diff options
Diffstat (limited to 'Modules/_fileio.c')
-rw-r--r-- | Modules/_fileio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/_fileio.c b/Modules/_fileio.c index 6093b40..c6b97fb 100644 --- a/Modules/_fileio.c +++ b/Modules/_fileio.c @@ -506,7 +506,7 @@ new_buffersize(PyFileIOObject *self, size_t currentsize) actually be streaming pseudo-files. In this case, we apply the more aggressive algorithm below. */ - if (end >= SMALLCHUNK && pos >= 0) { + if (end >= SMALLCHUNK && end >= pos && pos >= 0) { /* Add 1 so if the file were to grow we'd notice. */ return currentsize + end - pos + 1; } |