/* help.c - Show help for toybox commands * * Copyright 2007 Rob Landley * * Often a shell builtin. USE_HELP(NEWTOY(help, ""USE_HELP_EXTRAS("ah"), TOYFLAG_BIN)) config HELP bool "help" default y depends on TOYBOX_HELP help usage: help [command] Show usage information for toybox commands. Run "toybox" with no arguments for a list of available commands. config HELP_EXTRAS bool "help -ah" default y depends on TOYBOX depends on HELP help usage: help [-ah] -a All commands -h HTML output */ #define FOR_help #include "toys.h" static void do_help(struct toy_list *t) { if (toys.optflags & FLAG_h) xprintf("

%s

\n", t->name, t->name);

  toys.which = t;
  show_help(stdout);

  if (toys.optflags & FLAG_h) xprintf("

\n"); } // The simple help is just toys.which = toy_find("name"); show_help(stdout); // But iterating through html output and all commands is a big more void help_main(void) { int i; if (!(toys.optflags & FLAG_a)) { struct toy_list *t = toys.which; if (*toys.optargs && !(t = toy_find(*toys.optargs))) error_exit("Unknown command '%s'", *toys.optargs); do_help(t); return; } if (toys.optflags & FLAG_h) { xprintf("\nToybox command list\n\n

\n"); for (i=0; i < toys.toycount; i++) xprintf("%s\n\n", toy_list[i].name, toy_list[i].name); xprintf("

\n"); } for (i = 0; i < toys.toycount; i++) { if (toys.optflags & FLAG_h) xprintf("

\n");
    else {
      memset(toybuf, '-', 78);
      memcpy(toybuf+3, toy_list[i].name, strlen(toy_list[i].name));
      printf("\n%s\n\n", toybuf);
    }
    do_help(toy_list+i);
    if (toys.optflags & FLAG_h) xprintf("

\n"); } if (toys.optflags & FLAG_h) xprintf(""); }