// RUN: %clang -O0 %s -o %t && %run %t
#include <assert.h>
#include <fcntl.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
int main(int argc, char **argv) {
char symlink_path[PATH_MAX];
snprintf(symlink_path, sizeof(symlink_path), "%s_%d.symlink", argv[0],
getpid());
remove(symlink_path);
int res = symlink(argv[0], symlink_path);
assert(!res);
char readlink_path[PATH_MAX];
ssize_t res2 = readlink(symlink_path, readlink_path, sizeof(readlink_path));
assert(res2 >= 0);
readlink_path[res2] = '\0';
assert(!strcmp(readlink_path, argv[0]));
return 0;
}