qemu/hw/9pfs/9p-util.c
Keno Fischer ec70b956fd 9p: Move a couple xattr functions to 9p-util
These functions will need custom implementations on Darwin. Since the
implementation is very similar among all of them, and 9p-util already
has the _nofollow version of fgetxattrat, let's move them all there.

Signed-off-by: Keno Fischer <keno@juliacomputing.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
2018-06-07 12:17:22 +02:00

60 lines
1.5 KiB
C

/*
* 9p utilities
*
* Copyright IBM, Corp. 2017
*
* Authors:
* Greg Kurz <groug@kaod.org>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "qemu/xattr.h"
#include "9p-util.h"
ssize_t fgetxattrat_nofollow(int dirfd, const char *filename, const char *name,
void *value, size_t size)
{
char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
int ret;
ret = lgetxattr(proc_path, name, value, size);
g_free(proc_path);
return ret;
}
ssize_t flistxattrat_nofollow(int dirfd, const char *filename,
char *list, size_t size)
{
char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
int ret;
ret = llistxattr(proc_path, list, size);
g_free(proc_path);
return ret;
}
ssize_t fremovexattrat_nofollow(int dirfd, const char *filename,
const char *name)
{
char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
int ret;
ret = lremovexattr(proc_path, name);
g_free(proc_path);
return ret;
}
int fsetxattrat_nofollow(int dirfd, const char *filename, const char *name,
void *value, size_t size, int flags)
{
char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
int ret;
ret = lsetxattr(proc_path, name, value, size, flags);
g_free(proc_path);
return ret;
}