libiberty/calloc.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29

/* calloc -- allocate memory which has been initialized to zero.
   This function is in the public domain. */
 
#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;
}