File: error_counts.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 (58 lines) | stat: -rw-r--r-- 1,252 bytes parent folder | download | duplicates (9)
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
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include "../memcheck.h"
#include "leak.h"

int main(void)
{
   int  x;
   int  y = 0;
   int* reachable __attribute__((unused));
   int* dubious;
   int* leaked __attribute__((unused));
   DECLARE_LEAK_COUNTERS;

   /* we require these longs to have same size as a machine word */
   assert(sizeof(long) == sizeof(void*));

   /* Error counting */
   fprintf(stderr, "errors: %d\n\n", VALGRIND_COUNT_ERRORS);

   if (x == 0) {
      y++;
   } else {
      y--;
   }

   fprintf(stderr, "errors: %d\n\n", VALGRIND_COUNT_ERRORS);

   // Get a baseline, after start-up and also after printf (because Darwin
   // printf allocates memory the first time it's called!)
   GET_INITIAL_LEAK_COUNTS;

   fprintf(stderr, "errors: %d\n\n", VALGRIND_COUNT_ERRORS);

   /* Leak checking */
   GET_FINAL_LEAK_COUNTS;
   PRINT_LEAK_COUNTS(stderr);
   fprintf(stderr, "\n");

   fprintf(stderr, "errors: %d\n\n", VALGRIND_COUNT_ERRORS);

   leaked = malloc(77);
   leaked = 0;

   dubious = malloc(88);
   dubious += 10;

   reachable = malloc(99);

   GET_FINAL_LEAK_COUNTS;
   PRINT_LEAK_COUNTS(stderr);
   fprintf(stderr, "\n");

   fprintf(stderr, "errors: %d\n", VALGRIND_COUNT_ERRORS);

   return 0;
}