1 2 /* Test for correct functioning of the --malloc-fill and --free-fill 3 flags. Needs --malloc-fill=0x55 and --free-fill=0x77. */ 4 5 #include <stdio.h> 6 #include <assert.h> 7 #include <stdlib.h> 8 #include "../memcheck.h" 9 10 int main ( void ) 11 { 12 int *r, *oldr, *a; 13 14 #define TEST(x, exp_x, desc) \ 15 (void)VALGRIND_MAKE_MEM_DEFINED(&x, sizeof(int)); \ 16 if (x == exp_x) { \ 17 fprintf(stderr, "PASSED: " desc "\n"); \ 18 } else { \ 19 fprintf(stderr, "FAILED: " desc "\n"); \ 20 } 21 22 //------------------------------------------------------------- 23 fprintf(stderr, "test simple malloc/free:\n"); 24 25 a = malloc(10 * sizeof(int)); assert(a); 26 TEST(a[4], 0x55555555, "malloc-filled"); 27 28 free(a); 29 TEST(a[5], 0x77777777, " free-filled"); 30 31 //------------------------------------------------------------- 32 fprintf(stderr, "\ntest realloc-larger:\n"); 33 34 r = malloc(30 * sizeof(int)); assert(r); 35 TEST(r[25], 0x55555555, "malloc-filled"); 36 37 /* Make larger */ 38 oldr = r; 39 r = realloc(r, 40 * sizeof(int)); assert(r); 40 41 TEST(oldr[26], 0x77777777, " free-filled"); 42 TEST( r[35], 0x55555555, "malloc-filled"); 43 44 free(r); 45 46 //------------------------------------------------------------- 47 fprintf(stderr, "\ntest realloc-smaller:\n"); 48 49 r = malloc(30 * sizeof(int)); assert(r); 50 TEST(r[25], 0x55555555, "malloc-filled"); 51 52 /* Make smaller */ 53 oldr = r; 54 r = realloc(r, 20 * sizeof(int)); assert(r); 55 56 TEST(oldr[26], 0x77777777, " free-filled"); 57 58 free(r); 59 60 //------------------------------------------------------------- 61 fprintf(stderr, "\ntest calloc:\n"); 62 a = calloc(100, sizeof(int)); assert(r); 63 64 TEST(a[42], 0x00000000, "zero"); 65 66 free(a); 67 68 return 0; 69 } 70
