X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fmalloc.c;h=ef07f6c4279acef0dc5b6a002ef9713fc5f446bc;hb=69dba6d784566248205fc990673c14d259c4907f;hp=b859e586ece076111cc6bf87c79d57797c235505;hpb=4ca3cda4d8b0ee2c49ceae7e9b13f4d3b37f139f;p=gnulib.git diff --git a/lib/malloc.c b/lib/malloc.c index b859e586e..ef07f6c42 100644 --- a/lib/malloc.c +++ b/lib/malloc.c @@ -1,5 +1,6 @@ -/* Work around bug on some systems where malloc (0) fails. - Copyright (C) 1997 Free Software Foundation, Inc. +/* malloc() function that is glibc compatible. + + Copyright (C) 1997-1998, 2006-2007, 2009-2011 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -13,27 +14,44 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/* written by Jim Meyering */ - -#if HAVE_CONFIG_H -# include + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* written by Jim Meyering and Bruno Haible */ + +#define _GL_USE_STDLIB_ALLOC 1 +#include +/* Only the AC_FUNC_MALLOC macro defines 'malloc' already in config.h. */ +#ifdef malloc +# define NEED_MALLOC_GNU 1 +# undef malloc +/* Whereas the gnulib module 'malloc-gnu' defines HAVE_MALLOC_GNU. */ +#elif GNULIB_MALLOC_GNU && !HAVE_MALLOC_GNU +# define NEED_MALLOC_GNU 1 #endif -#undef malloc -#include +#include -char *malloc (); +#include /* Allocate an N-byte block of memory from the heap. If N is zero, allocate a 1-byte block. */ -char * -rpl_malloc (n) - size_t n; +void * +rpl_malloc (size_t n) { + void *result; + +#if NEED_MALLOC_GNU if (n == 0) n = 1; - return malloc (n); +#endif + + result = malloc (n); + +#if !HAVE_MALLOC_POSIX + if (result == NULL) + errno = ENOMEM; +#endif + + return result; }