aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.2.1-5666.3/libiberty/calloc.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.2.1-5666.3/libiberty/calloc.c')
-rw-r--r--gcc-4.2.1-5666.3/libiberty/calloc.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/libiberty/calloc.c b/gcc-4.2.1-5666.3/libiberty/calloc.c
new file mode 100644
index 000000000..f4bd27b1c
--- /dev/null
+++ b/gcc-4.2.1-5666.3/libiberty/calloc.c
@@ -0,0 +1,34 @@
+/* calloc -- allocate memory which has been initialized to zero.
+ This function is in the public domain. */
+
+/*
+
+@deftypefn Supplemental void* calloc (size_t @var{nelem}, size_t @var{elsize})
+
+Uses @code{malloc} to allocate storage for @var{nelem} objects of
+@var{elsize} bytes each, then zeros the memory.
+
+@end deftypefn
+
+*/
+
+#include "ansidecl.h"
+#include <stddef.h>
+
+/* For systems with larger pointers than ints, this must be declared. */
+PTR malloc (size_t);
+void bzero (PTR, size_t);
+
+PTR
+calloc (size_t nelem, size_t elsize)
+{
+ register PTR ptr;
+
+ if (nelem == 0 || elsize == 0)
+ nelem = elsize = 1;
+
+ ptr = malloc (nelem * elsize);
+ if (ptr) bzero (ptr, nelem * elsize);
+
+ return ptr;
+}