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