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check: Don't check for malloc/realloc and try to fallback

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When malloc is not available, this will set #define malloc rpl_malloc
which is implemented only inside libcheck, and not everything will link
to libcheck.

We don't really need to care too much about how malloc is implemented
and we don't care about platforms that don't implement malloc.
This commit is contained in:
Nirbheek Chauhan 2016-12-09 17:59:53 +05:30
parent 958d791d3c
commit e60bd6c662
7 changed files with 10 additions and 123 deletions
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2
config.h.meson
View file

@ -441,8 +441,6 @@
#mesondefine HAVE_UNWIND
#mesondefine HAVE_DW
#mesondefine HAVE_BACKTRACE
#mesondefine HAVE_MALLOC
#mesondefine HAVE_REALLOC
#mesondefine HAVE_GETTIMEOFDAY
#mesondefine HAVE_GETLINE
#mesondefine STRUCT_TIMESPEC_DEFINITION_MISSING

23
libs/gst/check/libcheck/Makefile.am
View file

@ -30,29 +30,10 @@ if !HAVE_LOCALTIME_R
CFILES += libcompat/localtime_r.c
endif
if !HAVE_MALLOC
CFILES += libcompat/malloc.c
endif
if !HAVE_REALLOC
CFILES += libcompat/realloc.c
endif
if !HAVE_STRSIGNAL
CFILES += libcompat/strsignal.c
endif
# If either vsnprintf or snprintf is unavailable
# XXX: Commented out because none of our supported platforms need it yet and the
# check is a bit involved. No use slowing everyone down for this yet.
#if !HAVE_VSNPRINTF
#CFILES += libcompat/snprintf.c
#else
#if !HAVE_SNPRINTF
#CFILES += libcompat/snprintf.c
#endif
#endif
if !HAVE_STRDUP
CFILES += libcompat/strdup.c
endif
@ -95,5 +76,5 @@ libcheckinternal_la_CFLAGS += -D_GNU_SOURCE
endif
# Don't want libcompat to think we don't have these and substitute replacements
# See the commented-out vsnprintf/snprintf CFILES stuff above
libcheckinternal_la_CFLAGS += -DHAVE_SNPRINTF -DHAVE_VSNPRINTF
# See libcompat/libcompat.h
libcheckinternal_la_CFLAGS += -DHAVE_SNPRINTF -DHAVE_VSNPRINTF -DHAVE_MALLOC -DHAVE_REALLOC

6
libs/gst/check/libcheck/README.txt
View file

@ -11,6 +11,12 @@ those in the lib/ directory upstream.
lib/snprintf.c was omitted since we don't run on any platforms that don't
provide snprintf and the upstream implementation is ~2000 lines.
lib/malloc.c and lib/realloc.c were omitted since we were doing fine without
them and it does a #define malloc rpl_malloc on Android because the malloc
shipped with Bionic is not GNU-compliant. rpl_malloc is provided by libcheck,
but not everything in gstreamer links against libcheck. We also don't care
about this.
Steps to sync with upstream:
1. Clone libcheck from the above git repository

41
libs/gst/check/libcheck/libcompat/malloc.c
View file

@ -1,41 +0,0 @@
/*
* Check: a unit test framework for C
* Copyright (C) 2001, 2002 Arien Malec
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
/*
* AC_FUNC_MALLOC in configure defines malloc to rpl_malloc if
* malloc (0) is NULL to provide GNU compatibility
*/
#include "libcompat.h"
/* malloc has been defined to rpl_malloc, so first undo that */
#undef malloc
/* this gives us the real malloc to use below */
void *malloc (size_t n);
/* force malloc(0) to return a valid pointer */
void *
rpl_malloc (size_t n)
{
if (n == 0)
n = 1;
return malloc (n);
}

44
libs/gst/check/libcheck/libcompat/realloc.c
View file

@ -1,44 +0,0 @@
/*
* Check: a unit test framework for C
* Copyright (C) 2001, 2002 Arien Malec
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
/*
* AC_FUNC_REALLOC in configure defines realloc to rpl_realloc if
* realloc (p, 0) or realloc (0, n) is NULL to provide GNU
* compatibility
*/
#include "libcompat.h"
/* realloc has been defined to rpl_realloc, so first undo that */
#undef realloc
/* this gives us the real realloc to use below */
void *realloc (void *p, size_t n);
/* force realloc(p, 0) and realloc (NULL, n) to return a valid pointer */
void *
rpl_realloc (void *p, size_t n)
{
if (n == 0)
n = 1;
if (p == 0)
return malloc (n);
return realloc (p, n);
}

12
libs/gst/check/libcheck/meson.build
View file

@ -27,14 +27,6 @@ if not cdata.has('HAVE_DECL_LOCALTIME_R')
libcheck_files += ['libcompat/localtime_r.c']
endif
if not cdata.has('HAVE_MALLOC')
libcheck_files += ['libcompat/malloc.c']
endif
if not cdata.has('HAVE_REALLOC')
libcheck_files += ['libcompat/realloc.c']
endif
if not cdata.has('HAVE_DECL_STRSIGNAL')
libcheck_files += ['libcompat/strsignal.c']
endif
@ -68,6 +60,6 @@ libcheck = static_library('check',
dependencies : [rt_lib, mathlib],
c_args: gst_c_args +
# Don't want libcompat to think we don't have these and substitute
# replacements since we don't check for or define these.
['-DHAVE_VSNPRINTF', '-DHAVE_SNPRINTF'],
# replacements since we don't check for or define these. See libcompat.h
['-DHAVE_VSNPRINTF', '-DHAVE_SNPRINTF', '-DHAVE_MALLOC', '-DHAVE_REALLOC'],
pic: true)

5
m4/check-checks.m4
View file

@ -18,11 +18,6 @@ AC_SUBST(CHECK_VERSION)
dnl Checks for header files and declarations
AC_CHECK_HEADERS([unistd.h sys/wait.h sys/time.h], [], [], [AC_INCLUDES_DEFAULT])
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AM_CONDITIONAL(HAVE_MALLOC, test "x$ac_cv_func_malloc" = "xyes")
AM_CONDITIONAL(HAVE_REALLOC, test "x$ac_cv_func_realloc" = "xyes")
dnl Check for localtime_r()
AC_CHECK_FUNCS([localtime_r])
AM_CONDITIONAL(HAVE_LOCALTIME_R, test "x$ac_cv_func_localtime_r" = "xyes")