From 6a1be2701196d69f20806067cee93a2d81d7229f Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sun, 25 Jun 2006 20:06:59 +0000
Subject: add 'reset to defaults' to menuconfig

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4080 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 scripts/config/confdata.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'scripts/config/confdata.c')

diff --git a/scripts/config/confdata.c b/scripts/config/confdata.c
index a1abdeb08..641aa4891 100644
--- 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;
-- 
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