arg.h - rohrpost - A commandline mail client to change the world as we see it.
(HTM) git clone git://r-36.net/rohrpost
(DIR) Log
(DIR) Files
(DIR) Refs
(DIR) README
(DIR) LICENSE
---
arg.h (996B)
---
1 /*
2 * Copy me if you can.
3 * by 20h
4 */
5
6 #ifndef ARG_H__
7 #define ARG_H__
8
9 /* use main(int argc, char *argv[]) */
10 #define ARGBEGIN(ARGV0) for (ARGV0 = *argv, argv++, argc--;\
11 argv[0] && argv[0][0] == '-'\
12 && argv[0][1];\
13 argc--, argv++) {\
14 char argc_;\
15 char **argv_;\
16 int brk_;\
17 if (argv[0][1] == '-' && argv[0][2] == '\0') {\
18 argv++;\
19 argc--;\
20 break;\
21 }\
22 for (brk_ = 0, argv[0]++, argv_ = argv;\
23 argv[0][0] && !brk_;\
24 argv[0]++) {\
25 if (argv_ != argv)\
26 break;\
27 argc_ = argv[0][0];\
28 switch (argc_)
29 #define ARGEND }\
30 }
31
32 #define ARGC() argc_
33
34 #define EARGF(x) ((argv[0][1] == '\0' && argv[1] == NULL)?\
35 ((x), abort(), (char *)0) :\
36 (brk_ = 1, (argv[0][1] != '\0')?\
37 (&argv[0][1]) :\
38 (argc--, argv++, argv[0])))
39
40 #define ARGF() ((argv[0][1] == '\0' && argv[1] == NULL)?\
41 (char *)0 :\
42 (brk_ = 1, (argv[0][1] != '\0')?\
43 (&argv[0][1]) :\
44 (argc--, argv++, argv[0])))
45
46 #endif