From 2f14d1e94e8c1d96c7e8466412a94ed2e45f5b17 Mon Sep 17 00:00:00 2001
From: Victor Julien <victor@inliniac.net>
Date: Mon, 16 Dec 2013 13:29:06 +0100
Subject: [PATCH] Fix compiler warning:
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array subscript has type ‘char’ [-Werror=char-subscripts]
---
 src/detect-pcre.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/detect-pcre.c b/src/detect-pcre.c
index 9b16c22750..ff45b9245b 100644
--- a/src/detect-pcre.c
+++ b/src/detect-pcre.c
@@ -478,7 +478,7 @@ static DetectPcreData *DetectPcreParse (DetectEngineCtx *de_ctx, char *regexstr,
         } else {
             re_len = strlen(re);
             for (u = 0; u < re_len; u++) {
-                if (isupper(re[u])) {
+                if (isupper((unsigned char)re[u])) {
                     SCLogError(SC_ERR_INVALID_SIGNATURE, "pcre host(\"W\") "
                                "specified has an uppercase char.  "
                                "Since the hostname buffer we match against "
-- 
2.47.3