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| author | Victor Stinner <victor.stinner@haypocalc.com> | 2011-07-05 09:31:49 (GMT) |
|---|---|---|
| committer | Victor Stinner <victor.stinner@haypocalc.com> | 2011-07-05 09:31:49 (GMT) |
| commit | c655a726dba5799e3c221b6c95fee72516d3d7cf (patch) | |
| tree | 42520ad3158db726a4ffc53c59a34e9bbfa7affe /Modules/_io/fileio.c | |
| parent | bb4a747b695a3c1cce5257f40bc764fb9b44476a (diff) | |
| download | cpython-c655a726dba5799e3c221b6c95fee72516d3d7cf.zip cpython-c655a726dba5799e3c221b6c95fee72516d3d7cf.tar.gz cpython-c655a726dba5799e3c221b6c95fee72516d3d7cf.tar.bz2 | |
Issue #9611, #9015: FileIO.read() clamps the length to INT_MAX on Windows.
Diffstat (limited to 'Modules/_io/fileio.c')
| -rw-r--r-- | Modules/_io/fileio.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Modules/_io/fileio.c b/Modules/_io/fileio.c index 141b6de..b1d492b 100644 --- a/Modules/_io/fileio.c +++ b/Modules/_io/fileio.c @@ -664,6 +664,10 @@ fileio_read(fileio *self, PyObject *args) return fileio_readall(self); } +#if defined(MS_WIN64) || defined(MS_WINDOWS) + if (size > INT_MAX) + size = INT_MAX; +#endif bytes = PyBytes_FromStringAndSize(NULL, size); if (bytes == NULL) return NULL; @@ -672,7 +676,11 @@ fileio_read(fileio *self, PyObject *args) if (_PyVerify_fd(self->fd)) { Py_BEGIN_ALLOW_THREADS errno = 0; +#if defined(MS_WIN64) || defined(MS_WINDOWS) + n = read(self->fd, ptr, (int)size); +#else n = read(self->fd, ptr, size); +#endif Py_END_ALLOW_THREADS } else n = -1; |