Improve XML serialization, URI parsing, and XPath node set processing.

third_party/libxml/src/uri.c

 /**
  * uri.c: set of generic URI related routines
  *
  * Reference: RFCs 3986, 2732 and 2373
  *
  * See Copyright for the status of this software.
  *
  * daniel@veillard.com
  */
 
 #define IN_LIBXML
 #include "libxml.h"
 
 #include <string.h>
+#include <limits.h>
 
 #include <libxml/xmlmemory.h>
 #include <libxml/uri.h>
 #include <libxml/globals.h>
 #include <libxml/xmlerror.h>
 
 /**
  * MAX_URI_LENGTH:
  *
  * The definition of the URI regexp in the above RFC has no size limit
@@ skipping 302 matching lines @@
     const char *cur = *str;
     unsigned port = 0; /* unsigned for defined overflow behavior */
 
     if (ISA_DIGIT(cur)) {
         while (ISA_DIGIT(cur)) {
             port = port * 10 + (*cur - '0');
 
             cur++;
         }
         if (uri != NULL)
-            uri->port = port & INT_MAX; /* port value modulo INT_MAX+1 */
+            uri->port = port & USHRT_MAX; /* port value modulo USHRT_MAX+1 */
         *str = cur;
         return(0);
     }
     return(1);
 }
 
 /**
  * xmlParse3986Userinfo:
  * @uri:  pointer to an URI structure
  * @str:  the string to analyze
@@ skipping 2210 matching lines @@
     }
 #endif
     memset(&temp, 0, sizeof(temp));
     temp.path = (char *) cal;
     ret = xmlSaveUri(&temp);
     xmlFree(cal);
     return(ret);
 }
 #define bottom_uri
 #include "elfgcchack.h"