diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib/tng_io.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/lib/tng_io.c b/src/lib/tng_io.c index 6659e51..509844c 100644 --- a/src/lib/tng_io.c +++ b/src/lib/tng_io.c @@ -11152,6 +11152,31 @@ tng_function_status DECLSPECDLLEXPORT tng_frame_set_of_frame_find frame_set = &tng_data->current_trajectory_frame_set; + if(tng_data->current_trajectory_frame_set_input_file_pos < 0) + { + file_pos = tng_data->first_trajectory_frame_set_input_file_pos; + fseek(tng_data->input_file, + (long)file_pos, + SEEK_SET); + tng_data->current_trajectory_frame_set_input_file_pos = (long)file_pos; + /* Read block headers first to see what block is found. */ + stat = tng_block_header_read(tng_data, block); + if(stat == TNG_CRITICAL || block->id != TNG_TRAJECTORY_FRAME_SET) + { + printf("TNG library: Cannot read block header at pos %"PRId64". %s: %d\n", + file_pos, __FILE__, __LINE__); + tng_block_destroy(&block); + return(TNG_CRITICAL); + } + + if(tng_block_read_next(tng_data, block, + TNG_SKIP_HASH) != TNG_SUCCESS) + { + tng_block_destroy(&block); + return(TNG_CRITICAL); + } + } + first_frame = tng_max_i64(frame_set->first_frame, 0); last_frame = first_frame + frame_set->n_frames - 1; n_frames_per_frame_set = tng_data->frame_set_n_frames; |