commit dfd68c48be0fb999f59dc7950e1c449d91925048
parent 7cd3150df7612db2aa6aab6dacdda57810fd2888
Author: FRIGN <dev@frign.de>
Date: Mon, 28 Jul 2014 13:33:58 +0200
Add arg.h
Diffstat:
| A | arg.h | | | 63 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| M | quark.c | | | 3 | +++ |
2 files changed, 66 insertions(+), 0 deletions(-)
diff --git a/arg.h b/arg.h
@@ -0,0 +1,63 @@
+/*
+ * Copy me if you can.
+ * by 20h
+ */
+
+#ifndef ARG_H__
+#define ARG_H__
+
+extern char *argv0;
+
+/* use main(int argc, char *argv[]) */
+#define ARGBEGIN for (argv0 = *argv, argv++, argc--;\
+ argv[0] && argv[0][1]\
+ && argv[0][0] == '-';\
+ argc--, argv++) {\
+ char argc_;\
+ char **argv_;\
+ int brk_;\
+ if (argv[0][1] == '-' && argv[0][2] == '\0') {\
+ argv++;\
+ argc--;\
+ break;\
+ }\
+ for (brk_ = 0, argv[0]++, argv_ = argv;\
+ argv[0][0] && !brk_;\
+ argv[0]++) {\
+ if (argv_ != argv)\
+ break;\
+ argc_ = argv[0][0];\
+ switch (argc_)
+
+/* Handles obsolete -NUM syntax */
+#define ARGNUM case '0':\
+ case '1':\
+ case '2':\
+ case '3':\
+ case '4':\
+ case '5':\
+ case '6':\
+ case '7':\
+ case '8':\
+ case '9'
+
+#define ARGEND }\
+ }
+
+#define ARGC() argc_
+
+#define ARGNUMF(base) (brk_ = 1, estrtol(argv[0], (base)))
+
+#define EARGF(x) ((argv[0][1] == '\0' && argv[1] == NULL)?\
+ ((x), abort(), (char *)0) :\
+ (brk_ = 1, (argv[0][1] != '\0')?\
+ (&argv[0][1]) :\
+ (argc--, argv++, argv[0])))
+
+#define ARGF() ((argv[0][1] == '\0' && argv[1] == NULL)?\
+ (char *)0 :\
+ (brk_ = 1, (argv[0][1] != '\0')?\
+ (&argv[0][1]) :\
+ (argc--, argv++, argv[0])))
+
+#endif
diff --git a/quark.c b/quark.c
@@ -17,6 +17,9 @@
#include <sys/stat.h>
#include <sys/wait.h>
+#include "arg.h"
+char *argv0;
+
#define LENGTH(x) (sizeof x / sizeof x[0])
#define MAXBUFLEN 1024
#define MIN(x,y) ((x) < (y) ? (x) : (y))
