* modules/calloc: New file.

[gnulib.git] / lib / calloc.c

diff --git a/lib/calloc.c b/lib/calloc.c
new file mode 100644 (file)
index 0000000..2a9e6fa
--- /dev/null
+++ b/lib/calloc.c
@@ -0,0 +1,39 @@
+/* Work around the condition whereby calloc (n, s) fails when n*s is 0.
+   This wrapper function is required at least on Tru64 UNIX 5.1.
+   Copyright (C) 2004 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.  */
+
+/* written by Jim Meyering */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+#undef calloc
+
+#include <stdlib.h>
+
+/* Allocate and zero-fill an NxS-byte block of memory from the heap.
+   If N or S is zero, allocate and zero-fill a 1-byte block.  */
+
+void *
+rpl_calloc (size_t n, size_t s)
+{
+  if (n == 0)
+    n = 1;
+  if (s == 0)
+    s = 1;
+  return calloc (n, s);
+}