12d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// RUN: %clangxx_msan -m64 -O0 %s -o %t && %run %t %p 22d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// RUN: %clangxx_msan -m64 -O0 -D_FILE_OFFSET_BITS=64 %s -o %t && %run %t %p 32d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// RUN: %clangxx_msan -m64 -O3 %s -o %t && %run %t %p 4224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov 5224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov#include <assert.h> 6224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov#include <glob.h> 7224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov#include <stdio.h> 8224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov#include <stdlib.h> 9224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov#include <string.h> 10224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov#include <errno.h> 11224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov 12224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov#include <sys/stat.h> 13224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov#include <sys/types.h> 14224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov#include <dirent.h> 15224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov#include <unistd.h> 16224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov 17224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov#include <sanitizer/msan_interface.h> 18224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov 19224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov 20224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanovstatic int my_filter(const struct dirent *a) { 21224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov assert(__msan_test_shadow(&a, sizeof(a)) == (size_t)-1); 22224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov printf("%s\n", a->d_name); 23224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov __msan_print_shadow(a, a->d_reclen); 24224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov assert(__msan_test_shadow(a, a->d_reclen) == (size_t)-1); 25224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov printf("%s\n", a->d_name); 26224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov return strlen(a->d_name) == 3 && a->d_name[2] == 'b'; 27224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov} 28224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov 29224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanovstatic int my_compar(const struct dirent **a, const struct dirent **b) { 30224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov assert(__msan_test_shadow(a, sizeof(*a)) == (size_t)-1); 31224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov assert(__msan_test_shadow(*a, (*a)->d_reclen) == (size_t)-1); 32224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov assert(__msan_test_shadow(b, sizeof(*b)) == (size_t)-1); 33224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov assert(__msan_test_shadow(*b, (*b)->d_reclen) == (size_t)-1); 34224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov if ((*a)->d_name[1] == (*b)->d_name[1]) 35224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov return 0; 36224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov return ((*a)->d_name[1] < (*b)->d_name[1]) ? 1 : -1; 37224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov} 38224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov 39224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanovint main(int argc, char *argv[]) { 40224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov assert(argc == 2); 41224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov char buf[1024]; 42224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov snprintf(buf, sizeof(buf), "%s/%s", argv[1], "scandir_test_root/"); 43224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov 44224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov struct dirent **d; 45224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov int res = scandir(buf, &d, my_filter, my_compar); 46224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov assert(res == 2); 47224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov assert(__msan_test_shadow(&d, sizeof(*d)) == (size_t)-1); 48224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov for (int i = 0; i < res; ++i) { 49224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov assert(__msan_test_shadow(&d[i], sizeof(d[i])) == (size_t)-1); 50224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov assert(__msan_test_shadow(d[i], d[i]->d_reclen) == (size_t)-1); 51224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov } 52224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov 53224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov assert(strcmp(d[0]->d_name, "bbb") == 0); 54224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov assert(strcmp(d[1]->d_name, "aab") == 0); 55224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov return 0; 56224226c18c1ee1f9d187de86bf1c5023cb153c71Evgeniy Stepanov} 57