[PATCH] kconfig: allow variable argumnts for range
This allows variable arguments in the range option for int and hex config
symbols.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 5cfa6c4..c2a423a 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -151,6 +151,12 @@
menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep);
}
+static int menu_range_valid_sym(struct symbol *sym, struct symbol *sym2)
+{
+ return sym2->type == S_INT || sym2->type == S_HEX ||
+ (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
+}
+
void sym_check_prop(struct symbol *sym)
{
struct property *prop;
@@ -185,8 +191,8 @@
if (sym->type != S_INT && sym->type != S_HEX)
prop_warn(prop, "range is only allowed "
"for int or hex symbols");
- if (!sym_string_valid(sym, prop->expr->left.sym->name) ||
- !sym_string_valid(sym, prop->expr->right.sym->name))
+ if (!menu_range_valid_sym(sym, prop->expr->left.sym) ||
+ !menu_range_valid_sym(sym, prop->expr->right.sym))
prop_warn(prop, "range is invalid");
break;
default:
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index 29bff43..69c2549 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -141,6 +141,55 @@
return NULL;
}
+static int sym_get_range_val(struct symbol *sym, int base)
+{
+ sym_calc_value(sym);
+ switch (sym->type) {
+ case S_INT:
+ base = 10;
+ break;
+ case S_HEX:
+ base = 16;
+ break;
+ default:
+ break;
+ }
+ return strtol(sym->curr.val, NULL, base);
+}
+
+static void sym_validate_range(struct symbol *sym)
+{
+ struct property *prop;
+ int base, val, val2;
+ char str[64];
+
+ switch (sym->type) {
+ case S_INT:
+ base = 10;
+ break;
+ case S_HEX:
+ base = 16;
+ break;
+ default:
+ return;
+ }
+ prop = sym_get_range_prop(sym);
+ if (!prop)
+ return;
+ val = strtol(sym->curr.val, NULL, base);
+ val2 = sym_get_range_val(prop->expr->left.sym, base);
+ if (val >= val2) {
+ val2 = sym_get_range_val(prop->expr->right.sym, base);
+ if (val <= val2)
+ return;
+ }
+ if (sym->type == S_INT)
+ sprintf(str, "%d", val2);
+ else
+ sprintf(str, "0x%x", val2);
+ sym->curr.val = strdup(str);
+}
+
static void sym_calc_visibility(struct symbol *sym)
{
struct property *prop;
@@ -301,6 +350,7 @@
sym->curr = newval;
if (sym_is_choice(sym) && newval.tri == yes)
sym->curr.val = sym_calc_choice(sym);
+ sym_validate_range(sym);
if (memcmp(&oldval, &sym->curr, sizeof(oldval)))
sym_set_changed(sym);
@@ -489,8 +539,8 @@
if (!prop)
return true;
val = strtol(str, NULL, 10);
- return val >= strtol(prop->expr->left.sym->name, NULL, 10) &&
- val <= strtol(prop->expr->right.sym->name, NULL, 10);
+ return val >= sym_get_range_val(prop->expr->left.sym, 10) &&
+ val <= sym_get_range_val(prop->expr->right.sym, 10);
case S_HEX:
if (!sym_string_valid(sym, str))
return false;
@@ -498,8 +548,8 @@
if (!prop)
return true;
val = strtol(str, NULL, 16);
- return val >= strtol(prop->expr->left.sym->name, NULL, 16) &&
- val <= strtol(prop->expr->right.sym->name, NULL, 16);
+ return val >= sym_get_range_val(prop->expr->left.sym, 16) &&
+ val <= sym_get_range_val(prop->expr->right.sym, 16);
case S_BOOLEAN:
case S_TRISTATE:
switch (str[0]) {