29 lines · c
1// RUN: %clang -O0 %s -o %t && %run %t2 3// XFAIL: i386-netbsd && asan4 5#include <assert.h>6#include <fcntl.h>7#include <limits.h>8#include <stdio.h>9#include <string.h>10#include <unistd.h>11 12int main(int argc, char **argv) {13 char symlink_path[PATH_MAX];14 snprintf(symlink_path, sizeof(symlink_path), "%s_%d.symlink", argv[0],15 getpid());16 remove(symlink_path);17 int res = symlink(argv[0], symlink_path);18 assert(!res);19 20 char readlinkat_path[PATH_MAX];21 int res2 = readlinkat(AT_FDCWD, symlink_path, readlinkat_path,22 sizeof(readlinkat_path));23 assert(res2 >= 0);24 readlinkat_path[res2] = '\0';25 assert(!strcmp(readlinkat_path, argv[0]));26 27 return 0;28}29