---------------------
PatchSet 10285 
Date: 2007/12/20 10:32:38
Author: adri
Branch: s27_adri
Tag: (none) 
Log:
Fix a bug in the buffer size calculation, simplify the code somewhat.

This fix brought to you in 30 minutes by Valgrind, saviour of the day.

Members: 
	libbuf/buf.c:1.1.2.6->1.1.2.7 

Index: squid/libbuf/buf.c
===================================================================
RCS file: /cvsroot/squid-sf//squid/libbuf/Attic/buf.c,v
retrieving revision 1.1.2.6
retrieving revision 1.1.2.7
diff -u -r1.1.2.6 -r1.1.2.7
--- squid/libbuf/buf.c	19 Dec 2007 07:56:22 -0000	1.1.2.6
+++ squid/libbuf/buf.c	20 Dec 2007 10:32:38 -0000	1.1.2.7
@@ -165,12 +165,11 @@
 int
 buf_append(buf_t *b, const void *src, size_t len, buf_flags_t flags)
 {
-	if (b->size - b->len < len + 1) {
-		if (!buf_changesize(b, b->size + b->len + 1)) {
-			/* tsk! */
-			return -1;
-		}
+	if (!buf_changesize(b, b->size + len + 1)) {
+		/* tsk! */
+		return -1;
 	}
+        assert(b->len + len < b->size);
 	memcpy(b->b + b->len, src, len);
 	b->len += len;
 #if 0