sfm

commit b5b0bb7ae0c37328124dd8564ff1b15433500af8
parent 62f026d40ee3bc1f3f0c469f7a610afca0fc85be
Author: Christoph Polcin <coco@miconoco.de>
Date:   Fri, 15 Jul 2022 11:16:12 +0200

[fix] cats tolower input avoid undefined behavior

Diffstat:
M
sfm.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sfm.c b/sfm.c
@@ -475,7 +475,7 @@ get_ext(char *str)
 	strncpy(ext, &str[len - counter], MAX_EXT);
 	ext[MAX_EXT] = '\0';
 	for(char *p=ext; *p; p++) {
-		*p=tolower(*p);
+		*p=tolower(*(const unsigned char *)p);
 	}
 	return ext;
 }