arg.h - limestone - A KDE marble commandline interface.
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       ---
       arg.h (1091B)
       ---
            1 /*
            2  * Copy me if you can.
            3  * by 20h
            4  */
            5 
            6 #ifndef __ARG_H__
            7 #define __ARG_H__
            8 
            9 extern char *argv0;
           10 
           11 #define USED(x)                ((void)(x))
           12 
           13 /* use main(int argc, char *argv[]) */
           14 #define ARGBEGIN        for (argv0 = *argv, argv++, argc--;\
           15                                         argv[0] && argv[0][1]\
           16                                         && argv[0][0] == '-';\
           17                                         argc--, argv++) {\
           18                                 char _argc;\
           19                                 char **_argv;\
           20                                 int brk;\
           21                                 if (argv[0][1] == '-' && argv[0][2] == '\0') {\
           22                                         argv++;\
           23                                         argc--;\
           24                                         break;\
           25                                 }\
           26                                 for (brk = 0, argv[0]++, _argv = argv;\
           27                                                 argv[0][0] && !brk;\
           28                                                 argv[0]++) {\
           29                                         if (_argv != argv)\
           30                                                 break;\
           31                                         _argc = argv[0][0];\
           32                                         switch (_argc)
           33 
           34 #define ARGEND                        }\
           35                                 USED(_argc);\
           36                         }\
           37                         USED(argv);\
           38                         USED(argc);
           39 
           40 #define ARGC()                _argc
           41 
           42 #define EARGF(x)        ((argv[0][1] == '\0' && argv[1] == NULL)?\
           43                                 ((x), abort(), (char *)0) :\
           44                                 (brk = 1, (argv[0][1] != '\0')?\
           45                                         (&argv[0][1]) :\
           46                                         (argc--, argv++, argv[0])))
           47 
           48 #define ARGF()                ((argv[0][1] == '\0' && argv[1] == NULL)?\
           49                                 (char *)0 :\
           50                                 (brk = 1, (argv[0][1] != '\0')?\
           51                                         (&argv[0][1]) :\
           52                                         (argc--, argv++, argv[0])))
           53 
           54 #endif
           55