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#include <unistd.h>
#include <sys/stat.h>
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <signal.h>
#ifdef USE_HOST_LIBC
#define TEST_BASE "/tmp/mlibc-realpath-host-libc"
#else
#define TEST_BASE "/tmp/mlibc-realpath"
#endif
void prepare() {
assert(!mkdir(TEST_BASE "/", S_IRWXU));
assert(!mkdir(TEST_BASE "/dir1", S_IRWXU));
assert(!mkdir(TEST_BASE "/dir2", S_IRWXU));
assert(!symlink(TEST_BASE "/dir2/", TEST_BASE "/dir1/abs-link"));
assert(!chdir(TEST_BASE "/dir1"));
assert(!symlink("../dir2/", TEST_BASE "/dir1/rel-link"));
}
void cleanup(int do_assert) {
if (do_assert) {
assert(!unlink(TEST_BASE "/dir1/rel-link"));
assert(!unlink(TEST_BASE "/dir1/abs-link"));
assert(!rmdir(TEST_BASE "/dir2"));
assert(!rmdir(TEST_BASE "/dir1"));
assert(!rmdir(TEST_BASE "/"));
} else {
unlink(TEST_BASE "/dir1/rel-link");
unlink(TEST_BASE "/dir1/abs-link");
rmdir(TEST_BASE "/dir2");
rmdir(TEST_BASE "/dir1");
rmdir(TEST_BASE "/");
}
}
void signal_handler(int sig, siginfo_t *info, void *ctx) {
(void)sig;
(void)info;
(void)ctx;
cleanup(0);
struct sigaction sa;
sigemptyset(&sa.sa_mask);
sa.sa_handler = SIG_DFL;
sa.sa_flags = 0;
sigaction(SIGABRT, &sa, NULL);
abort();
}
int main() {
char *path;
struct sigaction sa;
sigemptyset(&sa.sa_mask);
sa.sa_sigaction = signal_handler;
sa.sa_flags = SA_SIGINFO;
sigaction(SIGABRT, &sa, NULL);
prepare();
path = realpath(TEST_BASE "/dir1/", NULL);
assert(path);
assert(!strcmp(path, TEST_BASE "/dir1"));
free(path);
path = realpath(TEST_BASE "/dir1/../dir2", NULL);
assert(path);
assert(!strcmp(path, TEST_BASE "/dir2"));
free(path);
path = realpath(TEST_BASE "/dir1/abs-link/", NULL);
assert(path);
assert(!strcmp(path, TEST_BASE "/dir2"));
free(path);
path = realpath(TEST_BASE "/dir1/rel-link/", NULL);
assert(path);
assert(!strcmp(path, TEST_BASE "/dir2"));
free(path);
path = realpath(TEST_BASE "/dir1/abs-link/../", NULL);
assert(path);
assert(!strcmp(path, TEST_BASE ""));
free(path);
path = realpath(TEST_BASE "/dir1/rel-link/../", NULL);
assert(path);
assert(!strcmp(path, TEST_BASE ""));
free(path);
path = realpath(TEST_BASE "/dir1/abs-link/../dir1/abs-link/", NULL);
assert(path);
assert(!strcmp(path, TEST_BASE "/dir2"));
free(path);
path = realpath(TEST_BASE "/dir1/rel-link/../dir1/rel-link/", NULL);
assert(path);
assert(!strcmp(path, TEST_BASE "/dir2"));
free(path);
path = realpath(TEST_BASE "/dir1/abs-link/../dir1/rel-link/", NULL);
assert(path);
assert(!strcmp(path, TEST_BASE "/dir2"));
free(path);
path = realpath(TEST_BASE "/dir1/rel-link/../dir1/abs-link/", NULL);
assert(path);
assert(!strcmp(path, TEST_BASE "/dir2"));
free(path);
path = realpath("/tmp", NULL);
assert(path);
assert(!strcmp(path, "/tmp"));
free(path);
path = realpath("/", NULL);
assert(path);
assert(!strcmp(path, "/"));
free(path);
path = realpath("//", NULL);
assert(path);
assert(!strcmp(path, "/"));
free(path);
cleanup(1);
}
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