq_size(i) sizeof(struct ifreq)
# endif /* HAVE_SA_LEN */
# endif /* defined(HAVE_SOCKADDR_SA_LEN) */
sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
if (sd < 0) {
/* if we can't open a socket, just use random numbers */
@ -143,7 +143,7 @@ sizeof((i).ifr_name)+(i).ifr_addr.sa_len)
} else {
/* loop through the interfaces, looking for a valid one */
n = ifc.ifc_len;
for (i = 0; i < n; i+= ifreq_size(*ifr) ) {
for (i = 0; i < n; i+= ifreq_size(ifr) ) {
ifrp = (struct ifreq *)((char *) ifc.ifc_buf+i);
strncpy(ifr.ifr_name, ifrp->ifr_name, IFNAMSIZ);
/* try to get the address for this interface */

3
include/config.h.in
View File

@ -520,6 +520,9 @@
/* Define if struct msghdr contains msg_accrights */
#undef HAVE_MSGHDR_ACCRIGHTS
/* Define if struct sockaddr contains sa_len */
#undef HAVE_SOCKADDR_SA_LEN
/* Define if struct sockaddr_un contains sun_len */
#undef HAVE_SOCKADDR_SUN_LEN