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author | Mattias Andrée <maandree@kth.se> | 2021-02-27 13:13:55 +0100 |
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committer | Mattias Andrée <maandree@kth.se> | 2021-02-27 13:13:55 +0100 |
commit | 5635aa0fe22734cd4330eb4aa330b60d2e1b109f (patch) | |
tree | 052e01320739979db583978f48223c594e9ca548 /arg.h | |
parent | m (diff) | |
download | gpp-5635aa0fe22734cd4330eb4aa330b60d2e1b109f.tar.gz gpp-5635aa0fe22734cd4330eb4aa330b60d2e1b109f.tar.bz2 gpp-5635aa0fe22734cd4330eb4aa330b60d2e1b109f.tar.xz |
Remove -e flag, remove long options, start rewriting in C, add support for changing shell
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'arg.h')
-rw-r--r-- | arg.h | 44 |
1 files changed, 44 insertions, 0 deletions
@@ -0,0 +1,44 @@ +/* + * 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 |