From bd7029a99b0c2974265c6665638ef14a052f42ab Mon Sep 17 00:00:00 2001 From: Thomas Guyot-Sionnest Date: Tue, 12 Feb 2008 11:07:18 +0000 Subject: Sync to latest Gnulib git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1925 f882894a-f735-0410-b71e-b25c423dba1c --- gl/m4/malloc.m4 | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 gl/m4/malloc.m4 (limited to 'gl/m4/malloc.m4') diff --git a/gl/m4/malloc.m4 b/gl/m4/malloc.m4 new file mode 100644 index 00000000..764f2a9f --- /dev/null +++ b/gl/m4/malloc.m4 @@ -0,0 +1,41 @@ +# malloc.m4 serial 8 +dnl Copyright (C) 2007 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. + +# gl_FUNC_MALLOC_POSIX +# -------------------- +# Test whether 'malloc' is POSIX compliant (sets errno to ENOMEM when it +# fails), and replace malloc if it is not. +AC_DEFUN([gl_FUNC_MALLOC_POSIX], +[ + AC_REQUIRE([gl_CHECK_MALLOC_POSIX]) + if test $gl_cv_func_malloc_posix = yes; then + HAVE_MALLOC_POSIX=1 + AC_DEFINE([HAVE_MALLOC_POSIX], 1, + [Define if the 'malloc' function is POSIX compliant.]) + else + AC_LIBOBJ([malloc]) + HAVE_MALLOC_POSIX=0 + fi + AC_SUBST([HAVE_MALLOC_POSIX]) +]) + +# Test whether malloc, realloc, calloc are POSIX compliant, +# Set gl_cv_func_malloc_posix to yes or no accordingly. +AC_DEFUN([gl_CHECK_MALLOC_POSIX], +[ + AC_CACHE_CHECK([whether malloc, realloc, calloc are POSIX compliant], + [gl_cv_func_malloc_posix], + [ + dnl It is too dangerous to try to allocate a large amount of memory: + dnl some systems go to their knees when you do that. So assume that + dnl all Unix implementations of the function are POSIX compliant. + AC_TRY_COMPILE([], + [#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ + choke me + #endif + ], [gl_cv_func_malloc_posix=yes], [gl_cv_func_malloc_posix=no]) + ]) +]) -- cgit v1.2.3-74-g34f1