Fixed xml.c verbosity in debug builds

Squashed commit of the following:

commit 9ed7fee198
Author: ooxi <85fcd0ef4ec8@f977375cdcd6.anonbox.net>
Date:   Thu Nov 1 18:20:04 2012 +0100

    xml.c parser verbosity

commit 97d4cbade8
Author: ooxi <85fcd0ef4ec8@f977375cdcd6.anonbox.net>
Date:   Thu Nov 1 18:19:21 2012 +0100

    xml.c parser verbosity

commit 8c5493710b
Author: ooxi <85fcd0ef4ec8@f977375cdcd6.anonbox.net>
Date:   Thu Nov 1 18:17:13 2012 +0100

    xml.c parser verbosity

commit 3a793c8c7d
Author: ooxi <85fcd0ef4ec8@f977375cdcd6.anonbox.net>
Date:   Thu Nov 1 18:16:37 2012 +0100

    xml parser verbosity

.travis.yml

@@ -4,5 +4,5 @@ compiler:
 before_install:
   - sudo apt-get install cmake valgrind
 script:
-  - mkdir build && cd build && cmake -DCMAKE_BUILD_TYPE=Debug .. && make && ./test-xml && valgrind --tool=memcheck --leak-check=full --track-origins=yes -v ./test-xml
+  - mkdir build && cd build && cmake -DCMAKE_BUILD_TYPE=Debug -DXML_PARSER_VERBOSE=On .. && make && ./test-xml && valgrind --tool=memcheck --leak-check=full --track-origins=yes -v ./test-xml
 

CMakeLists.txt

@@ -10,6 +10,13 @@ CMAKE_MINIMUM_REQUIRED(VERSION 2.6.0 FATAL_ERROR)
 SET(CMAKE_C_FLAGS_DEBUG "-g -DDEBUG")
 SET(CMAKE_C_FLAGS_RELEASE "-O2")
 
+# Options
+OPTION(XML_PARSER_VERBOSE "Enable to be told everything the xml parser does" OFF)
+
+IF(XML_PARSER_VERBOSE)
+	ADD_DEFINITIONS(-DXML_PARSER_VERBOSE)
+ENDIF(XML_PARSER_VERBOSE)
+
 
 # Sources
 SET(SOURCE_DIRECTORY src)

src/xml.c

@@ -196,7 +196,7 @@ static void xml_node_free(struct xml_node* node) {
  *
  * Echos the parsers call stack for debugging purposes
  */
-#ifdef DEBUG
+#ifdef XML_PARSER_VERBOSE
 static void xml_parser_info(struct xml_parser* parser, char const* message) {
 	fprintf(stdout, "xml_parser_info %s\n", message);
 }
@@ -279,7 +279,7 @@ static void xml_parser_consume(struct xml_parser* parser, size_t n) {
 
 	/* Debug information
 	 */
-	#ifdef DEBUG
+	#ifdef XML_PARSER_VERBOSE
 	#define min(X,Y) ((X) < (Y) ? (X) : (Y))
 	char* consumed = alloca((n + 1) * sizeof(char));
 	memcpy(consumed, &parser->buffer[parser->position], min(n, parser->length - parser->position));