qpkg: added copyright headers and changed name to emphasize speediness

- Makefile, gobble.h, gobble.c, id.h, id.c, prereq.h, prereq.c, qpkg.h,
  qpkg.c, rbtest.c: added copyright header
- id.c: include jrb.h (for completeness)
- README: change name from "Query package databases" to "Quick package
  database query"

qpkg/Makefile

@@ -1,3 +1,15 @@
+#
+# Makefile - Makefile of qpkg
+#
+# Written 2010 by Werner Almesberger
+# Copyright 2010 by Werner Almesberger
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+
 SHELL = /bin/bash
 
 OBJS_qpkg = gobble.o id.o prereq.o qpkg.o jrb.o

qpkg/README

@@ -1,5 +1,5 @@
-qpkg - Query package databases
+qpkg - Quick package database query
-==============================
+===================================
 
 qpkg is a tool that reads package databases of the kind used by opkg
 in OE-derived Jlime (which are very similar to what dpkg and apt use)

qpkg/gobble.c

@@ -1,3 +1,16 @@
+/*
+ * gobble.c - Read a package database file in a hurry
+ *
+ * Written 2010 by Werner Almesberger
+ * Copyright 2010 Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>

qpkg/gobble.h

@@ -1,3 +1,15 @@
+/*
+ * gobble.h - Read a package database file in a hurry
+ *
+ * Written 2010 by Werner Almesberger
+ * Copyright 2010 Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
 #ifndef GOBBLE_H
 #define	GOBBLE_H
 

qpkg/id.c

@@ -1,5 +1,20 @@
+/*
+ * id.c - Registry of unique and alphabetically sorted identifiers
+ *
+ * Written 2010 by Werner Almesberger
+ * Copyright 2010 Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+
 #include <string.h>
 
+#include "jrb.h"
+
 #include "util.h"
 #include "id.h"
 

qpkg/id.h

@@ -1,3 +1,15 @@
+/*
+ * id.h - Registry of unique and alphabetically sorted identifiers
+ *
+ * Written 2010 by Werner Almesberger
+ * Copyright 2010 Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
 #ifndef ID_H
 #define	ID_H
 

qpkg/prereq.c

@@ -1,3 +1,16 @@
+/*
+ * prereq.c - Determine prerequisite packages
+ *
+ * Written 2010 by Werner Almesberger
+ * Copyright 2010 Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>

qpkg/prereq.h

@@ -1,3 +1,15 @@
+/*
+ * prereq.h - Determine prerequisite packages
+ *
+ * Written 2010 by Werner Almesberger
+ * Copyright 2010 Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
 #ifndef PREREQ_H
 #define	PREREQ_H
 

qpkg/qpkg.c

@@ -1,3 +1,16 @@
+/*
+ * qpkg.c - Quick package database query
+ *
+ * Written 2010 by Werner Almesberger
+ * Copyright 2010 Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>

qpkg/qpkg.h

@@ -1,3 +1,15 @@
+/*
+ * qpkg.h - Quick package database query
+ *
+ * Written 2010 by Werner Almesberger
+ * Copyright 2010 Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
 #ifndef QPKG_H
 #define	QPKG_H
 

qpkg/rbtest.c

@@ -1,3 +1,16 @@
+/*
+ * rbtest.c - Very basic regression test for red-black trees
+ *
+ * Written 2010 by Werner Almesberger
+ * Copyright 2010 Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+
 #include <stdio.h>
 #include <string.h>