X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Futil.c;h=f0e0c0dd3d0c6f1ea9583a0ac49d361034aae0aa;hb=9a67bcf27554ee0688198e4d4eb5e541861bf7cb;hp=3411cea34305b783420ec88f2f3cb91dd2a9e6bf;hpb=f4934dfaaac70c6d0d49463af62cbd089bfa64c8;p=elogind.git

diff --git a/src/shared/util.c b/src/shared/util.c
index 3411cea34..f0e0c0dd3 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;