57 lines · cpp
1// RUN: %clangxx_msan -O0 %s -o %t && %run %t %p2// RUN: %clangxx_msan -O0 -D_FILE_OFFSET_BITS=64 %s -o %t && %run %t %p3// RUN: %clangxx_msan -O3 %s -o %t && %run %t %p4 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 20static 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 29static 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 39int 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