File dico-soundex-break-loop-on-string-end.patch of Package dico

From d71b9986a697c5e7024e84b7f71365996be839ed Mon Sep 17 00:00:00 2001
From: Sergey Poznyakoff <gray@gnu.org>
Date: Tue, 8 Apr 2025 23:08:04 +0300
Subject: Bugfix

* lib/soundex.c (dico_soundex): Break the loop on hitting end
of string.
---
 lib/soundex.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/soundex.c b/lib/soundex.c
index f9eb464..c543480 100644
--- a/lib/soundex.c
+++ b/lib/soundex.c
@@ -100,6 +100,8 @@ dico_soundex(const char *text, char codestr[DICO_SOUNDEX_SIZE])
 	return -1;
     s = input;
     do {
+	if (*s == 0)
+	    break;
 	codestr[0] = utf8_wc_toupper(*s++);
     } while (codestr[0] > 127 || (prev = soundex_code(codestr[0])) == 0);
     for (i = 1; i < DICO_SOUNDEX_SIZE-1 && *s; s++) {
-- 
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