py/parsenum: Fix compiler warnings for no decl and signed comparison.

2016-03-14 22:52:52 +00:00
parent 0be6359f39
commit 06b398489e
2 changed files with 4 additions and 2 deletions
--- a/py/parsenum.c
+++ b/py/parsenum.c
@@ -81,7 +81,7 @@ mp_obj_t mp_parse_num_integer(const char *restrict str_, size_t len, int base, m
    for (; str < top; str++) {
        // get next digit as a value
        mp_uint_t dig = *str;
-        if (unichar_isdigit(dig) && dig - '0' < base) {
+        if (unichar_isdigit(dig) && (int)dig - '0' < base) {
            // 0-9 digit
            dig = dig - '0';
        } else if (base == 16) {