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From d8e1faeaa99c7a7c07af01c1c72de352eb590a3e Mon Sep 17 00:00:00 2001
From: Jüri Aedla <asd@ut.ee>
Date: Mon, 07 May 2012 07:06:56 +0000
Subject: Fix an off by one pointer access
getting out of the range of memory allocated for xpointer decoding
---
diff --git a/xpointer.c b/xpointer.c
index 37afa3a..0b463dd 100644
--- a/xpointer.c
+++ b/xpointer.c
@@ -1007,21 +1007,14 @@ xmlXPtrEvalXPtrPart(xmlXPathParserContextPtr ctxt, xmlChar *name) {
NEXT;
break;
}
- *cur++ = CUR;
} else if (CUR == '(') {
level++;
- *cur++ = CUR;
} else if (CUR == '^') {
- NEXT;
- if ((CUR == ')') || (CUR == '(') || (CUR == '^')) {
- *cur++ = CUR;
- } else {
- *cur++ = '^';
- *cur++ = CUR;
- }
- } else {
- *cur++ = CUR;
+ if ((NXT(1) == ')') || (NXT(1) == '(') || (NXT(1) == '^')) {
+ NEXT;
+ }
}
+ *cur++ = CUR;
NEXT;
}
*cur = 0;
--
cgit v0.9.0.2
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