output signature too

dtool/src/prc/configPage.cxx

@@ -363,6 +363,33 @@ output(ostream &out) const {
       << " declarations.";
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: ConfigPage::output_brief_signature
+//       Access: Published
+//  Description: Outputs the first few hex digits of the signature.
+////////////////////////////////////////////////////////////////////
+void ConfigPage::
+output_brief_signature(ostream &out) const {
+  size_t num_bytes = min(_signature.size(), (size_t)8);
+  for (size_t p = 0; p < num_bytes; ++p) {
+    unsigned int byte = _signature[p];
+
+    unsigned int hi = (byte >> 4) & 0xf;
+    if (hi >= 10) {
+      out << (char)((hi - 10) + 'a');
+    } else {
+      out << (char)(hi + '0');
+    }
+
+    unsigned int lo = byte & 0xf;
+    if (lo >= 10) {
+      out << (char)((lo - 10) + 'a');
+    } else {
+      out << (char)(lo + '0');
+    }
+  }
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: ConfigPage::write
 //       Access: Published

dtool/src/prc/configPage.h

@@ -67,6 +67,7 @@ PUBLISHED:
   bool is_variable_used(int n) const;
 
   void output(ostream &out) const;
+  void output_brief_signature(ostream &out) const;
   void write(ostream &out) const;
 
 private:

dtool/src/prc/configPageManager.cxx

@@ -432,9 +432,13 @@ write(ostream &out) const {
     const ConfigPage *page = (*pi);
     out << "  " << page->get_name();
     if (page->get_trust_level() > 0) {
-      out << "  (signed " << page->get_trust_level() << ")\n";
+      out << "  (signed " << page->get_trust_level() << ": ";
+      page->output_brief_signature(out);
+      out << ")\n";
     } else if (!page->get_signature().empty()) {
-      out << "  (invalid signature)\n";
+      out << "  (invalid signature: ";
+      page->output_brief_signature(out);
+      out << ")\n";
     } else {
       out << "\n";
     }
@@ -445,9 +449,13 @@ write(ostream &out) const {
     const ConfigPage *page = (*pi);
     out << "  " << page->get_name();
     if (page->get_trust_level() > 0) {
-      out << "  (signed " << page->get_trust_level() << ")\n";
+      out << "  (signed " << page->get_trust_level() << ": ";
+      page->output_brief_signature(out);
+      out << ")\n";
     } else if (!page->get_signature().empty()) {
-      out << "  (invalid signature)\n";
+      out << "  (invalid signature: ";
+      page->output_brief_signature(out);
+      out << ")\n";
     } else {
       out << "\n";
     }