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Test for localtime_r only after including the right MT enabling CFLAGS

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1999-01-11  Sebastian Wilhelmi  <wilhelmi@ira.uka.de>

	* configure.in: Test for localtime_r only after including the
	right MT enabling CFLAGS (i.e. -D_REENTRANT on most systems).

	* gdate.c (g_date_set_time): Emit warning, if no localtime_r
	function is available on thread enabled systems. Define ptm only,
	if really needed, and assert on it.
This commit is contained in:
Sebastian Wilhelmi 1999-01-11 14:41:07 +00:00 committed by Sebastian Wilhelmi
parent f4a2520f38
commit e5e86f8c6c
11 changed files with 97 additions and 9 deletions
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9
ChangeLog
View File

@ -1,3 +1,12 @@
1999-01-11 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* configure.in: Test for localtime_r only after including the
right MT enabling CFLAGS (i.e. -D_REENTRANT on most systems).
* gdate.c (g_date_set_time): Emit warning, if no localtime_r
function is available on thread enabled systems. Define ptm only,
if really needed, and assert on it.
Sat Jan 9 15:08:44 1999 Jeff Garzik <jgarzik@pobox.com> Sat Jan 9 15:08:44 1999 Jeff Garzik <jgarzik@pobox.com>
* testglib.c: * testglib.c:

9
ChangeLog.pre-2-0
View File

@ -1,3 +1,12 @@
1999-01-11 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* configure.in: Test for localtime_r only after including the
right MT enabling CFLAGS (i.e. -D_REENTRANT on most systems).
* gdate.c (g_date_set_time): Emit warning, if no localtime_r
function is available on thread enabled systems. Define ptm only,
if really needed, and assert on it.
Sat Jan 9 15:08:44 1999 Jeff Garzik <jgarzik@pobox.com> Sat Jan 9 15:08:44 1999 Jeff Garzik <jgarzik@pobox.com>
* testglib.c: * testglib.c:

9
ChangeLog.pre-2-10
View File

@ -1,3 +1,12 @@
1999-01-11 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* configure.in: Test for localtime_r only after including the
right MT enabling CFLAGS (i.e. -D_REENTRANT on most systems).
* gdate.c (g_date_set_time): Emit warning, if no localtime_r
function is available on thread enabled systems. Define ptm only,
if really needed, and assert on it.
Sat Jan 9 15:08:44 1999 Jeff Garzik <jgarzik@pobox.com> Sat Jan 9 15:08:44 1999 Jeff Garzik <jgarzik@pobox.com>
* testglib.c: * testglib.c:

9
ChangeLog.pre-2-12
View File

@ -1,3 +1,12 @@
1999-01-11 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* configure.in: Test for localtime_r only after including the
right MT enabling CFLAGS (i.e. -D_REENTRANT on most systems).
* gdate.c (g_date_set_time): Emit warning, if no localtime_r
function is available on thread enabled systems. Define ptm only,
if really needed, and assert on it.
Sat Jan 9 15:08:44 1999 Jeff Garzik <jgarzik@pobox.com> Sat Jan 9 15:08:44 1999 Jeff Garzik <jgarzik@pobox.com>
* testglib.c: * testglib.c:

9
ChangeLog.pre-2-2
View File

@ -1,3 +1,12 @@
1999-01-11 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* configure.in: Test for localtime_r only after including the
right MT enabling CFLAGS (i.e. -D_REENTRANT on most systems).
* gdate.c (g_date_set_time): Emit warning, if no localtime_r
function is available on thread enabled systems. Define ptm only,
if really needed, and assert on it.
Sat Jan 9 15:08:44 1999 Jeff Garzik <jgarzik@pobox.com> Sat Jan 9 15:08:44 1999 Jeff Garzik <jgarzik@pobox.com>
* testglib.c: * testglib.c:

9
ChangeLog.pre-2-4
View File

@ -1,3 +1,12 @@
1999-01-11 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* configure.in: Test for localtime_r only after including the
right MT enabling CFLAGS (i.e. -D_REENTRANT on most systems).
* gdate.c (g_date_set_time): Emit warning, if no localtime_r
function is available on thread enabled systems. Define ptm only,
if really needed, and assert on it.
Sat Jan 9 15:08:44 1999 Jeff Garzik <jgarzik@pobox.com> Sat Jan 9 15:08:44 1999 Jeff Garzik <jgarzik@pobox.com>
* testglib.c: * testglib.c:

9
ChangeLog.pre-2-6
View File

@ -1,3 +1,12 @@
1999-01-11 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* configure.in: Test for localtime_r only after including the
right MT enabling CFLAGS (i.e. -D_REENTRANT on most systems).
* gdate.c (g_date_set_time): Emit warning, if no localtime_r
function is available on thread enabled systems. Define ptm only,
if really needed, and assert on it.
Sat Jan 9 15:08:44 1999 Jeff Garzik <jgarzik@pobox.com> Sat Jan 9 15:08:44 1999 Jeff Garzik <jgarzik@pobox.com>
* testglib.c: * testglib.c:

9
ChangeLog.pre-2-8
View File

@ -1,3 +1,12 @@
1999-01-11 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* configure.in: Test for localtime_r only after including the
right MT enabling CFLAGS (i.e. -D_REENTRANT on most systems).
* gdate.c (g_date_set_time): Emit warning, if no localtime_r
function is available on thread enabled systems. Define ptm only,
if really needed, and assert on it.
Sat Jan 9 15:08:44 1999 Jeff Garzik <jgarzik@pobox.com> Sat Jan 9 15:08:44 1999 Jeff Garzik <jgarzik@pobox.com>
* testglib.c: * testglib.c:

4
configure.in
View File

@ -254,7 +254,7 @@ AC_CHECK_HEADERS(values.h, AC_DEFINE(HAVE_VALUES_H))
AC_CHECK_HEADER(alloca.h, glib_have_alloca_h=yes, glib_have_alloca_h=no) AC_CHECK_HEADER(alloca.h, glib_have_alloca_h=yes, glib_have_alloca_h=no)
# Check for some functions # Check for some functions
AC_CHECK_FUNCS(localtime_r rand_r lstat strerror strsignal memmove vsnprintf vasprintf strcasecmp strncasecmp poll) AC_CHECK_FUNCS(lstat strerror strsignal memmove vsnprintf vasprintf strcasecmp strncasecmp poll)
# Check for sys_errlist # Check for sys_errlist
AC_MSG_CHECKING(for sys_errlist) AC_MSG_CHECKING(for sys_errlist)
@ -717,6 +717,8 @@ AC_SUBST(G_THREAD_LIBS)
CFLAGS="$CFLAGS $G_THREAD_CFLAGS" CFLAGS="$CFLAGS $G_THREAD_CFLAGS"
AC_CHECK_FUNCS(localtime_r rand_r)
dnl ********************************************** dnl **********************************************
dnl *** GDefaultMutex setup and initialization *** dnl *** GDefaultMutex setup and initialization ***
dnl ********************************************** dnl **********************************************

13
gdate.c
View File

@ -790,15 +790,22 @@ g_date_set_time (GDate *d,
GTime time) GTime time)
{ {
time_t t = time; time_t t = time;
struct tm tm, *ptm; struct tm tm;
g_return_if_fail (d != NULL); g_return_if_fail (d != NULL);
#if HAVE_LOCALTIME_R #ifdef HAVE_LOCALTIME_R
localtime_r (&t, &tm); localtime_r (&t, &tm);
#else #else
ptm = localtime (&t); # ifdef G_THREADS_ENABLED
# warning "the `g_date_set_time' function will not be MT-safe"
# warning "because there is no `localtime_r' on your system."
# endif
{
struct tm *ptm = localtime (&t);
g_assert (ptm);
memcpy ((void *) &tm, (void *) ptm, sizeof(struct tm)); memcpy ((void *) &tm, (void *) ptm, sizeof(struct tm));
}
#endif #endif
d->julian = FALSE; d->julian = FALSE;

13
glib/gdate.c
View File

@ -790,15 +790,22 @@ g_date_set_time (GDate *d,
GTime time) GTime time)
{ {
time_t t = time; time_t t = time;
struct tm tm, *ptm; struct tm tm;
g_return_if_fail (d != NULL); g_return_if_fail (d != NULL);
#if HAVE_LOCALTIME_R #ifdef HAVE_LOCALTIME_R
localtime_r (&t, &tm); localtime_r (&t, &tm);
#else #else
ptm = localtime (&t); # ifdef G_THREADS_ENABLED
# warning "the `g_date_set_time' function will not be MT-safe"
# warning "because there is no `localtime_r' on your system."
# endif
{
struct tm *ptm = localtime (&t);
g_assert (ptm);
memcpy ((void *) &tm, (void *) ptm, sizeof(struct tm)); memcpy ((void *) &tm, (void *) ptm, sizeof(struct tm));
}
#endif #endif
d->julian = FALSE; d->julian = FALSE;