Fix MSVC C2036 warning by casting to char to match what PyBytes_AS_STRING did

cmaloney · cmaloney · commit b644ffbbd914 · 2025-09-14T19:20:43.000-07:00
diff --git a/Modules/_io/fileio.c b/Modules/_io/fileio.c
@@ -817,7 +817,7 @@ _io_FileIO_readall_impl(fileio *self)
         }
 
         n = _Py_read(self->fd,
-                     PyBytesWriter_GetData(writer) + bytes_read,
+                     (char*)PyBytesWriter_GetData(writer) + bytes_read,
                      bufsize - bytes_read);
 
         if (n == 0)

Original file line number	Diff line number	Diff line change
`@@ -817,7 +817,7 @@ _io_FileIO_readall_impl(fileio *self)`
`817`	`817`	`}`
`818`	`818`
`819`	`819`	`n = _Py_read(self->fd,`
`820`		`- PyBytesWriter_GetData(writer) + bytes_read,`
	`820`	`+ (char*)PyBytesWriter_GetData(writer) + bytes_read,`
`821`	`821`	`bufsize - bytes_read);`
`822`	`822`
`823`	`823`	`if (n == 0)`