diff options
Diffstat (limited to 'base/gxclread.c')
| -rw-r--r-- | base/gxclread.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/base/gxclread.c b/base/gxclread.c index acc50c874..9ea9a7a6d 100644 --- a/base/gxclread.c +++ b/base/gxclread.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001-2021 Artifex Software, Inc. +/* Copyright (C) 2001-2022 Artifex Software, Inc. All Rights Reserved. This software is provided AS-IS with no warranty, either express or @@ -365,6 +365,24 @@ top_up_offset_map(stream_state * st, const byte *buf, const byte *ptr, const byt } } +/* This function is called when data is copied from the stream out into a separate + * buffer without going through the usual clist buffers. Essentially data for the + * id we are reading at buffer_offset within the buffer is skipped. */ +void adjust_offset_map_for_skipped_data(stream_state *st, uint buffer_offset, uint skipped) +{ + uint offset0; + stream_band_read_state *const ss = (stream_band_read_state *) st; + int i; + + if (!gs_debug_c('L')) + return; + + i = buffer_segment_index(ss, buffer_offset, &offset0); + + ss->offset_map[i].buffered -= skipped; + ss->offset_map[i].file_offset += skipped; +} + void offset_map_next_data_out_of_band(stream_state *st) { |