arg.h - gramscii - A simple editor for ASCII box-and-arrow charts
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arg.h (685B)
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1 #ifndef ARG_H
2 #define ARG_H
3
4 #define USED(x) ((void)(x))
5
6 extern char *argv0;
7
8 #define ARGBEGIN for(argv0 = *argv, argv++, argc--;\
9 argv[0] && argv[0][0] == '-'\
10 && argv[0][1];\
11 argc--, argv++) {\
12 char _argc;\
13 char **_argv;\
14 int i_;\
15 if(argv[0][1] == '-' && argv[0][2] == '\0') {\
16 argv++;\
17 argc--;\
18 break;\
19 }\
20 for(i_ = 1, _argv = argv; argv[0][i_];\
21 i_++) {\
22 if(_argv != argv)\
23 break;\
24 _argc = argv[0][i_];\
25 switch(_argc)
26
27 #define ARGEND }\
28 USED(_argc);\
29 }\
30 USED(argv);\
31 USED(argc);
32
33 #define EARGF(x) ((argv[1] == NULL)? ((x), abort(), (char *)0) :\
34 (argc--, argv++, argv[0]))
35
36 #endif
37