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92a42be0 SL |
1 | // RUN: %clangxx_msan -O0 %s -o %t && %run %t %p |
2 | // RUN: %clangxx_msan -O0 -D_FILE_OFFSET_BITS=64 %s -o %t && %run %t %p | |
3 | // RUN: %clangxx_msan -O3 %s -o %t && %run %t %p | |
1a4d82fc JJ |
4 | |
5 | #include <assert.h> | |
6 | #include <glob.h> | |
7 | #include <stdio.h> | |
8 | #include <stdlib.h> | |
9 | #include <string.h> | |
10 | #include <errno.h> | |
11 | ||
12 | #include <sys/stat.h> | |
13 | #include <sys/types.h> | |
14 | #include <dirent.h> | |
15 | #include <unistd.h> | |
16 | ||
17 | #include <sanitizer/msan_interface.h> | |
18 | ||
19 | ||
20 | static int my_filter(const struct dirent *a) { | |
21 | assert(__msan_test_shadow(&a, sizeof(a)) == (size_t)-1); | |
22 | printf("%s\n", a->d_name); | |
23 | __msan_print_shadow(a, a->d_reclen); | |
24 | assert(__msan_test_shadow(a, a->d_reclen) == (size_t)-1); | |
25 | printf("%s\n", a->d_name); | |
26 | return strlen(a->d_name) == 3 && a->d_name[2] == 'b'; | |
27 | } | |
28 | ||
29 | static int my_compar(const struct dirent **a, const struct dirent **b) { | |
30 | assert(__msan_test_shadow(a, sizeof(*a)) == (size_t)-1); | |
31 | assert(__msan_test_shadow(*a, (*a)->d_reclen) == (size_t)-1); | |
32 | assert(__msan_test_shadow(b, sizeof(*b)) == (size_t)-1); | |
33 | assert(__msan_test_shadow(*b, (*b)->d_reclen) == (size_t)-1); | |
34 | if ((*a)->d_name[1] == (*b)->d_name[1]) | |
35 | return 0; | |
36 | return ((*a)->d_name[1] < (*b)->d_name[1]) ? 1 : -1; | |
37 | } | |
38 | ||
39 | int main(int argc, char *argv[]) { | |
40 | assert(argc == 2); | |
41 | char buf[1024]; | |
42 | snprintf(buf, sizeof(buf), "%s/%s", argv[1], "scandir_test_root/"); | |
43 | ||
44 | struct dirent **d; | |
45 | int res = scandir(buf, &d, my_filter, my_compar); | |
46 | assert(res == 2); | |
47 | assert(__msan_test_shadow(&d, sizeof(*d)) == (size_t)-1); | |
48 | for (int i = 0; i < res; ++i) { | |
49 | assert(__msan_test_shadow(&d[i], sizeof(d[i])) == (size_t)-1); | |
50 | assert(__msan_test_shadow(d[i], d[i]->d_reclen) == (size_t)-1); | |
51 | } | |
52 | ||
53 | assert(strcmp(d[0]->d_name, "bbb") == 0); | |
54 | assert(strcmp(d[1]->d_name, "aab") == 0); | |
55 | return 0; | |
56 | } |