aaru-dps/libaaruformat
1
0
Fork 0
mirror of https://github.com/aaru-dps/libaaruformat.git synced 2025-12-16 19:24:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

Implement tracks block writing in close.c with alignment and index management

Browse Source
This commit is contained in:
Natalia Portillo
2025-10-03 13:44:59 +01:00
parent 7d7a546ede
commit ad200c1537
1 changed files with 38 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
src/close.c
View File

@@ -629,6 +629,44 @@ int aaruf_close(void *context)
TRACE("Added checksum block index entry at offset %" PRIu64, checksum_position);
}
// Write tracks block
if(ctx->tracksHeader.entries > 0 && ctx->trackEntries != NULL)
{
fseek(ctx->imageStream, 0, SEEK_END);
long tracks_position = ftell(ctx->imageStream);
// Align index position to block boundary if needed
alignment_mask = (1ULL << ctx->userDataDdtHeader.blockAlignmentShift) - 1;
if(tracks_position & alignment_mask)
{
aligned_position = tracks_position + alignment_mask & ~alignment_mask;
fseek(ctx->imageStream, aligned_position, SEEK_SET);
tracks_position = aligned_position;
}
TRACE("Writing tracks block at position %ld", tracks_position);
// Write header
if(fwrite(&ctx->tracksHeader, sizeof(TracksHeader), 1, ctx->imageStream) == 1)
{
// Write entries
size_t written_entries =
fwrite(ctx->trackEntries, sizeof(TrackEntry), ctx->tracksHeader.entries, ctx->imageStream);
if(written_entries == ctx->tracksHeader.entries)
{
TRACE("Successfully wrote tracks block with %u entries", ctx->tracksHeader.entries);
// Add tracks block to index
TRACE("Adding tracks block to index");
IndexEntry tracks_index_entry;
tracks_index_entry.blockType = TracksBlock;
tracks_index_entry.dataType = 0;
tracks_index_entry.offset = tracks_position;
utarray_push_back(ctx->indexEntries, &tracks_index_entry);
TRACE("Added tracks block index entry at offset %" PRIu64, tracks_position);
}
}
}
// Write the complete index at the end of the file
TRACE("Writing index at the end of the file");
fseek(ctx->imageStream, 0, SEEK_END);