Relax _PyBytesWriter API
Don't require _PyBytesWriter pointer to be a "char *". Same change for
_PyBytesWriter_WriteBytes() parameter.
For example, binascii uses "unsigned char*".
diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index a75c54d..4b31271 100644
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -3923,8 +3923,8 @@
#endif
}
-char*
-_PyBytesWriter_Prepare(_PyBytesWriter *writer, char *str, Py_ssize_t size)
+void*
+_PyBytesWriter_Prepare(_PyBytesWriter *writer, void *str, Py_ssize_t size)
{
Py_ssize_t allocated, pos;
@@ -3992,7 +3992,7 @@
/* Allocate the buffer to write size bytes.
Return the pointer to the beginning of buffer data.
Raise an exception and return NULL on error. */
-char*
+void*
_PyBytesWriter_Alloc(_PyBytesWriter *writer, Py_ssize_t size)
{
/* ensure that _PyBytesWriter_Alloc() is only called once */
@@ -4011,7 +4011,7 @@
}
PyObject *
-_PyBytesWriter_Finish(_PyBytesWriter *writer, char *str)
+_PyBytesWriter_Finish(_PyBytesWriter *writer, void *str)
{
Py_ssize_t pos;
PyObject *result;
@@ -4033,13 +4033,12 @@
else {
result = PyBytes_FromStringAndSize(writer->small_buffer, pos);
}
-
return result;
}
-char*
-_PyBytesWriter_WriteBytes(_PyBytesWriter *writer, char *str,
- char *bytes, Py_ssize_t size)
+void*
+_PyBytesWriter_WriteBytes(_PyBytesWriter *writer, void *str,
+ const void *bytes, Py_ssize_t size)
{
str = _PyBytesWriter_Prepare(writer, str, size);
if (str == NULL)