libmm-glib,common-helpers: ishexstr() fails on empty input string

2021-02-14 10:46:49 +01:00
parent 8c30a6b6f8
commit 6d8610d63e
1 changed files with 2 additions and 2 deletions
--- a/libmm-glib/mm-common-helpers.c
+++ b/libmm-glib/mm-common-helpers.c
@@ -1738,9 +1738,9 @@ mm_utils_ishexstr (const gchar *hex)
    gsize len;
    gsize i;

-    /* Length not multiple of 2? */
+    /* Empty string or length not multiple of 2? */
    len = strlen (hex);
-    if (len % 2 != 0)
+    if (len == 0 || (len % 2) != 0)
        return FALSE;

    for (i = 0; i < len; i++) {