Issue #1521: on 64bit platforms, str.decode fails on very long strings.
The t# and w# formats were not correctly handled.
Will backport.
diff --git a/Python/getargs.c b/Python/getargs.c
index a848116..2cae516 100644
--- a/Python/getargs.c
+++ b/Python/getargs.c
@@ -894,7 +894,8 @@
char **buffer;
const char *encoding;
PyObject *s;
- int size, recode_strings;
+ Py_ssize_t size;
+ int recode_strings;
/* Get 'e' parameter: the encoding name */
encoding = (const char *)va_arg(*p_va, const char *);
@@ -1144,7 +1145,7 @@
case 'w': { /* memory buffer, read-write access */
void **p = va_arg(*p_va, void **);
PyBufferProcs *pb = arg->ob_type->tp_as_buffer;
- int count;
+ Py_ssize_t count;
if (pb == NULL ||
pb->bf_getwritebuffer == NULL ||
@@ -1166,7 +1167,7 @@
case 't': { /* 8-bit character buffer, read-only access */
char **p = va_arg(*p_va, char **);
PyBufferProcs *pb = arg->ob_type->tp_as_buffer;
- int count;
+ Py_ssize_t count;
if (*format++ != '#')
return converterr(