xref: /aosp_15_r20/external/liburing/test/rename.c (revision 25da2bea747f3a93b4c30fd9708b0618ef55a0e6)
1*25da2beaSAndroid Build Coastguard Worker /* SPDX-License-Identifier: MIT */
2*25da2beaSAndroid Build Coastguard Worker /*
3*25da2beaSAndroid Build Coastguard Worker  * Description: run various nop tests
4*25da2beaSAndroid Build Coastguard Worker  *
5*25da2beaSAndroid Build Coastguard Worker  */
6*25da2beaSAndroid Build Coastguard Worker #include <errno.h>
7*25da2beaSAndroid Build Coastguard Worker #include <stdio.h>
8*25da2beaSAndroid Build Coastguard Worker #include <unistd.h>
9*25da2beaSAndroid Build Coastguard Worker #include <stdlib.h>
10*25da2beaSAndroid Build Coastguard Worker #include <string.h>
11*25da2beaSAndroid Build Coastguard Worker #include <fcntl.h>
12*25da2beaSAndroid Build Coastguard Worker #include <sys/stat.h>
13*25da2beaSAndroid Build Coastguard Worker 
14*25da2beaSAndroid Build Coastguard Worker #include "liburing.h"
15*25da2beaSAndroid Build Coastguard Worker 
test_rename(struct io_uring * ring,const char * old,const char * new)16*25da2beaSAndroid Build Coastguard Worker static int test_rename(struct io_uring *ring, const char *old, const char *new)
17*25da2beaSAndroid Build Coastguard Worker {
18*25da2beaSAndroid Build Coastguard Worker 	struct io_uring_cqe *cqe;
19*25da2beaSAndroid Build Coastguard Worker 	struct io_uring_sqe *sqe;
20*25da2beaSAndroid Build Coastguard Worker 	int ret;
21*25da2beaSAndroid Build Coastguard Worker 
22*25da2beaSAndroid Build Coastguard Worker 	sqe = io_uring_get_sqe(ring);
23*25da2beaSAndroid Build Coastguard Worker 	if (!sqe) {
24*25da2beaSAndroid Build Coastguard Worker 		fprintf(stderr, "get sqe failed\n");
25*25da2beaSAndroid Build Coastguard Worker 		goto err;
26*25da2beaSAndroid Build Coastguard Worker 	}
27*25da2beaSAndroid Build Coastguard Worker 
28*25da2beaSAndroid Build Coastguard Worker 	memset(sqe, 0, sizeof(*sqe));
29*25da2beaSAndroid Build Coastguard Worker 
30*25da2beaSAndroid Build Coastguard Worker 	io_uring_prep_rename(sqe, old, new);
31*25da2beaSAndroid Build Coastguard Worker 
32*25da2beaSAndroid Build Coastguard Worker 	ret = io_uring_submit(ring);
33*25da2beaSAndroid Build Coastguard Worker 	if (ret <= 0) {
34*25da2beaSAndroid Build Coastguard Worker 		fprintf(stderr, "sqe submit failed: %d\n", ret);
35*25da2beaSAndroid Build Coastguard Worker 		goto err;
36*25da2beaSAndroid Build Coastguard Worker 	}
37*25da2beaSAndroid Build Coastguard Worker 
38*25da2beaSAndroid Build Coastguard Worker 	ret = io_uring_wait_cqe(ring, &cqe);
39*25da2beaSAndroid Build Coastguard Worker 	if (ret < 0) {
40*25da2beaSAndroid Build Coastguard Worker 		fprintf(stderr, "wait completion %d\n", ret);
41*25da2beaSAndroid Build Coastguard Worker 		goto err;
42*25da2beaSAndroid Build Coastguard Worker 	}
43*25da2beaSAndroid Build Coastguard Worker 	ret = cqe->res;
44*25da2beaSAndroid Build Coastguard Worker 	io_uring_cqe_seen(ring, cqe);
45*25da2beaSAndroid Build Coastguard Worker 	return ret;
46*25da2beaSAndroid Build Coastguard Worker err:
47*25da2beaSAndroid Build Coastguard Worker 	return 1;
48*25da2beaSAndroid Build Coastguard Worker }
49*25da2beaSAndroid Build Coastguard Worker 
stat_file(const char * buf)50*25da2beaSAndroid Build Coastguard Worker static int stat_file(const char *buf)
51*25da2beaSAndroid Build Coastguard Worker {
52*25da2beaSAndroid Build Coastguard Worker 	struct stat sb;
53*25da2beaSAndroid Build Coastguard Worker 
54*25da2beaSAndroid Build Coastguard Worker 	if (!stat(buf, &sb))
55*25da2beaSAndroid Build Coastguard Worker 		return 0;
56*25da2beaSAndroid Build Coastguard Worker 
57*25da2beaSAndroid Build Coastguard Worker 	return errno;
58*25da2beaSAndroid Build Coastguard Worker }
59*25da2beaSAndroid Build Coastguard Worker 
main(int argc,char * argv[])60*25da2beaSAndroid Build Coastguard Worker int main(int argc, char *argv[])
61*25da2beaSAndroid Build Coastguard Worker {
62*25da2beaSAndroid Build Coastguard Worker 	struct io_uring ring;
63*25da2beaSAndroid Build Coastguard Worker 	char src[32] = "./XXXXXX";
64*25da2beaSAndroid Build Coastguard Worker 	char dst[32] = "./XXXXXX";
65*25da2beaSAndroid Build Coastguard Worker 	int ret;
66*25da2beaSAndroid Build Coastguard Worker 
67*25da2beaSAndroid Build Coastguard Worker 	if (argc > 1)
68*25da2beaSAndroid Build Coastguard Worker 		return 0;
69*25da2beaSAndroid Build Coastguard Worker 
70*25da2beaSAndroid Build Coastguard Worker 	ret = io_uring_queue_init(1, &ring, 0);
71*25da2beaSAndroid Build Coastguard Worker 	if (ret) {
72*25da2beaSAndroid Build Coastguard Worker 		fprintf(stderr, "ring setup failed: %d\n", ret);
73*25da2beaSAndroid Build Coastguard Worker 		return 1;
74*25da2beaSAndroid Build Coastguard Worker 	}
75*25da2beaSAndroid Build Coastguard Worker 
76*25da2beaSAndroid Build Coastguard Worker 	ret = mkstemp(src);
77*25da2beaSAndroid Build Coastguard Worker 	if (ret < 0) {
78*25da2beaSAndroid Build Coastguard Worker 		perror("mkstemp");
79*25da2beaSAndroid Build Coastguard Worker 		return 1;
80*25da2beaSAndroid Build Coastguard Worker 	}
81*25da2beaSAndroid Build Coastguard Worker 	close(ret);
82*25da2beaSAndroid Build Coastguard Worker 
83*25da2beaSAndroid Build Coastguard Worker 	ret = mkstemp(dst);
84*25da2beaSAndroid Build Coastguard Worker 	if (ret < 0) {
85*25da2beaSAndroid Build Coastguard Worker 		perror("mkstemp");
86*25da2beaSAndroid Build Coastguard Worker 		return 1;
87*25da2beaSAndroid Build Coastguard Worker 	}
88*25da2beaSAndroid Build Coastguard Worker 	close(ret);
89*25da2beaSAndroid Build Coastguard Worker 
90*25da2beaSAndroid Build Coastguard Worker 	if (stat_file(src) != 0) {
91*25da2beaSAndroid Build Coastguard Worker 		perror("stat");
92*25da2beaSAndroid Build Coastguard Worker 		return 1;
93*25da2beaSAndroid Build Coastguard Worker 	}
94*25da2beaSAndroid Build Coastguard Worker 	if (stat_file(dst) != 0) {
95*25da2beaSAndroid Build Coastguard Worker 		perror("stat");
96*25da2beaSAndroid Build Coastguard Worker 		return 1;
97*25da2beaSAndroid Build Coastguard Worker 	}
98*25da2beaSAndroid Build Coastguard Worker 
99*25da2beaSAndroid Build Coastguard Worker 	ret = test_rename(&ring, src, dst);
100*25da2beaSAndroid Build Coastguard Worker 	if (ret < 0) {
101*25da2beaSAndroid Build Coastguard Worker 		if (ret == -EBADF || ret == -EINVAL) {
102*25da2beaSAndroid Build Coastguard Worker 			fprintf(stdout, "Rename not supported, skipping\n");
103*25da2beaSAndroid Build Coastguard Worker 			goto out;
104*25da2beaSAndroid Build Coastguard Worker 		}
105*25da2beaSAndroid Build Coastguard Worker 		fprintf(stderr, "rename: %s\n", strerror(-ret));
106*25da2beaSAndroid Build Coastguard Worker 		goto err;
107*25da2beaSAndroid Build Coastguard Worker 	} else if (ret)
108*25da2beaSAndroid Build Coastguard Worker 		goto err;
109*25da2beaSAndroid Build Coastguard Worker 
110*25da2beaSAndroid Build Coastguard Worker 	if (stat_file(src) != ENOENT) {
111*25da2beaSAndroid Build Coastguard Worker 		fprintf(stderr, "stat got %s\n", strerror(ret));
112*25da2beaSAndroid Build Coastguard Worker 		return 1;
113*25da2beaSAndroid Build Coastguard Worker 	}
114*25da2beaSAndroid Build Coastguard Worker 
115*25da2beaSAndroid Build Coastguard Worker 	if (stat_file(dst) != 0) {
116*25da2beaSAndroid Build Coastguard Worker 		perror("stat");
117*25da2beaSAndroid Build Coastguard Worker 		return 1;
118*25da2beaSAndroid Build Coastguard Worker 	}
119*25da2beaSAndroid Build Coastguard Worker 
120*25da2beaSAndroid Build Coastguard Worker 	ret = test_rename(&ring, "/x/y/1/2", "/2/1/y/x");
121*25da2beaSAndroid Build Coastguard Worker 	if (ret != -ENOENT) {
122*25da2beaSAndroid Build Coastguard Worker 		fprintf(stderr, "test_rename invalid failed: %d\n", ret);
123*25da2beaSAndroid Build Coastguard Worker 		return ret;
124*25da2beaSAndroid Build Coastguard Worker 	}
125*25da2beaSAndroid Build Coastguard Worker out:
126*25da2beaSAndroid Build Coastguard Worker 	unlink(dst);
127*25da2beaSAndroid Build Coastguard Worker 	return 0;
128*25da2beaSAndroid Build Coastguard Worker err:
129*25da2beaSAndroid Build Coastguard Worker 	unlink(src);
130*25da2beaSAndroid Build Coastguard Worker 	unlink(dst);
131*25da2beaSAndroid Build Coastguard Worker 	return 1;
132*25da2beaSAndroid Build Coastguard Worker }
133