py/parsenum: Use size_t to count bytes, and int for type of base arg.

size_t is the proper type to count number of bytes in a string.  The base
argument does not need to be a full mp_uint_t, int is enough.

1 files changed, 1 insertions, 1 deletions

diff --git a/py/parsenumbase.c b/py/parsenumbase.c
index 31e4a9164..8d057af18 100644
--- a/py/parsenumbase.c
+++ b/py/parsenumbase.c
@@ -28,7 +28,7 @@
 
 // find real radix base, and strip preceding '0x', '0o' and '0b'
 // puts base in *base, and returns number of bytes to skip the prefix
-mp_uint_t mp_parse_num_base(const char *str, mp_uint_t len, mp_uint_t *base) {
+size_t mp_parse_num_base(const char *str, size_t len, int *base) {
     const byte *p = (const byte*)str;
     if (len <= 1) {
         goto no_prefix;