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Commit 129784ab authored by Kees Cook's avatar Kees Cook Committed by Yann E. MORIN
Browse files

kconfig: switch to "long long" for sanity 



Instead of using "long" for kconfig "hex" and "range" values, which may
change in size depending on the host architecture, use "long long". This
will allow values greater than INT_MAX on 32-bit hosts when cross
compiling.

Signed-off-by: default avatarKees Cook <keescook@chromium.org>
Acked-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
Tested-by: default avatar"Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: default avatar"Yann E. MORIN" <yann.morin.1998@free.fr>
parent c3286ee3

scripts/kconfig/symbol.c

+10 −9
Original line number Diff line number Diff line
@@ -136,7 +136,7 @@ static struct property *sym_get_range_prop(struct symbol *sym) 
	return NULL;

}



static long sym_get_range_val(struct symbol *sym, int base)

static long long sym_get_range_val(struct symbol *sym, int base)

{

	sym_calc_value(sym);

	switch (sym->type) {
@@ -149,13 +149,14 @@ static long sym_get_range_val(struct symbol *sym, int base) 
	default:

		break;

	}

	return strtol(sym->curr.val, NULL, base);

	return strtoll(sym->curr.val, NULL, base);

}



static void sym_validate_range(struct symbol *sym)

{

	struct property *prop;

	long base, val, val2;

	int base;

	long long val, val2;

	char str[64];



	switch (sym->type) {
@@ -171,7 +172,7 @@ static void sym_validate_range(struct symbol *sym) 
	prop = sym_get_range_prop(sym);

	if (!prop)

		return;

	val = strtol(sym->curr.val, NULL, base);

	val = strtoll(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);
@@ -179,9 +180,9 @@ static void sym_validate_range(struct symbol *sym) 
			return;

	}

	if (sym->type == S_INT)

		sprintf(str, "%ld", val2);

		sprintf(str, "%lld", val2);

	else

		sprintf(str, "0x%lx", val2);

		sprintf(str, "0x%llx", val2);

	sym->curr.val = strdup(str);

}
@@ -594,7 +595,7 @@ bool sym_string_valid(struct symbol *sym, const char *str) 
bool sym_string_within_range(struct symbol *sym, const char *str)

{

	struct property *prop;

	long val;

	long long val;



	switch (sym->type) {

	case S_STRING:
@@ -605,7 +606,7 @@ bool sym_string_within_range(struct symbol *sym, const char *str) 
		prop = sym_get_range_prop(sym);

		if (!prop)

			return true;

		val = strtol(str, NULL, 10);

		val = strtoll(str, 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:
@@ -614,7 +615,7 @@ bool sym_string_within_range(struct symbol *sym, const char *str) 
		prop = sym_get_range_prop(sym);

		if (!prop)

			return true;

		val = strtol(str, NULL, 16);

		val = strtoll(str, 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: