lib/chkhash.c: is_valid_hash(): Comment meaning of !hash and *

Signed-off-by: Alejandro Colomar <alx@kernel.org>

diff --git a/lib/chkhash.c b/lib/chkhash.c
index 1723f862cdcc0ea405e32e62ec9bb4902b98197c..101f2004e86224d0b216073ab085cf82779038d4 100644 (file)
--- a/lib/chkhash.c
+++ b/lib/chkhash.c
@@ -38,12 +38,14 @@ match_regex(const char *pattern, const char *string)
 bool 
 is_valid_hash(const char *hash) 
 {
+       // Password temporarily locked
        hash = strprefix(hash, "!") ?: hash;
 
        // Passwordless account; discouraged
        if (streq(hash, ""))
                return true;
 
+       // Password permanently locked (and forgotten)
        if (streq(hash, "*"))
                return true;