sdhcp

simple dhcp client
git clone git://git.2f30.org/sdhcp.git
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commit b97fe80b0c80d16802031d321f8aeb4f642ba37a
parent ba2f7b64cceb89657c54733fbfdfb0b127427da1
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Fri Apr 25 22:02:57 +0200

whoops add arg.h

Signed-off-by: Hiltjo Posthuma <hiltjo@codemadness.org>

Diffstat:
arg.h | 63+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 63 insertions(+), 0 deletions(-)
diff --git a/arg.h b/arg.h @@ -0,0 +1,63 @@ +/* + * 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][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_) + +/* Handles obsolete -NUM syntax */ +#define ARGNUM case '0':\ + case '1':\ + case '2':\ + case '3':\ + case '4':\ + case '5':\ + case '6':\ + case '7':\ + case '8':\ + case '9' + +#define ARGEND }\ + } + +#define ARGC() argc_ + +#define ARGNUMF(base) (brk_ = 1, estrtol(argv[0], (base))) + +#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