1 files changed, 77 insertions, 0 deletions
diff --git a/src/getlopt.h b/src/getlopt.h
new file mode 100644
index 0000000..3fca39c
--- /dev/null
+++ b/src/getlopt.h
@@ -0,0 +1,77 @@
+/*
+	getlopt: command line option/parameter parsing
+
+	copyright ?-2006 by the mpg123 project - free software under the terms of the LGPL 2.1
+	see COPYING and AUTHORS files in distribution or http://mpg123.org
+	initially written Oliver Fromme
+	old timestamp: Tue Apr  8 07:13:39 MET DST 1997
+*/
+
+#include <stdlib.h>
+#include <string.h>
+
+
+#ifndef _MPG123_GETLOPT_H_
+#define _MPG123_GETLOPT_H_
+
+extern int loptind;	/* index in argv[] */
+extern int loptchr;	/* index in argv[loptind] */
+extern char *loptarg;	/* points to argument if present, else to option */
+
+typedef struct {
+	char sname;	/* short option name, can be 0 */
+	char *lname;	/* long option name, can be 0 */
+	int flags;	/* see below */
+	void (*func)(char *);	/* called if != 0 (after setting of var) */
+	void *var;	/* type is *long, *char or **char, see below */
+	long value;
+} topt;
+
+/* ThOr: make this clear; distict long from int (since this is != on my Alpha) and really use a flag for every case (spare the 0 case 
+for .... no flag) */
+#define GLO_ARG  1
+#define GLO_CHAR 2
+#define GLO_INT  4
+#define GLO_LONG 8
+#define GLO_DOUBLE 16
+
+/* flags:
+ *	bit 0 = 0 - no argument
+ *		if var != NULL
+ *			*var := value or (char)value [see bit 1]
+ *		else
+ *			loptarg = &option
+ *			return ((value != 0) ? value : sname)
+ *	bit 0 = 1 - argument required
+ *		if var != NULL
+ *			*var := atoi(arg) or strdup(arg) [see bit 1]
+ *		else
+ *			loptarg = &arg
+ *			return ((value != 0) ? value : sname)
+ *
+ *	bit 1 = 1 - var is a pointer to a char (or string),
+ *			and value is interpreted as char
+ *	bit 2 = 1 - var is a pointer to int
+ *	bit 3 = 1 - var is a pointer to long
+ *
+ * Note: The options definition is terminated by a topt
+ *	 containing only zeroes.
+ */
+
+#define GLO_END		0
+#define GLO_UNKNOWN	-1
+#define GLO_NOARG	-2
+#define GLO_CONTINUE	-3
+
+int getlopt (int argc, char *argv[], topt *opts);
+
+/* return values:
+ *	GLO_END		(0)	end of options
+ *	GLO_UNKNOWN	(-1)	unknown option *loptarg
+ *	GLO_NOARG	(-2)	missing argument
+ *	GLO_CONTINUE	(-3)	(reserved for internal use)
+ *	else - return value according to flags (see above)
+ */
+
+
+#endif