void
test_main (void)
{
int root_fd, a_fd0;
char name[READDIR_MAX_LEN + 1];
root_fd = wrap_open ("/");
CHECK (mkdir ("a"), "mkdir \"a\"");
a_fd0 = wrap_open ("/a");
CHECK (!readdir (a_fd0, name), "verify \"/a\" is empty");
CHECK (inumber (root_fd) != inumber (a_fd0),
"\"/\" and \"/a\" must have different inumbers");
CHECK (chdir ("a"), "chdir \"a\"");
msg ("try to remove \"/a\"");
if (remove ("/a"))
{
msg ("remove successful");
CHECK (open ("/a") == -1, "open \"/a\" (must fail)");
CHECK (open (".") == -1, "open \".\" (must fail)");
CHECK (open ("..") == -1, "open \"..\" (must fail)");
CHECK (!create ("x", 512), "create \"x\" (must fail)");
}
else
{
int a_fd1, a_fd2, a_fd3;
msg ("remove failed");
CHECK (!remove ("../a"), "try to remove \"../a\" (must fail)");
CHECK (!remove (".././a"), "try to remove \".././a\" (must fail)");
CHECK (!remove ("/./a"), "try to remove \"/./a\" (must fail)");
a_fd1 = wrap_open ("/a");
a_fd2 = wrap_open (".");
CHECK (inumber (a_fd1) == inumber (a_fd2),
"\"/a\" and \".\" must have same inumber");
CHECK (inumber (root_fd) != inumber (a_fd1),
"\"/\" and \"/a\" must have different inumbers");
CHECK (chdir ("/a"), "chdir \"/a\"");
a_fd3 = wrap_open (".");
CHECK (inumber (a_fd3) == inumber (a_fd1),
"\".\" must have same inumber as before");
CHECK (chdir ("/"), "chdir \"/\"");
CHECK (!remove ("a"), "try to remove \"a\" (must fail: still open)");
}
CHECK (!readdir (a_fd0, name), "verify \"/a\" is empty");
}
int main(int argc, char **argv)
{
if (argc < 2) error_and_exit("not enough arguments");
char* argv_exec[argc];
argv_exec[0] = argv[1];
argv_exec[1] = argv[2];
for (int i = 2; i < argc-1; ++i)
{
argv_exec[i] = wrap_malloc(FILDES_LEN);
memset(argv_exec[i], 0, FILDES_LEN);
int fildes = wrap_open(argv[i+1], O_RDONLY);
sprintf(argv_exec[i], "%d", fildes);
}
argv_exec[argc-1] = NULL;
pid_t pid = wrap_fork();
if (pid != 0)
{
int stat;
wrap_waitpid(pid, &stat, 0);
if (!(WIFEXITED(stat) && WEXITSTATUS(stat) == 0))
error_and_exit("exit status of executed program");
} else
{
wrap_execvp(argv_exec[0], argv_exec);
_exit(EXIT_SUCCESS);
}
for (int i = 2; i < argc-1; ++i) free(argv_exec[i]);
return EXIT_SUCCESS;
}
