1 // Function to display help text 2 3 #include "toys.h" 4 5 #if !CFG_TOYBOX_HELP 6 void show_help(void) {;} 7 #else 8 #include "generated/help.h" 9 10 #undef NEWTOY 11 #undef OLDTOY 12 #define NEWTOY(name,opt,flags) help_##name "\0" 13 #define OLDTOY(name,oldname,flags) "\xff" #oldname "\0" 14 static char *help_data = 15 #include "generated/newtoys.h" 16 ; 17 18 void show_help(void) 19 { 20 int i = toys.which-toy_list; 21 char *s; 22 23 for (;;) { 24 s = help_data; 25 while (i--) s += strlen(s) + 1; 26 // If it's an alias, restart search for real name 27 if (*s != 255) break; 28 if (!CFG_TOYBOX) { 29 s = xmprintf("See %s --help\n", ++s); 30 31 break; 32 } 33 i = toy_find(++s)-toy_list; 34 } 35 36 fprintf(toys.exithelp ? stderr : stdout, "%s", s); 37 } 38 #endif 39
