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prog.h

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+/*
+ * Copyright 2008-2013 Various Authors
+ * Copyright 2005 Timo Hirvonen
+ *
+ * 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.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CMUS_PROG_H
+#define CMUS_PROG_H
+
+#include "compiler.h"
+
+/* set in beginning of main */
+extern char *program_name;
+
+struct option {
+	/* short option or 0 */
+	int short_opt;
+
+	/* long option or NULL */
+	const char *long_opt;
+
+	/* does option have an argument */
+	int has_arg;
+};
+
+/*
+ * arg: returned argument if .has_arg is 1
+ *
+ * returns: index to options array or -1 of no more options
+ */
+int get_option(char **argv[], const struct option *options, char **arg);
+
+void warn(const char *format, ...) CMUS_FORMAT(1, 2);
+void warn_errno(const char *format, ...) CMUS_FORMAT(1, 2);
+void die(const char *format, ...) CMUS_FORMAT(1, 2) CMUS_NORETURN;
+void die_errno(const char *format, ...) CMUS_FORMAT(1, 2) CMUS_NORETURN;
+
+#endif