diff options
Diffstat (limited to 'main/streams/plain_wrapper.c')
| -rw-r--r-- | main/streams/plain_wrapper.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/main/streams/plain_wrapper.c b/main/streams/plain_wrapper.c index 50ca925dea..298950cf9e 100644 --- a/main/streams/plain_wrapper.c +++ b/main/streams/plain_wrapper.c @@ -826,6 +826,11 @@ static int php_stdiop_set_option(php_stream *stream, int option, int value, void delta = (DWORD)range->offset - loffs; } + /* MapViewOfFile()ing zero bytes would map to the end of the file; match *nix behavior instead */ + if (range->length + delta == 0) { + return PHP_STREAM_OPTION_RETURN_ERR; + } + data->last_mapped_addr = MapViewOfFile(data->file_mapping, acc, 0, loffs, range->length + delta); if (data->last_mapped_addr) { |