File: calloc.c

package info (click to toggle)
gnat-gdb 6.4%2B2006-2
  • links: PTS
  • area: main
  • in suites: etch, etch-m68k
  • size: 107,516 kB
  • ctags: 157,025
  • sloc: ansic: 1,298,186; exp: 70,590; asm: 48,893; makefile: 42,774; sh: 18,949; yacc: 9,525; cpp: 5,228; perl: 5,022; lisp: 1,036; lex: 638; pascal: 617; sed: 194; awk: 142; objc: 134; ada: 108; java: 47; fortran: 30
file content (34 lines) | stat: -rw-r--r-- 714 bytes parent folder | download | duplicates (79) 
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
30
31
32
33
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;
}