Move guts of help command into show_help() in lib/help.c, with config TOYBOX_HELP controlling infrastructure.

2 files changed, 4 insertions, 20 deletions

diff --git a/toys/other/help.c b/toys/other/help.c
index 68bc3aab..e16abaab 100644
--- a/toys/other/help.c
+++ b/toys/other/help.c
@@ -9,6 +9,7 @@ USE_HELP(NEWTOY(help, "<1", TOYFLAG_BIN))
 config HELP
   bool "help"
   default y
+  depends on TOYBOX_HELP
   help
     usage: help [command]
 
@@ -18,29 +19,12 @@ config HELP
 
 
 #include "toys.h"
-#include "generated/help.h"
-
-#undef NEWTOY
-#undef OLDTOY
-#define NEWTOY(name,opt,flags) help_##name "\0"
-#define OLDTOY(name,oldname,opts,flags) "\xff" #oldname "\0"
-static char *help_data =
-#include "generated/newtoys.h"
-;
 
 void help_main(void)
 {
   struct toy_list *t = toy_find(*toys.optargs);
-  int i = t-toy_list;
-  char *s = help_data;
 
   if (!t) error_exit("Unknown command '%s'", *toys.optargs);
-  for (;;) {
-    while (i--) s += strlen(s) + 1;
-    if (*s != 255) break;
-    i = toy_find(++s)-toy_list;
-    s = help_data;
-  }
-
-  fprintf(toys.exithelp ? stderr : stdout, "%s", s);
+  toys.which = t;
+  show_help();
 }
diff --git a/toys/other/losetup.c b/toys/other/losetup.c
index c21e840b..618016e1 100644
--- a/toys/other/losetup.c
+++ b/toys/other/losetup.c
@@ -180,7 +180,7 @@ void losetup_main(void)
     char *file = (toys.optflags & (FLAG_d|FLAG_c)) ? NULL : toys.optargs[1];
 
     if (!toys.optc || (file && toys.optc>1)) {
-      if (CFG_HELP) toys.exithelp++;
+      toys.exithelp++;
       perror_exit("needs 1 arg");
     }
     for (s = toys.optargs; *s; s++) loopback_setup(*s, file);