kconfig: allow "hex" and "range" to support longs

The parsing routines for Kconfig files use strtol(), but store and
render values as int. Switch types and formating to long to support a
wider range of values. For example, 0x80000000 wasn't representable.

Signed-off-by: Kees Cook <keescook@chromium.org>
Tested-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>

diff --git a/config/symbol.c b/config/symbol.c
index 387d554838828de87d82b829ae0dfd9b464feaa2..d550300ec00c34e5b1748478c6381341e9412e0b 100644 (file)
--- a/config/symbol.c
+++ b/config/symbol.c
@@ -136,7 +136,7 @@ static struct property *sym_get_range_prop(struct symbol *sym)
        return NULL;
 }
 
-static int sym_get_range_val(struct symbol *sym, int base)
+static long sym_get_range_val(struct symbol *sym, int base)
 {
        sym_calc_value(sym);
        switch (sym->type) {
@@ -155,7 +155,7 @@ static int sym_get_range_val(struct symbol *sym, int base)
 static void sym_validate_range(struct symbol *sym)
 {
        struct property *prop;
-       int base, val, val2;
+       long base, val, val2;
        char str[64];
 
        switch (sym->type) {
@@ -179,9 +179,9 @@ static void sym_validate_range(struct symbol *sym)
                        return;
        }
        if (sym->type == S_INT)
-               sprintf(str, "%d", val2);
+               sprintf(str, "%ld", val2);
        else
-               sprintf(str, "0x%x", val2);
+               sprintf(str, "0x%lx", val2);
        sym->curr.val = strdup(str);
 }
 
@@ -594,7 +594,7 @@ bool sym_string_valid(struct symbol *sym, const char *str)
 bool sym_string_within_range(struct symbol *sym, const char *str)
 {
        struct property *prop;
-       int val;
+       long val;
 
        switch (sym->type) {
        case S_STRING: