-#define COPYRIGHT "Copyright (c) 1997-2006 by Andre Noll"
-
-#define LICENSE "This is free software with ABSOLUTELY NO WARRANTY. " \
- "See COPYING for details."
-
+/**
+ * define a standard log function that always writes to stderr
+ *
+ * \param loglevel_barrier If the loglevel of the current message
+ * is less than that, the message is going to be ignored.
+ *
+ */
+#define INIT_STDERR_LOGGING(loglevel_barrier) \
+ __printf_2_3 void para_log(int ll, const char* fmt,...) \
+ { \
+ va_list argp; \
+ if (ll < loglevel_barrier) \
+ return; \
+ va_start(argp, fmt); \
+ vfprintf(stderr, fmt, argp); \
+ va_end(argp); \
+ }
+
+/** version text used by various commands if -V switch was given */
+#define VERSION_TEXT(prefix) "para_" prefix " " PACKAGE_VERSION "\n" \
+ "Copyright (C) 2007 Andre Noll\n" \
+ "This is free software with ABSOLUTELY NO WARRANTY." \
+ " See COPYING for details.\n" \
+ "Written by Andre Noll.\n" \
+ "Report bugs to <maan@systemlinux.org>.\n"
+
+/** print out \p VERSION_TEXT and exit if version flag was given */
+#define HANDLE_VERSION_FLAG(_prefix, _args_info_struct) \
+ if (_args_info_struct.version_given) { \
+ printf("%s", VERSION_TEXT(_prefix)); \
+ exit(EXIT_SUCCESS); \
+ }
+/** sent by para_server for commands that expect a data file */