Commit | Line | Data |
---|---|---|
fbc2792b JA |
1 | #include <stdio.h> |
2 | #include <stdlib.h> | |
3 | #include <assert.h> | |
4 | ||
5 | #include "../smalloc.h" | |
6 | #include "../flist.h" | |
9077ee4a | 7 | #include "debug.h" |
fbc2792b JA |
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 | { | |
fbc2792b | 72 | sinit(); |
9077ee4a | 73 | debug_init(); |
fbc2792b JA |
74 | |
75 | do_rand_allocs(); | |
76 | ||
77 | /* smalloc bug, commit 271067a6 */ | |
78 | do_specific_alloc(671386584); | |
79 | ||
80 | scleanup(); | |
81 | return 0; | |
82 | } |