mirror of
https://github.com/libfuse/libfuse.git
synced 2024-11-23 04:04:31 +08:00
1acfb20cb3
Compiler warning about close(fd), add include file to fix. Signed-off-by: haoyixing <haoyixing@kuaishou.com> Co-authored-by: haoyixing <haoyixing@kuaishou.com>
77 lines
1.3 KiB
C
77 lines
1.3 KiB
C
/*
|
|
FUSE fioclient: FUSE ioctl example client
|
|
Copyright (C) 2008 SUSE Linux Products GmbH
|
|
Copyright (C) 2008 Tejun Heo <teheo@suse.de>
|
|
|
|
This program tests the ioctl.c example file systsem.
|
|
|
|
This program can be distributed under the terms of the GNU GPLv2.
|
|
See the file COPYING.
|
|
*/
|
|
|
|
/** @file
|
|
*
|
|
* This program tests the ioctl.c example file systsem.
|
|
*
|
|
* Compile with:
|
|
*
|
|
* gcc -Wall ioctl_client.c -o ioctl_client
|
|
*
|
|
* ## Source code ##
|
|
* \include ioctl_client.c
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <fcntl.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/ioctl.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include "ioctl.h"
|
|
|
|
const char *usage =
|
|
"Usage: fioclient FIOC_FILE [size]\n"
|
|
"\n"
|
|
"Get size if <size> is omitted, set size otherwise\n"
|
|
"\n";
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
size_t size;
|
|
int fd;
|
|
int ret = 0;
|
|
|
|
if (argc < 2) {
|
|
fprintf(stderr, "%s", usage);
|
|
return 1;
|
|
}
|
|
|
|
fd = open(argv[1], O_RDWR);
|
|
if (fd < 0) {
|
|
perror("open");
|
|
return 1;
|
|
}
|
|
|
|
if (argc == 2) {
|
|
if (ioctl(fd, FIOC_GET_SIZE, &size)) {
|
|
perror("ioctl");
|
|
ret = 1;
|
|
goto out;
|
|
}
|
|
printf("%zu\n", size);
|
|
} else {
|
|
size = strtoul(argv[2], NULL, 0);
|
|
if (ioctl(fd, FIOC_SET_SIZE, &size)) {
|
|
perror("ioctl");
|
|
ret = 1;
|
|
goto out;
|
|
}
|
|
}
|
|
out:
|
|
close(fd);
|
|
return ret;
|
|
}
|