NetBSD/external/gpl3/gcc/dist/libiberty/calloc.c
mrg 4fee23f98c initial import of GCC 4.5.3 sources. changes since 4.1 are way too numerous
to review, please see http://gcc.gnu.org/gcc-4.5/changes.html (and the 4.2,
4.3 and 4.4 versions, too.)

this includes the core, c++, objc and the non java/ada/fortran parts of the
testsuite.
2011-06-21 01:19:41 +00:00

35 lines
714 B
C

/* 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;
}