X-Git-Url: https://git.danieliu.xyz/?p=surf.git;a=blobdiff_plain;f=arg.h;fp=arg.h;h=6414822f7f9a1803a2155c4deac10809574d26c0;hp=0000000000000000000000000000000000000000;hb=4ce3808684c5ea5d14eab0c3e24119784d2ae255;hpb=0b885f18e3aebee047e952620f8541491fe77b8a

diff --git a/arg.h b/arg.h
new file mode 100644
index 0000000..6414822
--- /dev/null
+++ b/arg.h
@@ -0,0 +1,41 @@
+/*
+ * Copy me if you can.
+ * by 20h
+ */
+
+#ifndef __ARG_H__
+#define __ARG_H__
+
+extern char *argv0;
+
+#define USED(x) ((void)(x))
+
+#define ARGBEGIN	for (argv0 = *argv, argv++, argc--;\
+					argv[0] && argv[0][1]\
+					&& argv[0][0] == '-';\
+					argc--, argv++) {\
+				char _argc;\
+				char **_argv;\
+				if (argv[0][1] == '-' && argv[0][2] == '\0') {\
+					argv++;\
+					argc--;\
+					break;\
+				}\
+				for (argv[0]++, _argv = argv; argv[0][0];\
+						argv[0]++) {\
+					if (_argv != argv)\
+						break;\
+					_argc = argv[0][0];\
+					switch (_argc)
+
+#define ARGEND			}\
+				USED(_argc);\
+			}\
+			USED(argv);\
+			USED(argc);
+
+#define EARGF(x)	((argv[1] == NULL)? ((x), abort(), (char *)0) :\
+			(argc--, argv++, argv[0]))
+
+#endif
+