File: brk2.c

package info (click to toggle)
valgrind 1%3A3.10.0-4
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 97,452 kB
  • ctags: 62,380
  • sloc: ansic: 589,429; xml: 21,096; exp: 8,751; cpp: 7,366; asm: 6,526; perl: 5,656; sh: 5,334; makefile: 4,946; haskell: 195
file content (25 lines) | stat: -rw-r--r-- 415 bytes parent folder | download | duplicates (13) 
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
 
#include <stdio.h>
#include <unistd.h>

#define MAX 3000

// At one time, this was causing a seg fault within Valgrind -- it was when
// extending the brk segment onto a new page.  Fixed in vg_syscalls.c 1.129.

int main () {
  char* ptr;
  int i;

  for (i=0; i<MAX; i++) {
    ptr = sbrk(1);

    if (ptr == (void*)-1) {
      printf ("sbrk() failed!\n");
      return 0;
    }

    *ptr = 0;
  }

  return 0;
}