From 1f8a958cf61bc473bb0aa05a133ad40412910811 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <debian@jff-webhosting.net>
Date: Sat, 9 May 2026 17:56:53 +0200
Subject: New upstream version 5.4

---
 src/string.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'src/string.c')

diff --git a/src/string.c b/src/string.c
index e9c162d..445b466 100644
--- a/src/string.c
+++ b/src/string.c
@@ -7,6 +7,9 @@
  *	General Public License as published by the Free Software Foundation;
  *	either version 2.1 or (at your option) any later version.
  */
+#ifdef HAVE_CONFIG_H
+#	include "config.h"
+#endif
 #include <errno.h>
 #include <limits.h>
 #include <math.h> /* nextafter */
@@ -16,6 +19,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#ifdef HAVE_STRINGS_H
+#	include <strings.h>
+#endif
 #include <libHX/ctype_helper.h>
 #include <libHX/string.h>
 #include "internal.h"
@@ -176,7 +182,6 @@ EXPORT_SYMBOL void *HX_memmem(const void *vspace, size_t spacesize,
 	const char *space = vspace, *point = vpoint;
 	const char *head, *end;
 	size_t tailsize;
-	char *tail;
 
 	if (pointsize == 0)
 		return const_cast1(void *, vspace);
@@ -185,9 +190,9 @@ EXPORT_SYMBOL void *HX_memmem(const void *vspace, size_t spacesize,
 
 	/* Do a BM-style trailer search and reduce calls to memcmp */
 	head = space + (pointsize - 1);
-	tail = memchr(head, point[pointsize-1], spacesize - (pointsize - 1));
+	const char *tail = memchr(head, point[pointsize-1], spacesize - (pointsize - 1));
 	if (tail == NULL || pointsize == 1)
-		return tail;
+		return const_cast1(char *, tail);
 	end = space + spacesize;
 	do {
 		head = tail - pointsize + 1;
-- 
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