libxml now grok Docbook-3.1.5 and Docbook-4.1.1 DTDs, this

popped out a couple of bugs and 3 speed issues, there is only
on minor speed issue left. Assorted collection of user reported
bugs and fixes:
- doc/encoding.html: added encoding aliases doc
- doc/xml.html: updates
- encoding.[ch]: added EncodingAliases functions
- entities.[ch] valid.[ch] debugXML.c: removed two serious
  bottleneck affecting large DTDs like Docbook
- parser.[ch] xmllint.c: added a pedantic option, will be useful
- SAX.c: redefinition of entities is reported in pedantic mode
- testHTML.c: uninitialized warning from gcc
- uri.c: fixed a couple of bugs
- TODO: added issue raised by Michael
Daniel

1 files changed, 3 insertions, 2 deletions

diff --git a/uri.c b/uri.c
index 28810c7c..4f4452a6 100644
--- a/uri.c
+++ b/uri.c
@@ -1024,14 +1024,15 @@ xmlParseURIPathSegments(xmlURIPtr uri, const char **str, int slash) {
 	    *str = cur;
 	    return(-1);
 	}
-	path[len] = '\0';
 	if (uri->path != NULL)
 	    memcpy(path, uri->path, len2);
 	if (slash) {
 	    path[len2] = '/';
 	    len2++;
 	}
-	xmlURIUnescapeString(*str, cur - *str, &path[len2]);
+	path[len2] = 0;
+	if (cur - *str > 0)
+	    xmlURIUnescapeString(*str, cur - *str, &path[len2]);
 	if (uri->path != NULL)
 	    xmlFree(uri->path);
 	uri->path = path;