35 lines
698 B
C
35 lines
698 B
C
/* vi: set sw=4 ts=4: */
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/*
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* help.c - Show help for toybox
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*
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* Not in SUSv3, but exists as a bash builtin.
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*/
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#include "toys.h"
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#include "toys/help.h"
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#undef NEWTOY
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#undef OLDTOY
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#define NEWTOY(name,opt,flags) help_##name "\0"
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#define OLDTOY(name,oldname,opts,flags) "\xff" #oldname "\0"
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static char *help_data =
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#include "toys/toylist.h"
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;
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void help_main(void)
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{
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struct toy_list *t = toy_find(*toys.optargs);
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int i = t-toy_list;
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char *s = help_data;
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if (!t) error_exit("Unknown command '%s'", *toys.optargs);
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for (;;) {
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while (i--) s += strlen(s) + 1;
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if (*s != 255) break;
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i = toy_find(++s)-toy_list;
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s = help_data;
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}
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fprintf(toys.exithelp ? stderr : stdout, "%s", s);
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}
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