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libitize

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This commit is contained in:
Jim Meyering
1996-10-17 01:58:19 +00:00
parent e98991ee51
commit 12b4578595
1 changed files with 33 additions and 7 deletions
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40
lib/xmalloc.c
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@@ -1,5 +1,5 @@
/* xmalloc.c -- malloc with out of memory checking
Copyright (C) 1990, 91, 92, 93, 94 Free Software Foundation, Inc.
Copyright (C) 1990, 91, 92, 93, 94, 95, 96 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
@@ -15,7 +15,7 @@
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifdef HAVE_CONFIG_H
#if HAVE_CONFIG_H
# include <config.h>
#endif
@@ -30,23 +30,35 @@
#if STDC_HEADERS
# include <stdlib.h>
#else
VOID *calloc ();
VOID *malloc ();
VOID *realloc ();
void free ();
#endif
/* This is for other GNU distributions with internationalized messages.
The GNU C Library itself does not yet support such messages. */
#if HAVE_LIBINTL_H
#if ENABLE_NLS
# include <libintl.h>
# define _(Text) gettext (Text)
#else
# define gettext(msgid) (msgid)
# define textdomain(Domain)
# define _(Text) Text
#endif
#include "error.h"
#ifndef EXIT_FAILURE
# define EXIT_FAILURE 1
#endif
/* Prototypes for functions defined here. */
#if defined (__STDC__) && __STDC__
static VOID *fixup_null_alloc (size_t n);
VOID *xmalloc (size_t n);
VOID *xcalloc (size_t n, size_t s);
VOID *xrealloc (VOID *p, size_t n);
#endif
/* 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;
@@ -67,7 +79,7 @@ fixup_null_alloc (n)
if (n == 0)
p = malloc ((size_t) 1);
if (p == 0)
error (xmalloc_exit_failure, 0, gettext ("Memory exhausted"));
error (xmalloc_exit_failure, 0, _("Memory exhausted"));
return p;
}
@@ -85,6 +97,20 @@ xmalloc (n)
return p;
}
/* Allocate memory for N elements of S bytes, with error checking. */
VOID *
xcalloc (n, s)
size_t n, s;
{
VOID *p;
p = calloc (n, s);
if (p == 0)
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. */