File pesign-bsc1258751-constify-return-of-strrchr.patch of Package pesign

From b18e40d16e91f122df2c54e5ee06cc5bc259e34e Mon Sep 17 00:00:00 2001
From: Gary Lin <glin@suse.com>
Date: Wed, 25 Feb 2026 09:32:45 +0800
Subject: [PATCH] pesum: Constify the return pointer of strrchr()

Since glibc 2.23, strrchr() returns a const pointer when given a const
pointer as input. Declare 'ext' as 'const char *' to avoid the potential
compilation error.

Signed-off-by: Gary Lin <glin@suse.com>
---
 src/pesum.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pesum.c b/src/pesum.c
index e4ddaf8..5d7dcb9 100644
--- a/src/pesum.c
+++ b/src/pesum.c
@@ -141,7 +141,7 @@ main(int argc, char *argv[])
 	while ((infile = poptGetArg(optCon)) != NULL) {
 		pesign_context *ctxp = NULL;
 
-		char *ext = strrchr(infile, '.');
+		const char *ext = strrchr(infile, '.');
 		if (ext && strcmp(ext, ".ko") == 0)
 			fmt = FORMAT_KERNEL_MODULE;
 
-- 
2.51.0