add 'reset to defaults' to menuconfig

[openwrt-10.03/.git] / scripts / config / confdata.c

diff --git a/scripts/config/confdata.c b/scripts/config/confdata.c
index a1abdeb08733829162584f4d866e7342c0a5742f..641aa489153ca4451619fb987cc4d500faf616da 100644 (file)
--- a/scripts/config/confdata.c
+++ b/scripts/config/confdata.c
@@ -83,6 +83,29 @@ char *conf_get_default_confname(void)
        return name;
 }
 
+void conf_reset(void)
+{
+       struct symbol *sym;
+       int i;
+       
+       for_all_symbols(i, sym) {
+               sym->flags |= SYMBOL_NEW | SYMBOL_CHANGED;
+               if (sym_is_choice(sym))
+                       sym->flags &= ~SYMBOL_NEW;
+               sym->flags &= ~SYMBOL_VALID;
+               switch (sym->type) {
+               case S_INT:
+               case S_HEX:
+               case S_STRING:
+                       if (sym->user.val)
+                               free(sym->user.val);
+               default:
+                       sym->user.val = NULL;
+                       sym->user.tri = no;
+               }
+       }
+}
+
 int conf_read_simple(const char *name)
 {
        FILE *in = NULL;