forked from OSchip/llvm-project
79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
// RUN: %clangxx_msan -O0 %s -o %t && %run %t %p 2>&1 | FileCheck %s
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// RUN: %clangxx_msan -O0 -D_FILE_OFFSET_BITS=64 %s -o %t && %run %t %p 2>&1 | FileCheck %s
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// RUN: %clangxx_msan -O3 %s -o %t && %run %t %p 2>&1 | FileCheck %s
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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 void my_gl_closedir(void *dir) {
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if (!dir)
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exit(1);
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closedir((DIR *)dir);
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}
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static struct dirent *my_gl_readdir(void *dir) {
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if (!dir)
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exit(1);
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struct dirent *d = readdir((DIR *)dir);
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if (d) __msan_poison(d, d->d_reclen); // hehe
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return d;
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}
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static void *my_gl_opendir(const char *s) {
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assert(__msan_test_shadow(s, strlen(s) + 1) == (size_t)-1);
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return opendir(s);
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}
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static int my_gl_lstat(const char *s, struct stat *st) {
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assert(__msan_test_shadow(s, strlen(s) + 1) == (size_t)-1);
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if (!st)
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exit(1);
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return lstat(s, st);
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}
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static int my_gl_stat(const char *s, struct stat *st) {
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assert(__msan_test_shadow(s, strlen(s) + 1) == (size_t)-1);
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if (!st)
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exit(1);
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return lstat(s, st);
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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], "glob_test_root/*a");
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glob_t globbuf;
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globbuf.gl_closedir = my_gl_closedir;
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globbuf.gl_readdir = my_gl_readdir;
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globbuf.gl_opendir = my_gl_opendir;
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globbuf.gl_lstat = my_gl_lstat;
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globbuf.gl_stat = my_gl_stat;
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for (int i = 0; i < 10000; ++i) {
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int res = glob(buf, GLOB_ALTDIRFUNC | GLOB_MARK, 0, &globbuf);
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assert(res == 0);
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printf("%d %s\n", errno, strerror(errno));
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assert(globbuf.gl_pathc == 2);
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printf("%zu\n", strlen(globbuf.gl_pathv[0]));
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printf("%zu\n", strlen(globbuf.gl_pathv[1]));
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__msan_poison(globbuf.gl_pathv[0], strlen(globbuf.gl_pathv[0]) + 1);
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__msan_poison(globbuf.gl_pathv[1], strlen(globbuf.gl_pathv[1]) + 1);
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globfree(&globbuf);
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}
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printf("PASS\n");
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// CHECK: PASS
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return 0;
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}
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