build: Fix build when certain modules are disabled

SAX2.c

@@ -1715,10 +1715,8 @@ void
 xmlSAX2EndElement(void *ctx, const xmlChar *name ATTRIBUTE_UNUSED)
 {
     xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
-    xmlNodePtr cur;
 
     if (ctx == NULL) return;
-    cur = ctxt->node;
 
     ctxt->nodemem = -1;
 
@@ -1726,7 +1724,7 @@ xmlSAX2EndElement(void *ctx, const xmlChar *name ATTRIBUTE_UNUSED)
     if (ctxt->validate && ctxt->wellFormed &&
         ctxt->myDoc && ctxt->myDoc->intSubset)
         ctxt->valid &= xmlValidateOneElement(&ctxt->vctxt, ctxt->myDoc,
-					     cur);
+					     ctxt->node);
 #endif /* LIBXML_VALID_ENABLED */
 
 

fuzz/fuzz.h

@@ -39,7 +39,7 @@ extern "C" {
     defined(LIBXML_READER_ENABLED)
   #define HAVE_XML_FUZZER
 #endif
-#if defined(LIBXML_XPATH_ENABLED)
+#if defined(LIBXML_XPTR_ENABLED)
   #define HAVE_XPATH_FUZZER
 #endif
 

fuzz/html.c

@@ -32,6 +32,11 @@ LLVMFuzzerTestOneInput(const char *data, size_t size) {
     size_t maxAlloc, docSize, consumed, chunkSize;
     int opts;
 
+    (void) maxChunkSize;
+    (void) ctxt;
+    (void) consumed;
+    (void) chunkSize;
+
     xmlFuzzDataInit(data, size);
     opts = (int) xmlFuzzReadInt(4);
     maxAlloc = xmlFuzzReadInt(4) % (size + 1);
@@ -60,6 +65,7 @@ LLVMFuzzerTestOneInput(const char *data, size_t size) {
 
     /* Push parser */
 
+#ifdef LIBXML_PUSH_ENABLED
     xmlFuzzMemSetLimit(maxAlloc);
     ctxt = htmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL,
                                     XML_CHAR_ENCODING_NONE);
@@ -78,6 +84,7 @@ LLVMFuzzerTestOneInput(const char *data, size_t size) {
         xmlFreeDoc(ctxt->myDoc);
         htmlFreeParserCtxt(ctxt);
     }
+#endif
 
     /* Cleanup */
 

fuzz/xml.c

@@ -58,6 +58,7 @@ LLVMFuzzerTestOneInput(const char *data, size_t size) {
 
     /* Push parser */
 
+#ifdef LIBXML_PUSH_ENABLED
     xmlFuzzMemSetLimit(maxAlloc);
     ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, docUrl);
     if (ctxt == NULL)
@@ -70,6 +71,7 @@ LLVMFuzzerTestOneInput(const char *data, size_t size) {
             chunkSize = maxChunkSize;
         xmlParseChunk(ctxt, docBuffer + consumed, chunkSize, 0);
     }
+#endif
 
     xmlParseChunk(ctxt, NULL, 0, 1);
     xmlFreeDoc(ctxt->myDoc);

include/libxml/HTMLparser.h

@@ -80,8 +80,12 @@ struct _htmlEntityDesc {
     const char *desc;   /* the description */
 };
 
-#define XML_GLOBALS_HTML \
-  XML_OP(htmlDefaultSAXHandler, xmlSAXHandlerV1, XML_DEPRECATED)
+#ifdef LIBXML_SAX1_ENABLED
+  #define XML_GLOBALS_HTML \
+    XML_OP(htmlDefaultSAXHandler, xmlSAXHandlerV1, XML_DEPRECATED)
+#else
+  #define XML_GLOBALS_HTML
+#endif
 
 #define XML_OP XML_DECLARE_GLOBAL
 XML_GLOBALS_HTML

include/libxml/parser.h

@@ -818,9 +818,8 @@ XMLPUBVAR const char *const xmlParserVersion;
 XMLPUBFUN const char *const *__xmlParserVersion(void);
 #endif
 
-#define XML_GLOBALS_PARSER \
+#define XML_GLOBALS_PARSER_CORE \
   XML_OP(oldXMLWDcompatibility, int, XML_DEPRECATED) \
-  XML_OP(xmlDefaultSAXHandler, xmlSAXHandlerV1, XML_DEPRECATED) \
   XML_OP(xmlDefaultSAXLocator, xmlSAXLocator, XML_DEPRECATED) \
   XML_OP(xmlDoValidityCheckingDefaultValue, int, XML_DEPRECATED) \
   XML_OP(xmlGetWarningsDefaultValue, int, XML_DEPRECATED) \
@@ -831,6 +830,17 @@ XMLPUBFUN const char *const *__xmlParserVersion(void);
   XML_OP(xmlPedanticParserDefaultValue, int, XML_DEPRECATED) \
   XML_OP(xmlSubstituteEntitiesDefaultValue, int, XML_DEPRECATED)
 
+#ifdef LIBXML_SAX1_ENABLED
+  #define XML_GLOBALS_PARSER_SAX1 \
+    XML_OP(xmlDefaultSAXHandler, xmlSAXHandlerV1, XML_DEPRECATED)
+#else
+  #define XML_GLOBALS_PARSER_SAX1
+#endif
+
+#define XML_GLOBALS_PARSER \
+  XML_GLOBALS_PARSER_CORE \
+  XML_GLOBALS_PARSER_SAX1
+
 #define XML_OP XML_DECLARE_GLOBAL
 XML_GLOBALS_PARSER
 #undef XML_OP

runtest.c

@@ -2470,6 +2470,7 @@ errParseTest(const char *filename, const char *result, const char *err,
     return(0);
 }
 
+#if defined(LIBXML_VALID_ENABLED) || defined(LIBXML_HTML_ENABLED)
 /**
  * fdParseTest:
  * @filename: the file to parse
@@ -2534,7 +2535,7 @@ fdParseTest(const char *filename, const char *result, const char *err,
 
     return(0);
 }
-
+#endif
 
 
 #ifdef LIBXML_READER_ENABLED

runxmlconf.c

@@ -9,7 +9,7 @@
 #include <stdio.h>
 #include <libxml/xmlversion.h>
 
-#ifdef LIBXML_XPATH_ENABLED
+#if defined(LIBXML_XPATH_ENABLED) && defined(LIBXML_VALID_ENABLED)
 
 #include <string.h>
 #include <sys/stat.h>
@@ -594,7 +594,7 @@ main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
 #else /* ! LIBXML_XPATH_ENABLED */
 int
 main(int argc ATTRIBUTE_UNUSED, char **argv) {
-    fprintf(stderr, "%s need XPath support\n", argv[0]);
+    fprintf(stderr, "%s need XPath and validation support\n", argv[0]);
     return(0);
 }
 #endif

xmlsave.c

@@ -2256,6 +2256,8 @@ xmlNodeDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur,
     int is_xhtml = 0;
 #endif
 
+    (void) doc;
+
     xmlInitParser();
 
     if ((buf == NULL) || (cur == NULL)) return;