From 839d1b20147470c194765b48c1c4acd1d0602512 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 25 Nov 2019 16:22:10 +0100
Subject: [PATCH] string-util: add brief explanatory comment

---
 src/basic/string-util.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/basic/string-util.c b/src/basic/string-util.c
index 61809ab065..8f812d7cbe 100644
--- a/src/basic/string-util.c
+++ b/src/basic/string-util.c
@@ -1054,6 +1054,8 @@ bool string_is_safe(const char *p) {
         if (!p)
                 return false;
 
+        /* Checks if the specified string contains no quotes or control characters */
+
         for (t = p; *t; t++) {
                 if (*t > 0 && *t < ' ') /* no control characters */
                         return false;