// RUN: %clangxx_msan -O0 %s -o %t && %run %t %p // RUN: %clangxx_msan -O0 -D_FILE_OFFSET_BITS=64 %s -o %t && %run %t %p // RUN: %clangxx_msan -O3 %s -o %t && %run %t %p #include <assert.h> #include <glob.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <errno.h> #include <sys/stat.h> #include <sys/types.h> #include <dirent.h> #include <unistd.h> #include <sanitizer/msan_interface.h> static int my_filter(const struct dirent *a) { assert(__msan_test_shadow(&a, sizeof(a)) == (size_t)-1); printf("%s\n", a->d_name); __msan_print_shadow(a, a->d_reclen); assert(__msan_test_shadow(a, a->d_reclen) == (size_t)-1); printf("%s\n", a->d_name); return strlen(a->d_name) == 3 && a->d_name[2] == 'b'; } static int my_compar(const struct dirent **a, const struct dirent **b) { assert(__msan_test_shadow(a, sizeof(*a)) == (size_t)-1); assert(__msan_test_shadow(*a, (*a)->d_reclen) == (size_t)-1); assert(__msan_test_shadow(b, sizeof(*b)) == (size_t)-1); assert(__msan_test_shadow(*b, (*b)->d_reclen) == (size_t)-1); if ((*a)->d_name[1] == (*b)->d_name[1]) return 0; return ((*a)->d_name[1] < (*b)->d_name[1]) ? 1 : -1; } int main(int argc, char *argv[]) { assert(argc == 2); char buf[1024]; snprintf(buf, sizeof(buf), "%s/%s", argv[1], "scandir_test_root/"); struct dirent **d; int res = scandir(buf, &d, my_filter, my_compar); assert(res == 2); assert(__msan_test_shadow(&d, sizeof(*d)) == (size_t)-1); for (int i = 0; i < res; ++i) { assert(__msan_test_shadow(&d[i], sizeof(d[i])) == (size_t)-1); assert(__msan_test_shadow(d[i], d[i]->d_reclen) == (size_t)-1); } assert(strcmp(d[0]->d_name, "bbb") == 0); assert(strcmp(d[1]->d_name, "aab") == 0); return 0; }