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author | Christoph Lohmann <20h@r-36.net> | 2013-04-03 21:00:38 +0200 |
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committer | Christoph Lohmann <20h@r-36.net> | 2013-04-03 21:00:38 +0200 |
commit | b1813b14d956978ae8af37166b3cccc3a7b4b720 (patch) | |
tree | ad5656d373cbb9bbd4b9063b49641f47b6cfcc26 /arg.h | |
parent | 580c8bbd4691218849c9a809acaa4c95f65cb846 (diff) | |
download | st-b1813b14d956978ae8af37166b3cccc3a7b4b720.tar.gz st-b1813b14d956978ae8af37166b3cccc3a7b4b720.tar.bz2 st-b1813b14d956978ae8af37166b3cccc3a7b4b720.zip |
Adopting arg.h with more flexible cmd handling.
Diffstat (limited to 'arg.h')
-rw-r--r-- | arg.h | 55 |
1 files changed, 55 insertions, 0 deletions
@@ -0,0 +1,55 @@ +/* + * Copy me if you can. + * by 20h + */ + +#ifndef __ARG_H__ +#define __ARG_H__ + +extern char *argv0; + +#define USED(x) ((void)(x)) + +/* 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) + +#define ARGEND }\ + USED(_argc);\ + }\ + USED(argv);\ + USED(argc); + +#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 + |