diff options
Diffstat (limited to 'lib/io/src/win32/istream.c')
| -rw-r--r-- | lib/io/src/win32/istream.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/io/src/win32/istream.c b/lib/io/src/win32/istream.c index be3d829..918b868 100644 --- a/lib/io/src/win32/istream.c +++ b/lib/io/src/win32/istream.c @@ -23,6 +23,21 @@ static int file_precache(istream_t *strm) DWORD diff, actual; HANDLE hnd; + if (strm->buffer_offset >= strm->buffer_used) { + strm->buffer_offset = 0; + strm->buffer_used = 0; + } else if (strm->buffer_offset > 0) { + memmove(strm->buffer, + strm->buffer + strm->buffer_offset, + strm->buffer_used - strm->buffer_offset); + + strm->buffer_used -= strm->buffer_offset; + strm->buffer_offset = 0; + } + + if (strm->eof) + return 0; + hnd = file->path == NULL ? GetStdHandle(STD_INPUT_HANDLE) : file->hnd; while (strm->buffer_used < sizeof(file->buffer)) { |