Silence VS 2010 signed/unsigned warnings.
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 4a1cce2..2e1e0bd 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -13591,7 +13591,10 @@
c = PyUnicode_READ(fmtkind, fmt, fmtpos++);
if (c < '0' || c > '9')
break;
- if (width > (PY_SSIZE_T_MAX - (c - '0')) / 10) {
+ /* Since c is unsigned, the RHS would end up as unsigned,
+ mixing signed and unsigned comparison. Since c is between
+ '0' and '9', casting to int is safe. */
+ if (width > (PY_SSIZE_T_MAX - ((int)c - '0')) / 10) {
PyErr_SetString(PyExc_ValueError,
"width too big");
goto onError;
@@ -13626,7 +13629,7 @@
c = PyUnicode_READ(fmtkind, fmt, fmtpos++);
if (c < '0' || c > '9')
break;
- if (prec > (INT_MAX - (c - '0')) / 10) {
+ if (prec > (INT_MAX - ((int)c - '0')) / 10) {
PyErr_SetString(PyExc_ValueError,
"prec too big");
goto onError;