comparison src/helper.cpp @ 27:62a0cda8b099

Add version output

     Except as contained in this notice, the names of the Centre for
     Digital Music and Queen Mary, University of London shall not be
     used in advertising or otherwise to promote the sale, use or other
     dealings in this Software without prior written authorization.
 */
+
+#include "../version.h"
 
 #ifdef _WIN32
 #include <windows.h>
 #include <process.h>
 #include <string>

 int main(int argc, char **argv)
 {
     bool allGood = true;
     string soname;
 
-    if (argc != 2) {
-        cerr << "\nUsage:\n    " << argv[0] << " descriptorname\n"
+    bool showUsage = false;
+    
+    if (argc > 1) {
+        string opt = argv[1];
+        if (opt == "-?" || opt == "-h" || opt == "--help") {
+            showUsage = true;
+        } else if (opt == "-v" || opt == "--version") {
+            cout << CHECKER_VERSION << endl;
+            return 0;
+        }
+    } 
+    
+    if (argc != 2 || showUsage) {
+        cerr << endl;
+        cerr << "plugin-checker-helper: Test shared library objects for plugins to be" << endl;
+        cerr << "loaded via descriptor functions." << endl;
+        cerr << "\n    Usage: plugin-checker-helper <descriptorname>\n"
             "\nwhere descriptorname is the name of a plugin descriptor symbol to be sought\n"
             "in each library (e.g. vampGetPluginDescriptor for Vamp plugins). The list of\n"
             "candidate plugin library filenames is read from stdin.\n" << endl;
         return 2;
     }