1 #include <stdio.h> 2 #include <stdlib.h> 3 #include <assert.h> 4 5 #include "../smalloc.h" 6 #include "../flist.h" 7 #include "debug.h" 8 9 #define MAGIC1 0xa9b1c8d2 10 #define MAGIC2 0xf0a1e9b3 11 12 #define LOOPS 32 13 14 struct elem { 15 unsigned int magic1; 16 struct flist_head list; 17 unsigned int magic2; 18 }; 19 20 FLIST_HEAD(list); 21 22 static int do_rand_allocs(void) 23 { 24 unsigned int size, nr, rounds = 0; 25 unsigned long total; 26 struct elem *e; 27 28 while (rounds++ < LOOPS) { 29 #ifdef STEST_SEED 30 srand(MAGIC1); 31 #endif 32 nr = total = 0; 33 while (total < 128*1024*1024UL) { 34 size = 8 * sizeof(struct elem) + (int) (999.0 * (rand() / (RAND_MAX + 1.0))); 35 e = smalloc(size); 36 if (!e) { 37 printf("fail at %lu, size %u\n", total, size); 38 break; 39 } 40 e->magic1 = MAGIC1; 41 e->magic2 = MAGIC2; 42 total += size; 43 flist_add_tail(&e->list, &list); 44 nr++; 45 } 46 47 printf("Got items: %u\n", nr); 48 49 while (!flist_empty(&list)) { 50 e = flist_entry(list.next, struct elem, list); 51 assert(e->magic1 == MAGIC1); 52 assert(e->magic2 == MAGIC2); 53 flist_del(&e->list); 54 sfree(e); 55 } 56 } 57 58 return 0; 59 } 60 61 static int do_specific_alloc(unsigned long size) 62 { 63 void *ptr; 64 65 ptr = smalloc(size); 66 sfree(ptr); 67 return 0; 68 } 69 70 int main(int argc, char *argv[]) 71 { 72 sinit(); 73 debug_init(); 74 75 do_rand_allocs(); 76 77 /* smalloc bug, commit 271067a6 */ 78 do_specific_alloc(671386584); 79 80 scleanup(); 81 return 0; 82 } 83
