Make a few more tests pass with the new I/O library.
Fix the truncate() semantics -- it should not affect the current position.
Switch wave.py/chunk.py to struct.unpack_from() to support bytes.
Don't use writelines() on binary files (test_fileinput.py).
diff --git a/Modules/_fileio.c b/Modules/_fileio.c
index 97b2199..d524aa7 100644
--- a/Modules/_fileio.c
+++ b/Modules/_fileio.c
@@ -519,7 +519,7 @@
{
PyObject *posobj = NULL;
Py_off_t pos;
- int fd, whence;
+ int fd;
fd = self->fd;
if (fd < 0)
@@ -530,17 +530,14 @@
if (!PyArg_ParseTuple(args, "|O", &posobj))
return NULL;
- if (posobj == Py_None)
- posobj = NULL;
-
- if (posobj == NULL)
- whence = 1;
- else
- whence = 0;
-
- posobj = portable_lseek(fd, posobj, whence);
- if (posobj == NULL)
- return NULL;
+ if (posobj == Py_None || posobj == NULL) {
+ posobj = portable_lseek(fd, NULL, 1);
+ if (posobj == NULL)
+ return NULL;
+ }
+ else {
+ Py_INCREF(posobj);
+ }
#if !defined(HAVE_LARGEFILE_SUPPORT)
pos = PyInt_AsLong(posobj);