Support --version in utility programs.

[adns.git] / client / client.h

diff --git a/client/client.h b/client/client.h
new file mode 100644 (file)
index 0000000..2e74b12
--- /dev/null
+++ b/client/client.h
@@ -0,0 +1,52 @@
+/*
+ * clients.h
+ * - useful declarations and definitions for adns client programs
+ */
+/*
+ *  This file is
+ *    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
+ *
+ *  It is part of adns, which is
+ *    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
+ *    Copyright (C) 1999-2000 Tony Finch <dot@dotat.at>
+ *  
+ *  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, or (at your option)
+ *  any later version.
+ *  
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *  
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software Foundation,
+ *  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 
+ */
+
+#ifndef CLIENT_H_INCLUDED
+#define CLIENT_H_INCLUDED
+
+#define ADNS_VERSION_STRING "1.0"
+
+#define COPYRIGHT_MESSAGE \
+ "Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>\n" \
+ "Copyright (C) 1999-2000 Tony Finch <dot@dotat.at>\n" \
+ "This is free software; see the source for copying conditions.  There is NO\n" \
+ "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"
+
+#define VERSION_MESSAGE(program) \
+ program " (GNU adns) " ADNS_VERSION_STRING "\n\n" COPYRIGHT_MESSAGE
+
+#define VERSION_PRINT_QUIT(program)                               \
+  if (fputs(VERSION_MESSAGE(program),stdout) == EOF ||            \
+      fclose(stdout)) {                                           \
+    perror(program ": write version message");                    \
+    quitnow(-1);                                                  \
+  }                                                               \
+  quitnow(0);
+
+void quitnow(int rc) NONRETURNING;
+
+#endif