ttxml: ccanlint fixes finished

Meets all of the requirements of ccanlint.
Code coverage of the tests covers everything except for a malloc() failure.
Added some xml files for the tests to work on.

ccan/ttxml/test/run.c

+#include <ccan/ttxml/ttxml.h>
+/* Include the C files directly. */
+#include <ccan/ttxml/ttxml.c>
+#include <ccan/tap/tap.h>
+
+/* print out the heirarchy of an XML file, useful for debugging */
+
+static void xp(XmlNode *x, int level, int max)
+{
+	int i;
+	char text[] = "text";
+	char *name = text;
+	if(level > max)return;
+	if(!x)return;
+	if(x->name)name = x->name;
+	for(i=0; i<level; i++)printf("    ");
+	printf("%s:", name);
+	if(x->name)
+	for(i=0; i<x->nattrib; i++)
+		printf("%s=\"%s\",", x->attrib[i*2], x->attrib[i*2+1]);
+	else printf("%s", x->attrib[0]);
+	printf("\n");
+	if(x->child)xp(x->child, level+1, max);
+	if(x->next)xp(x->next, level, max);
+}
+
+
+
+static int test_load(const char * filename)
+{
+	XmlNode *xml = xml_load(filename);
+	if(!xml) return 0;
+
+	xml_free(xml);
+	return 1;
+}
+
+static int test_find(void)
+{
+	char *ctmp;
+	XmlNode *xtmp, *xml = xml_load("./test/test.xml2");
+	if(!xml)return 0;
+
+	xp(xml, 0, 20);
+
+
+	xtmp = xml_find(xml, "one");
+	if(!xtmp)
+	{
+		printf("Failed to find node\n");	
+		return 0;
+	}
+	printf("node is...\n");
+	xp(xtmp, 0, 20);
+
+	ctmp = xml_attr(xtmp, "barfoo");
+	if(!ctmp)
+	{
+		printf("Failed to find attribute\n");
+		return 0;
+	}
+
+	return 1;
+}
+
+int main(void)
+{
+	XmlNode *x, *t;
+	/* This is how many tests you plan to run */
+	plan_tests(13);
+
+	ok1(x = xml_load("./test/test.xml2"));
+	ok1(!xml_find(x, "Doesn't Exist"));
+	ok1(t = xml_find(x, "one"));
+	ok1(xml_find(t, "two"));
+	ok1(!xml_attr(t, "foobar"));
+	ok1(!xml_attr(t, "Doesn't Exist"));
+	ok1(xml_attr(t, "barfoo"));
+	xml_free(x);
+	/* Simple thing we expect to succeed */
+	ok1(!test_load("does not exist")); /* A file that doesn't exist */
+	ok1(test_load("./test/test.xml")); /* A very large xml file. */
+	ok1(test_load("./test/test.xml2")); /* A basic xml file. */
+	ok1(test_load("./test/test.xml3")); /* Very small well-formed xml file. */
+	ok1(test_load("./test/test.xml4")); /* Smallest well-formed xml file. */
+	ok1(test_load("./test/test.xml5")); /* A single unclosed tag. */
+	/* Same, with an explicit description of the test. */
+//	ok(some_test(), "%s with no args should return 1", "some_test")
+	/* How to print out messages for debugging. */
+//	diag("Address of some_test is %p", &some_test)
+	/* Conditional tests must be explicitly skipped. */
+
+	/* This exits depending on whether all tests passed */
+	return exit_status();
+}

ccan/ttxml/test/test.xml1

+<xmlthisisaverylongtagnameIhopeitmesseswithyourstuff>
+	foobar
+	<one foobar barfoo="Hello \"World\"!" foo=bar>
+		<two/>
+	
+	</one>
+	<one></one>
+	<one></one>
+</xml>

ccan/ttxml/test/test.xml2

+<xmlthisisaverylongtagnameIhopeitmesseswithyourstuff>
+	foobar
+	<one foobar barfoo="Hello \"World\"!" foo=bar>
+		<two/>
+	
+	</one>
+	<one></one>
+	<one></one>
+</xml>

ccan/ttxml/test/test.xml3

+<xml/><one barfoo></one></xml>

ccan/ttxml/test/test.xml4

+<xmltag/>