summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/shared/util.c22
-rw-r--r--src/shared/util.h1
2 files changed, 23 insertions, 0 deletions
diff --git a/src/shared/util.c b/src/shared/util.c
index 3411cea343..f0e0c0dd3d 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -893,6 +893,28 @@ int readlink_malloc(const char *p, char **ret) {
return readlinkat_malloc(AT_FDCWD, p, ret);
}
+int readlink_value(const char *p, char **ret) {
+ _cleanup_free_ char *link = NULL;
+ char *value;
+ int r;
+
+ r = readlink_malloc(p, &link);
+ if (r < 0)
+ return r;
+
+ value = basename(link);
+ if (!value)
+ return -ENOENT;
+
+ value = strdup(value);
+ if (!value)
+ return -ENOMEM;
+
+ *ret = value;
+
+ return 0;
+}
+
int readlink_and_make_absolute(const char *p, char **r) {
_cleanup_free_ char *target = NULL;
char *k;
diff --git a/src/shared/util.h b/src/shared/util.h
index 24480be682..04f2d8a564 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -270,6 +270,7 @@ char **replace_env_argv(char **argv, char **env);
int readlinkat_malloc(int fd, const char *p, char **ret);
int readlink_malloc(const char *p, char **r);
+int readlink_value(const char *p, char **ret);
int readlink_and_make_absolute(const char *p, char **r);
int readlink_and_canonicalize(const char *p, char **r);