File: malloc_usable.c

package info (click to toggle)
valgrind 1%3A3.12.0~svn20160714-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 120,428 kB
  • ctags: 70,855
  • sloc: ansic: 674,645; exp: 26,134; xml: 21,574; asm: 7,570; cpp: 7,567; makefile: 7,380; sh: 6,188; perl: 5,855; haskell: 195
file content (20 lines) | stat: -rw-r--r-- 532 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
#include <assert.h>
#include "tests/malloc.h"
#include <stdlib.h>
#include <stdio.h>

int main(void)
{
#  if !defined(VGO_darwin) && !defined(VGO_solaris)
   // Because Memcheck marks any slop as inaccessible, it doesn't round up
   // sizes for malloc_usable_size().
   int* x = malloc(99);

   // XXX: would be better to have a HAVE_MALLOC_USABLE_SIZE variable here
   assert(99 == malloc_usable_size(x));
   assert( 0 == malloc_usable_size(NULL));
   assert( 0 == malloc_usable_size((void*)0xdeadbeef));
#  endif

   return 0;
}