diff mbox series

[09/19] midx: teach `nth_midxed_offset()` about incremental MIDXs

Message ID c28ebf22c0819dbf6b65b28654362642880b6bea.1717715060.git.me@ttaylorr.com (mailing list archive)
State Accepted
Commit df7ede83be829f983cd54539eb6fe0e6bddc8c9e
Headers show
Series midx: incremental multi-pack indexes, part one | expand

Commit Message

Taylor Blau June 6, 2024, 11:04 p.m. UTC 
In a similar fashion as in previous commits, teach the function
`nth_midxed_offset()` about incremental MIDXs.

The given object `pos` is used to find the containing MIDX, and
translated back into a MIDX-local position by assigning the return value
of `midx_for_object()` to it.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
---
 midx.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/midx.c b/midx.c
index 7c4f58f7f1..d351dbb7e0 100644
--- a/midx.c
+++ b/midx.c
@@ -365,6 +365,8 @@  off_t nth_midxed_offset(struct multi_pack_index *m, uint32_t pos)
 	const unsigned char *offset_data;
 	uint32_t offset32;
 
+	pos = midx_for_object(&m, pos);
+
 	offset_data = m->chunk_object_offsets + (off_t)pos * MIDX_CHUNK_OFFSET_WIDTH;
 	offset32 = get_be32(offset_data + sizeof(uint32_t));