[libxml2]Add libxml2 library

libxml2/testModule.c

@@ -0,0 +1,84 @@
+/*
+ * testModule.c : a small tester program for xmlModule
+ *
+ * See Copyright for the status of this software.
+ *
+ * Author: Joel W. Reed
+ */
+
+#define XML_DEPRECATED
+
+#include "libxml.h"
+#include <stdio.h>
+#include <libxml/xmlversion.h>
+
+#ifdef LIBXML_MODULES_ENABLED
+
+#include <limits.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include <libxml/xmlmemory.h>
+#include <libxml/xmlmodule.h>
+#include <libxml/xmlstring.h>
+
+#ifdef _WIN32
+#define MODULE_PATH "."
+#include <stdlib.h> /* for _MAX_PATH */
+#ifndef __MINGW32__
+#define PATH_MAX _MAX_PATH
+#endif
+#else
+#define MODULE_PATH ".libs"
+#endif
+
+/* Used for SCO Openserver*/
+#ifndef PATH_MAX
+#ifdef _POSIX_PATH_MAX
+#define PATH_MAX _POSIX_PATH_MAX
+#else
+#define PATH_MAX 4096
+#endif
+#endif
+
+typedef int (*hello_world_t)(void);
+
+int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
+    xmlChar filename[PATH_MAX];
+    xmlModulePtr module = NULL;
+    hello_world_t hello_world = NULL;
+
+    /* build the module filename, and confirm the module exists */
+    xmlStrPrintf(filename, sizeof(filename),
+                 "%s/testdso%s",
+                 (const xmlChar*)MODULE_PATH,
+                 (const xmlChar*)LIBXML_MODULE_EXTENSION);
+
+    module = xmlModuleOpen((const char*)filename, 0);
+    if (module == NULL) {
+      fprintf(stderr, "Failed to open module\n");
+      return(1);
+    }
+
+    if (xmlModuleSymbol(module, "hello_world", (void **) &hello_world)) {
+      fprintf(stderr, "Failure to lookup\n");
+      return(1);
+    }
+    if (hello_world == NULL) {
+      fprintf(stderr, "Lookup returned NULL\n");
+      return(1);
+    }
+
+    (*hello_world)();
+
+    xmlModuleClose(module);
+
+    return(0);
+}
+
+#else
+int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
+    printf("%s : Module support not compiled in\n", argv[0]);
+    return(0);
+}
+#endif /* LIBXML_MODULES_ENABLED */