2003-03-11 Aldy Hernandez <aldyh@redhat.com>
[official-gcc.git] / libiberty / calloc.c
blobb342f6c1b3b54633cb53822cbd9e57368a54df75
1 /* calloc -- allocate memory which has been initialized to zero.
2 This function is in the public domain. */
4 /*
6 @deftypefn Supplemental void* calloc (size_t @var{nelem}, size_t @var{elsize})
8 Uses @code{malloc} to allocate storage for @var{nelem} objects of
9 @var{elsize} bytes each, then zeros the memory.
11 @end deftypefn
15 #include "ansidecl.h"
16 #include "libiberty.h"
18 #ifdef ANSI_PROTOTYPES
19 #include <stddef.h>
20 #else
21 #define size_t unsigned long
22 #endif
24 /* For systems with larger pointers than ints, this must be declared. */
25 PTR malloc PARAMS ((size_t));
27 PTR
28 calloc (nelem, elsize)
29 size_t nelem, elsize;
31 register PTR ptr;
33 if (nelem == 0 || elsize == 0)
34 nelem = elsize = 1;
36 ptr = malloc (nelem * elsize);
37 if (ptr) bzero (ptr, nelem * elsize);
39 return ptr;