Handle PyMem_Malloc failure in pystrtod.c. Closes #1494671.
diff --git a/Python/pystrtod.c b/Python/pystrtod.c
index 8a71c28..53d6325 100644
--- a/Python/pystrtod.c
+++ b/Python/pystrtod.c
@@ -31,6 +31,7 @@
* is returned (according to the sign of the value), and %ERANGE is
* stored in %errno. If the correct value would cause underflow,
* zero is returned and %ERANGE is stored in %errno.
+ * If memory allocation fails, %ENOMEM is stored in %errno.
*
* This function resets %errno before calling strtod() so that
* you can reliably detect overflow and underflow.
@@ -102,6 +103,12 @@
/* We need to convert the '.' to the locale specific decimal point */
copy = (char *)PyMem_MALLOC(end - nptr + 1 + decimal_point_len);
+ if (copy == NULL) {
+ if (endptr)
+ *endptr = nptr;
+ errno = ENOMEM;
+ return val;
+ }
c = copy;
memcpy(c, nptr, decimal_point_pos - nptr);