diff options
author | Bradley Taunt <bt@btxx.org> | 2024-01-18 12:49:32 -0500 |
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committer | Bradley Taunt <bt@btxx.org> | 2024-01-18 12:49:32 -0500 |
commit | b76b1975e2b4d8c7f9910e8fbc9e50386b64bd9c (patch) | |
tree | 3abc2a0e9430bee7db072672dd376271933973d5 /arg.h |
Diffstat (limited to 'arg.h')
-rwxr-xr-x | arg.h | 49 |
1 files changed, 49 insertions, 0 deletions
@@ -0,0 +1,49 @@ +/* + * 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][0] == '-'\ + && argv[0][1];\ + 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_) + +#define ARGEND }\ + } + +#define ARGC() argc_ + +#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 |