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-rw-r--r--locale/programs/xmalloc.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/locale/programs/xmalloc.c b/locale/programs/xmalloc.c
new file mode 100644
index 0000000000..2680b8a160
--- /dev/null
+++ b/locale/programs/xmalloc.c
@@ -0,0 +1,111 @@
+/* xmalloc.c -- malloc with out of memory checking
+ Copyright (C) 1990, 91, 92, 93, 94, 95 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. */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#if __STDC__
+#define VOID void
+#else
+#define VOID char
+#endif
+
+#include <sys/types.h>
+
+#if STDC_HEADERS || _LIBC
+#include <stdlib.h>
+#else
+VOID *calloc ();
+VOID *malloc ();
+VOID *realloc ();
+void free ();
+#endif
+
+#include <libintl.h>
+#include "error.h"
+
+#ifndef _
+# define _(str) gettext (str)
+#endif
+
+#ifndef EXIT_FAILURE
+#define EXIT_FAILURE 4
+#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;
+
+static VOID *
+fixup_null_alloc (n)
+ size_t n;
+{
+ VOID *p;
+
+ p = 0;
+ if (n == 0)
+ p = malloc ((size_t) 1);
+ if (p == 0)
+ error (xmalloc_exit_failure, 0, _("memory exhausted"));
+ return p;
+}
+
+/* Allocate N bytes of memory dynamically, with error checking. */
+
+VOID *
+xmalloc (n)
+ size_t n;
+{
+ VOID *p;
+
+ p = malloc (n);
+ if (p == 0)
+ p = fixup_null_alloc (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. */
+
+VOID *
+xrealloc (p, n)
+ VOID *p;
+ size_t n;
+{
+ if (p == 0)
+ return xmalloc (n);
+ p = realloc (p, n);
+ if (p == 0)
+ p = fixup_null_alloc (n);
+ return p;
+}