76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
/*
|
|
* Copyright 2022, Jaidyn Levesque <jadedctrl@posteo.at>
|
|
*
|
|
* This program is free software: you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation, either version 3 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <stdlib.h>
|
|
#include <sys/xattr.h>
|
|
#include <errno.h>
|
|
|
|
|
|
char*
|
|
get_xattr(const char* path, const char* attr, int* error_code)
|
|
{
|
|
ssize_t value_size = getxattr(path, attr, NULL, 0);
|
|
if (value_size == -1) {
|
|
*error_code = errno;
|
|
return NULL;
|
|
}
|
|
|
|
char* value = (char*) malloc(value_size + 1);
|
|
ssize_t new_size = getxattr(path, attr, value, value_size + 1);
|
|
*error_code = (new_size == -1) ? errno : 0;
|
|
|
|
value[value_size] = '\0';
|
|
return value;
|
|
}
|
|
|
|
|
|
int
|
|
set_xattr(const char* path, const char* attr, const char* value, int* error_code)
|
|
{
|
|
int retcode = lsetxattr(path, attr, value, strlen(value), 0);
|
|
*error_code = (retcode == 0) ? 0 : errno;
|
|
|
|
return retcode;
|
|
}
|
|
|
|
|
|
char*
|
|
list_xattr(const char* path, ssize_t* size, int* error_code)
|
|
{
|
|
ssize_t value_size = llistxattr(path, NULL, 0);
|
|
if (value_size == -1) {
|
|
*error_code = errno;
|
|
return NULL;
|
|
}
|
|
|
|
char* value = (char*) malloc(value_size + 1);
|
|
*size = llistxattr(path, value, value_size + 1);
|
|
*error_code = (*size == -1) ? errno : 0;
|
|
|
|
value[value_size] = '\0';
|
|
return value;
|
|
}
|
|
|
|
|
|
int
|
|
remove_xattr(const char* path, const char* attr)
|
|
{
|
|
if (lremovexattr(path, attr) == -1)
|
|
return errno;
|
|
else
|
|
return 0;
|
|
}
|