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xattr-util: add trivial getxattr_at_strv() helper

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This commit is contained in:
Lennart Poettering
2025-03-31 14:47:22 +02:00
parent 33746caf8f
commit ed024abac6
2 changed files with 21 additions and 0 deletions
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20
src/basic/xattr-util.c
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@@ -13,11 +13,13 @@
#include "fd-util.h"
#include "macro.h"
#include "missing_syscall.h"
#include "nulstr-util.h"
#include "parse-util.h"
#include "sparse-endian.h"
#include "stat-util.h"
#include "stdio-util.h"
#include "string-util.h"
#include "strv.h"
#include "time-util.h"
#include "xattr-util.h"
@@ -189,6 +191,24 @@ int getxattr_at_bool(int fd, const char *path, const char *name, int at_flags) {
return parse_boolean(v);
}
int getxattr_at_strv(int fd, const char *path, const char *name, int at_flags, char ***ret_strv) {
int r;
_cleanup_free_ char *nulstr = NULL;
size_t nulstr_size = 0;
r = getxattr_at_malloc(fd, path, name, at_flags, &nulstr, &nulstr_size);
if (r < 0)
return r;
_cleanup_strv_free_ char **l = strv_parse_nulstr(nulstr, nulstr_size);
if (!l)
return -ENOMEM;
*ret_strv = TAKE_PTR(l);
return 0;
}
static int listxattr_pinned_internal(
int fd,
const char *path,

1
src/basic/xattr-util.h
View File

@@ -20,6 +20,7 @@ static inline int fgetxattr_malloc(int fd, const char *name, char **ret, size_t
}
int getxattr_at_bool(int fd, const char *path, const char *name, int at_flags);
int getxattr_at_strv(int fd, const char *path, const char *name, int at_flags, char ***ret_strv);
int listxattr_at_malloc(int fd, const char *path, int at_flags, char **ret);
static inline int listxattr_malloc(const char *path, char **ret) {