# HG changeset patch
# User Chris Cannam <cannam@all-day-breakfast.com>
# Date 1497367464 -3600
# Node ID fdab0a246298e348549d4923b545d9a8763147e1
# Parent  d00199f3b010159d5b9e292a9e83ff55185d0150
Report and fail if no plugins found (i.e. wrong library name, usually)

diff -r d00199f3b010 -r fdab0a246298 vamp-stubber/stubber.cpp
--- a/vamp-stubber/stubber.cpp	Tue Jun 13 16:07:58 2017 +0100
+++ b/vamp-stubber/stubber.cpp	Tue Jun 13 16:24:24 2017 +0100
@@ -322,7 +322,13 @@
     }
     
     string libname = arg;
-
+    
+    auto li = libname.rfind('.');
+    if (li != std::string::npos) {
+        cerr << "NOTE: library name is to be specified without extension, dropping \"" << libname.substr(li) << "\"" << endl;
+        libname = libname.substr(0, li);
+    }
+    
     try {            
         initFds(false);
     } catch (exception &e) {
@@ -336,6 +342,16 @@
 
     resumeOutput();
 
+    if (resp.available.empty()) {
+        cerr << "ERROR: No plugin(s) found in library named \""
+             << libname << "\"\nCheck that the library name is correct and the right files are in $VAMP_PATH.\nThat would mean either "
+             << libname << ".so, " << libname << ".dll, or " << libname
+             << ".dylib (depending on your platform), as well as "
+             << libname << ".n3 and " << libname << ".cat."
+             << endl;
+        exit(1);
+    }
+    
     emitFor(libname, resp);
     
     exit(0);