configure.in: Check for calloc.

        * configure.in: Check for calloc.
        * calloc.c: New file.
        * xmalloc.c (xcalloc): New function.

From-SVN: r23642

1 files changed, 26 insertions, 0 deletions

diff --git a/libiberty/calloc.c b/libiberty/calloc.c
new file mode 100644
index 0000000..c8c0a78
--- /dev/null
+++ b/libiberty/calloc.c
@@ -0,0 +1,26 @@
+#include "ansidecl.h"
+#include "libiberty.h"
+ 
+#ifdef ANSI_PROTOTYPES
+#include <stddef.h>
+#else
+#define size_t unsigned long
+#endif
+
+/* For systems with larger pointers than ints, this must be declared.  */
+PTR malloc PARAMS ((size_t));
+
+PTR
+calloc (nelem, elsize)
+  size_t nelem, elsize;
+{
+  register PTR ptr;  
+
+  if (nelem == 0 || elsize == 0)
+    nelem = elsize = 1;
+  
+  ptr = malloc (nelem * elsize);
+  if (ptr) bzero (ptr, nelem * elsize);
+  
+  return ptr;
+}