From 6ef03dcaee546215c8e5fc15fdeac43689b63f7b Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Tue, 23 Feb 2021 15:23:30 +0100 Subject: Change license, add man pages, misc MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- arg.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 arg.h (limited to 'arg.h') diff --git a/arg.h b/arg.h new file mode 100644 index 0000000..4f7b6c0 --- /dev/null +++ b/arg.h @@ -0,0 +1,45 @@ +/* + * 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][0] == '-') {\ + 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 }\ + } else {\ + break;\ + }\ + } + +#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]))) + + +#endif -- cgit v1.2.3-70-g09d2