forked from mirror/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
2.0 KiB
C
52 lines
2.0 KiB
C
/*
|
|
* FUSE: Filesystem in Userspace
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE
|
|
*/
|
|
|
|
/*
|
|
* Creates files on the underlying file system in response to a FUSE_MKNOD
|
|
* operation
|
|
*/
|
|
static int mknod_wrapper(int dirfd, const char *path, const char *link,
|
|
int mode, dev_t rdev)
|
|
{
|
|
int res;
|
|
|
|
if (S_ISREG(mode)) {
|
|
res = openat(dirfd, path, O_CREAT | O_EXCL | O_WRONLY, mode);
|
|
if (res >= 0) {
|
|
res = close(res);
|
|
}
|
|
} else if (S_ISDIR(mode)) {
|
|
res = mkdirat(dirfd, path, mode);
|
|
} else if (S_ISLNK(mode) && link != NULL) {
|
|
res = symlinkat(link, dirfd, path);
|
|
} else if (S_ISFIFO(mode)) {
|
|
res = mkfifoat(dirfd, path, mode);
|
|
} else {
|
|
res = mknodat(dirfd, path, mode, rdev);
|
|
}
|
|
|
|
return res;
|
|
}
|