1 files changed, 24 insertions, 0 deletions
diff --git a/src/basic/parse-util.c b/src/basic/parse-util.c
index 54d1081a0..c8bca5a30 100644
--- a/src/basic/parse-util.c
+++ b/src/basic/parse-util.c
@@ -536,6 +536,30 @@ int safe_atoi16(const char *s, int16_t *ret) {
         return 0;
 }
 
+int safe_atoux16(const char *s, uint16_t *ret) {
+        char *x = NULL;
+        unsigned long l;
+
+        assert(s);
+        assert(ret);
+
+        s += strspn(s, WHITESPACE);
+
+        errno = 0;
+        l = strtoul(s, &x, 16);
+        if (errno > 0)
+                return -errno;
+        if (!x || x == s || *x != 0)
+                return -EINVAL;
+        if (s[0] == '-')
+                return -ERANGE;
+        if ((unsigned long) (uint16_t) l != l)
+                return -ERANGE;
+
+        *ret = (uint16_t) l;
+        return 0;
+}
+
 int safe_atod(const char *s, double *ret_d) {
         _cleanup_(freelocalep) locale_t loc = (locale_t) 0;
         char *x = NULL;