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/* SPDX-License-Identifier: MIT */
/*
* Description: test io_uring mkdirat handling
*/
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "liburing.h"
static int do_mkdirat(struct io_uring *ring, const char *fn)
{
int ret;
struct io_uring_sqe *sqe;
struct io_uring_cqe *cqe;
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "sqe get failed\n");
goto err;
}
io_uring_prep_mkdirat(sqe, AT_FDCWD, fn, 0700);
ret = io_uring_submit(ring);
if (ret != 1) {
fprintf(stderr, "submit failed: %d\n", ret);
goto err;
}
ret = io_uring_wait_cqes(ring, &cqe, 1, 0, 0);
if (ret) {
fprintf(stderr, "wait_cqe failed: %d\n", ret);
goto err;
}
ret = cqe->res;
io_uring_cqe_seen(ring, cqe);
return ret;
err:
return 1;
}
static int stat_file(const char *fn)
{
struct stat sb;
if (!stat(fn, &sb))
return 0;
return errno;
}
int main(int argc, char *argv[])
{
static const char fn[] = "io_uring-mkdirat-test";
int ret;
struct io_uring ring;
if (argc > 1)
return 0;
ret = io_uring_queue_init(8, &ring, 0);
if (ret) {
fprintf(stderr, "queue init failed: %d\n", ret);
return ret;
}
ret = do_mkdirat(&ring, fn);
if (ret < 0) {
if (ret == -EBADF || ret == -EINVAL) {
fprintf(stdout, "mkdirat not supported, skipping\n");
goto out;
}
fprintf(stderr, "mkdirat: %s\n", strerror(-ret));
goto err;
} else if (ret) {
goto err;
}
if (stat_file(fn)) {
perror("stat");
goto err;
}
ret = do_mkdirat(&ring, fn);
if (ret != -EEXIST) {
fprintf(stderr, "do_mkdirat already exists failed: %d\n", ret);
goto err1;
}
ret = do_mkdirat(&ring, "surely/this/wont/exist");
if (ret != -ENOENT) {
fprintf(stderr, "do_mkdirat no parent failed: %d\n", ret);
goto err1;
}
out:
unlinkat(AT_FDCWD, fn, AT_REMOVEDIR);
io_uring_queue_exit(&ring);
return 0;
err1:
unlinkat(AT_FDCWD, fn, AT_REMOVEDIR);
err:
io_uring_queue_exit(&ring);
return 1;
}
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