Update libxml to 2.7.7.

third_party/libxml/gentest.py

 #!/usr/bin/python -u
 #
 # generate a tester program for the API
 #
 import sys
 import os
 import string
 try:
     import libxml2
 except:
@@ skipping 156 matching lines @@
 # These functions have side effects on the global state
 # and hence generate errors on memory allocation tests
 #
 skipped_memcheck = [ "xmlLoadCatalog", "xmlAddEncodingAlias",
    "xmlSchemaInitTypes", "xmlNanoFTPProxy", "xmlNanoFTPScanProxy",
    "xmlNanoHTTPScanProxy", "xmlResetLastError", "xmlCatalogConvert",
    "xmlCatalogRemove", "xmlLoadCatalogs", "xmlCleanupCharEncodingHandlers",
    "xmlInitCharEncodingHandlers", "xmlCatalogCleanup",
    "xmlSchemaGetBuiltInType",
    "htmlParseFile", "htmlCtxtReadFile", # loads the catalogs
-   "xmlTextReaderSchemaValidate", "xmlSchemaCleanupTypes" # initialize the schemas type system
+   "xmlTextReaderSchemaValidate", "xmlSchemaCleanupTypes", # initialize the schemas type system
+   "xmlCatalogResolve", "xmlIOParseDTD" # loads the catalogs
 ]
 
 #
 # Extra code needed for some test cases
 #
 extra_pre_call = {
    "xmlSAXUserParseFile": """
 #ifdef LIBXML_SAX1_ENABLED
         if (sax == (xmlSAXHandlerPtr)&xmlDefaultSAXHandler) user_data = NULL;
 #endif
@@ skipping 12 matching lines @@
 #ifdef LIBXML_SAX1_ENABLED
         if (sax == (xmlSAXHandlerPtr)&xmlDefaultSAXHandler) user_data = NULL;
 #endif
 """,
    "xmlParserInputBufferCreateFd":
        "if (fd >= 0) fd = -1;",
 }
 extra_post_call = {
    "xmlAddChild": 
        "if (ret_val == NULL) { xmlFreeNode(cur) ; cur = NULL ; }",
+   "xmlAddEntity":
+       "if (ret_val != NULL) { xmlFreeNode(ret_val) ; ret_val = NULL; }",
    "xmlAddChildList": 
        "if (ret_val == NULL) { xmlFreeNodeList(cur) ; cur = NULL ; }",
    "xmlAddSibling":
        "if (ret_val == NULL) { xmlFreeNode(elem) ; elem = NULL ; }",
    "xmlAddNextSibling":
        "if (ret_val == NULL) { xmlFreeNode(elem) ; elem = NULL ; }",
    "xmlAddPrevSibling": 
        "if (ret_val == NULL) { xmlFreeNode(elem) ; elem = NULL ; }",
    "xmlDocSetRootElement": 
        "if (doc == NULL) { xmlFreeNode(root) ; root = NULL ; }",
@@ skipping 30 matching lines @@
    "xmlCopyNamespaceList": "if (ret_val != NULL) xmlFreeNsList(ret_val);",
    "xmlNewTextWriter": "if (ret_val != NULL) out = NULL;",
    "xmlNewTextWriterPushParser": "if (ctxt != NULL) {xmlFreeDoc(ctxt->myDoc); ctxt->myDoc = NULL;} if (ret_val != NULL) ctxt = NULL;",
    "xmlNewIOInputStream": "if (ret_val != NULL) input = NULL;",
    "htmlParseChunk": "if (ctxt != NULL) {xmlFreeDoc(ctxt->myDoc); ctxt->myDoc = NULL;}",
    "htmlParseDocument": "if (ctxt != NULL) {xmlFreeDoc(ctxt->myDoc); ctxt->myDoc = NULL;}",
    "xmlParseDocument": "if (ctxt != NULL) {xmlFreeDoc(ctxt->myDoc); ctxt->myDoc = NULL;}",
    "xmlParseChunk": "if (ctxt != NULL) {xmlFreeDoc(ctxt->myDoc); ctxt->myDoc = NULL;}",
    "xmlParseExtParsedEnt": "if (ctxt != NULL) {xmlFreeDoc(ctxt->myDoc); ctxt->myDoc = NULL;}",
    "xmlDOMWrapAdoptNode": "if ((node != NULL) && (node->parent == NULL)) {xmlUnlinkNode(node);xmlFreeNode(node);node = NULL;}",
+   "xmlBufferSetAllocationScheme": "if ((buf != NULL) && (scheme == XML_BUFFER_ALLOC_IMMUTABLE) && (buf->content != NULL) && (buf->content != static_buf_content)) { xmlFree(buf->content); buf->content = NULL;}"
 }
 
 modules = []
 
 def is_skipped_module(name):
     for mod in skipped_modules:
         if mod == name:
             return 1
     return 0
 
@@ skipping 680 matching lines @@
     lst.write("\n")
 lst.write("\n")
 lst.write("\n")
 lst.write("Missing support per module");
 for module in missing_functions.keys():
     lst.write("module %s:\n   %s\n" % (module, missing_functions[module]))
 
 lst.close()