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
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
my_filter(const struct dirent * a)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
my_compar(const struct dirent ** a,const struct dirent ** b)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
main(int argc,char * argv[])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 }
57