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| author | Dariusz Michaluk <d.michaluk@samsung.com> | 2024-02-13 15:44:51 +0100 |
|---|---|---|
| committer | Dariusz Michaluk <d.michaluk@samsung.com> | 2024-02-14 10:46:44 +0100 |
| commit | c28e9eeaa4dccef63b3b237ebe8a8b5abb23e335 (patch) | |
| tree | 504a1953b56446487f4759d3a5f348bbeb925461 /src/gl/m4/realloc.m4 | |
| parent | 1778d37a3eec1209d7c9c064318f3ff8c5132490 (diff) | |
| parent | 031996ef501f8c3d0532f7df1c38cf2e540a4f11 (diff) | |
| download | libtasn1-accepted/tizen_unified.tar.gz libtasn1-accepted/tizen_unified.tar.bz2 libtasn1-accepted/tizen_unified.zip | |
Upgrade to libtasn1 4.19.0HEADaccepted/tizen/unified/20240214.164006tizenaccepted/tizen_unified
Change-Id: I893fd2c90c487d6e13b0b10e25b2cafc408da180
Diffstat (limited to 'src/gl/m4/realloc.m4')
| -rw-r--r-- | src/gl/m4/realloc.m4 | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/gl/m4/realloc.m4 b/src/gl/m4/realloc.m4 new file mode 100644 index 0000000..86e57c2 --- /dev/null +++ b/src/gl/m4/realloc.m4 @@ -0,0 +1,63 @@ +# realloc.m4 serial 26 +dnl Copyright (C) 2007, 2009-2022 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# This is adapted with modifications from upstream Autoconf here: +# https://git.savannah.gnu.org/cgit/autoconf.git/tree/lib/autoconf/functions.m4?id=v2.70#n1455 +AC_DEFUN([_AC_FUNC_REALLOC_IF], +[ + AC_REQUIRE([AC_CANONICAL_HOST])dnl for cross-compiles + AC_CACHE_CHECK([whether realloc (0, 0) returns nonnull], + [ac_cv_func_realloc_0_nonnull], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <stdlib.h> + ]], + [[void *p = realloc (0, 0); + int result = !p; + free (p); + return result;]]) + ], + [ac_cv_func_realloc_0_nonnull=yes], + [ac_cv_func_realloc_0_nonnull=no], + [case "$host_os" in + # Guess yes on platforms where we know the result. + *-gnu* | freebsd* | netbsd* | openbsd* | bitrig* \ + | gnu* | *-musl* | midnightbsd* \ + | hpux* | solaris* | cygwin* | mingw* | msys* ) + ac_cv_func_realloc_0_nonnull="guessing yes" ;; + # If we don't know, obey --enable-cross-guesses. + *) ac_cv_func_realloc_0_nonnull="$gl_cross_guess_normal" ;; + esac + ]) + ]) + AS_CASE([$ac_cv_func_realloc_0_nonnull], [*yes], [$1], [$2]) +])# AC_FUNC_REALLOC + +# gl_FUNC_REALLOC_GNU +# ------------------- +# Replace realloc if it is not compatible with GNU libc. +AC_DEFUN([gl_FUNC_REALLOC_GNU], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + AC_REQUIRE([gl_FUNC_REALLOC_POSIX]) + if test $REPLACE_REALLOC_FOR_REALLOC_GNU = 0; then + _AC_FUNC_REALLOC_IF([], [REPLACE_REALLOC_FOR_REALLOC_GNU=1]) + fi +])# gl_FUNC_REALLOC_GNU + +# gl_FUNC_REALLOC_POSIX +# --------------------- +# Test whether 'realloc' is POSIX compliant (sets errno to ENOMEM when it +# fails, and doesn't mess up with ptrdiff_t overflow), +# and replace realloc if it is not. +AC_DEFUN([gl_FUNC_REALLOC_POSIX], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + AC_REQUIRE([gl_FUNC_MALLOC_POSIX]) + if test $REPLACE_MALLOC_FOR_MALLOC_POSIX = 1; then + REPLACE_REALLOC_FOR_REALLOC_POSIX=1 + fi +]) |