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Handle draft version of getpwuid_r() that accepts only four arguments.

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Backpatch to 7.4.X.  Required for Solaris 7 & 8.
This commit is contained in:
Bruce Momjian 2004-03-20 15:39:27 +00:00
parent 6c7e6d2baa
commit aaf54d99f0
5 changed files with 96 additions and 6 deletions
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25
config/c-library.m4
View File

@ -1,5 +1,5 @@
# Macros that test various C library quirks
# $PostgreSQL: pgsql/config/c-library.m4,v 1.24 2003/11/29 19:51:17 pgsql Exp $
# $PostgreSQL: pgsql/config/c-library.m4,v 1.25 2004/03/20 15:39:27 momjian Exp $
# PGAC_VAR_INT_TIMEZONE
@ -73,6 +73,29 @@ AH_VERBATIM(GETTIMEOFDAY_1ARG_,
])# PGAC_FUNC_GETTIMEOFDAY_1ARG
# PGAC_FUNC_GETPWUID_R_5ARG
# ---------------------------
# Check if getpwuid_r() takes a fifth argument (later POSIX standard, not draft version)
# If so, define GETPWUID_R_5ARG
AC_DEFUN([PGAC_FUNC_GETPWUID_R_5ARG],
[AC_CACHE_CHECK(whether getpwuid_r takes a fifth argument,
pgac_func_getpwuid_r_5arg,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <pwd.h>],
[uid_t uid;
struct passwd *space;
char *buf;
size_t bufsize;
struct passwd **result;
getpwuid_r(uid, space, buf, bufsize, result);],
[pgac_func_getpwuid_r_5arg=yes],
[pgac_func_getpwuid_r_5arg=no])])
if test x"$pgac_func_getpwuid_r_5arg" = xyes ; then
AC_DEFINE(GETPWUID_R_5ARG,, [Define to 1 if getpwuid_r() takes a 5th argument.])
fi
])# PGAC_FUNC_GETPWUID_R_5ARG
# PGAC_UNION_SEMUN
# ----------------
# Check if `union semun' exists. Define HAVE_UNION_SEMUN if so.

59
configure vendored
View File

@ -13247,6 +13247,65 @@ cat >>confdefs.h <<\_ACEOF
#define GETPWUID_THREADSAFE 1
_ACEOF
else echo "$as_me:$LINENO: checking whether getpwuid_r takes a fifth argument" >&5
echo $ECHO_N "checking whether getpwuid_r takes a fifth argument... $ECHO_C" >&6
if test "${pgac_func_getpwuid_r_5arg+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <pwd.h>
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
# endif
int F77_DUMMY_MAIN() { return 1; }
#endif
int
main ()
{
uid_t uid;
struct passwd *space;
char *buf;
size_t bufsize;
struct passwd **result;
getpwuid_r(uid, space, buf, bufsize, result);
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
pgac_func_getpwuid_r_5arg=yes
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
pgac_func_getpwuid_r_5arg=no
fi
rm -f conftest.$ac_objext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: $pgac_func_getpwuid_r_5arg" >&5
echo "${ECHO_T}$pgac_func_getpwuid_r_5arg" >&6
if test x"$pgac_func_getpwuid_r_5arg" = xyes ; then
cat >>confdefs.h <<\_ACEOF
#define GETPWUID_R_5ARG
_ACEOF
fi
fi
if test "$enable_thread_safety" = yes -a "$GETHOSTBYNAME_THREADSAFE" = yes ; then

3
configure.in
View File

@ -1,5 +1,5 @@
dnl Process this file with autoconf to produce a configure script.
dnl $PostgreSQL: pgsql/configure.in,v 1.319 2004/03/09 22:40:10 momjian Exp $
dnl $PostgreSQL: pgsql/configure.in,v 1.320 2004/03/20 15:39:27 momjian Exp $
dnl
dnl Developers, please strive to achieve this order:
dnl
@ -999,6 +999,7 @@ AC_DEFINE(STRERROR_THREADSAFE, 1, [Define if strerror is not thread safe])
fi
if test "$enable_thread_safety" = yes -a "$GETPWUID_THREADSAFE" = yes ; then
AC_DEFINE(GETPWUID_THREADSAFE, 1, [Define if getpwuid is not thread safe])
else PGAC_FUNC_GETPWUID_R_5ARG
fi
if test "$enable_thread_safety" = yes -a "$GETHOSTBYNAME_THREADSAFE" = yes ; then
AC_DEFINE(GETHOSTBYNAME_THREADSAFE, 1, [Define if gethostbyname is not thread safe])

3
src/include/pg_config.h.in
View File

@ -46,6 +46,9 @@
/* Define if gethostbyname is not thread safe */
#undef GETHOSTBYNAME_THREADSAFE
/* Define to 1 if getpwuid_r() takes a 5th argument. */
#undef GETPWUID_R_5ARG
/* Define if getpwuid is not thread safe */
#undef GETPWUID_THREADSAFE

12
src/port/thread.c
View File

@ -7,7 +7,7 @@
*
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/port/thread.c,v 1.17 2004/03/14 14:01:43 momjian Exp $
* $PostgreSQL: pgsql/src/port/thread.c,v 1.18 2004/03/20 15:39:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -97,13 +97,17 @@ pqGetpwuid(uid_t uid, struct passwd *resultbuf, char *buffer,
size_t buflen, struct passwd **result)
{
#if defined(FRONTEND) && defined(ENABLE_THREAD_SAFETY) && defined(HAVE_GETPWUID_R)
#ifdef GETPWUID_R_5ARG
/* POSIX version */
getpwuid_r(uid, resultbuf, buffer, buflen, result);
#else
/*
* Early POSIX draft of getpwuid_r() returns 'struct passwd *'.
* getpwuid_r(uid, resultbuf, buffer, buflen)
* Do we need to support it? bjm 2003-08-14
*/
/* POSIX version */
getpwuid_r(uid, resultbuf, buffer, buflen, result);
result = getpwuid_r(uid, resultbuf, buffer, buflen);
#endif
#else