From 991b8d0ffb6d38ed72aee1ee6a8135101cff2a4d Mon Sep 17 00:00:00 2001
From: Brian Pane <brianp@apache.org>
Date: Thu, 22 Nov 2001 06:03:10 +0000
Subject: [PATCH] fix for a segfault that occurred when mod_include was used to
 deliver files shorter than 5 bytes

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@92131 13f79535-47bb-0310-9956-ffa450edef68
---
 modules/filters/mod_include.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/modules/filters/mod_include.c b/modules/filters/mod_include.c
index e1f7112566..3da84a98d5 100644
--- a/modules/filters/mod_include.c
+++ b/modules/filters/mod_include.c
@@ -418,10 +418,15 @@ static apr_bucket *find_start_sequence(apr_bucket *dptr, include_ctx_t *ctx,
         }
         
         /* Consider the case where we have <!-- at the end of the bucket. */
-        ctx->bytes_parsed += len - slen;
+        if (len > slen) {
+            ctx->bytes_parsed += (len - slen);
+            c = buf + len - slen;
+        }
+        else {
+            c = buf;
+        }
         ctx->parse_pos = 0;
 
-        c = buf + len - slen + 1;
         while (c < buf + len)
         {
             if (*c == str[ctx->parse_pos]) {
-- 
2.40.0