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author | Bruno Haible <bruno@clisp.org> | 2003-02-13 21:41:54 +0000 |
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committer | Bruno Haible <bruno@clisp.org> | 2009-06-23 12:09:16 +0200 |
commit | ffc56af188d00f1805647f1560661c13b0ebff84 (patch) | |
tree | 405a46bc837a0feed3dd79a2523d948ba7dd434a /gettext-runtime/lib | |
parent | ae152e40e1781ec8fdb9f3ddf89f9317624ad7fb (diff) | |
download | external_gettext-ffc56af188d00f1805647f1560661c13b0ebff84.zip external_gettext-ffc56af188d00f1805647f1560661c13b0ebff84.tar.gz external_gettext-ffc56af188d00f1805647f1560661c13b0ebff84.tar.bz2 |
Move lib/xmalloc.c to gettext-runtime/lib/xmalloc.c and gettext-tools/lib/xmalloc.c.
Diffstat (limited to 'gettext-runtime/lib')
-rw-r--r-- | gettext-runtime/lib/xmalloc.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/gettext-runtime/lib/xmalloc.c b/gettext-runtime/lib/xmalloc.c new file mode 100644 index 0000000..ed757d2 --- /dev/null +++ b/gettext-runtime/lib/xmalloc.c @@ -0,0 +1,90 @@ +/* xmalloc.c -- malloc with out of memory checking + Copyright (C) 1990-1996, 2000-2002 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 + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program 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 General Public License for more details. + + 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. */ + +#if HAVE_CONFIG_H +# include <config.h> +#endif + +/* Specification. */ +#include "xmalloc.h" + +#include <stdlib.h> + +#include "error.h" +#include "exit.h" +#include "gettext.h" + +#define _(str) gettext (str) + + +/* Exit value when the requested amount of memory is not available. + The caller may set it to some other value. */ +int xmalloc_exit_failure = EXIT_FAILURE; + +static void * +fixup_null_alloc (size_t n) +{ + void *p; + + p = 0; + if (n == 0) + p = malloc ((size_t) 1); + if (p == NULL) + error (xmalloc_exit_failure, 0, _("memory exhausted")); + return p; +} + +/* Allocate N bytes of memory dynamically, with error checking. */ + +void * +xmalloc (size_t n) +{ + void *p; + + p = malloc (n); + if (p == NULL) + p = fixup_null_alloc (n); + return p; +} + +/* Allocate memory for N elements of S bytes, with error checking. */ + +void * +xcalloc (size_t n, size_t s) +{ + void *p; + + p = calloc (n, s); + if (p == NULL) + p = fixup_null_alloc (n); + return p; +} + +/* Change the size of an allocated block of memory P to N bytes, + with error checking. + If P is NULL, run xmalloc. */ + +void * +xrealloc (void *p, size_t n) +{ + if (p == NULL) + return xmalloc (n); + p = realloc (p, n); + if (p == NULL) + p = fixup_null_alloc (n); + return p; +} |