On Thu, Jun 7, 2018 at 6:55 PM Derrick Stolee <stolee@xxxxxxxxx> wrote:
>
> Signed-off-by: Derrick Stolee <dstolee@xxxxxxxxxxxxx>
> ---
> midx.c | 96 ++++++++++++++++++++++++++++++++++++++++++++++++--
> midx.h | 2 ++
> object-store.h | 1 +
> packfile.c | 8 ++++-
> 4 files changed, 104 insertions(+), 3 deletions(-)
>
> diff --git a/midx.c b/midx.c
> index 5e9290ca8f..6eca8f1b12 100644
> --- a/midx.c
> +++ b/midx.c
> @@ -3,6 +3,7 @@
> #include "dir.h"
> #include "csum-file.h"
> #include "lockfile.h"
> +#include "sha1-lookup.h"
> #include "object-store.h"
> #include "packfile.h"
> #include "midx.h"
> @@ -64,7 +65,7 @@ struct midxed_git *load_midxed_git(const char *object_dir)
>
> m = xcalloc(1, sizeof(*m) + strlen(object_dir) + 1);
> strcpy(m->object_dir, object_dir);
> - m->data = midx_map;
> + m->data = (const unsigned char*)midx_map;
Hmm? Why is this typecast only needed now? Or is it not really needed at all?
>
> m->signature = get_be32(m->data);
> if (m->signature != MIDX_SIGNATURE) {
> @@ -145,7 +146,9 @@ struct midxed_git *load_midxed_git(const char *object_dir)
>
> m->num_objects = ntohl(m->chunk_oid_fanout[255]);
>
> - m->pack_names = xcalloc(m->num_packs, sizeof(const char *));
> + m->packs = xcalloc(m->num_packs, sizeof(*m->packs));
> +
> + ALLOC_ARRAY(m->pack_names, m->num_packs);
Please make this ALLOC_ARRAY change in the patch that adds
xcalloc(m->num_packs).
> for (i = 0; i < m->num_packs; i++) {
> if (i) {
> if (ntohl(m->chunk_pack_lookup[i]) <= ntohl(m->chunk_pack_lookup[i - 1])) {
> @@ -175,6 +178,95 @@ struct midxed_git *load_midxed_git(const char *object_dir)
> exit(1);
> }
>
> +static int prepare_midx_pack(struct midxed_git *m, uint32_t pack_int_id)
> +{
> + struct strbuf pack_name = STRBUF_INIT;
> +
> + if (pack_int_id >= m->num_packs)
> + BUG("bad pack-int-id");
> +
> + if (m->packs[pack_int_id])
> + return 0;
> +
> + strbuf_addstr(&pack_name, m->object_dir);
> + strbuf_addstr(&pack_name, "/pack/");
> + strbuf_addstr(&pack_name, m->pack_names[pack_int_id]);
Just use strbuf_addf()
> +
> + m->packs[pack_int_id] = add_packed_git(pack_name.buf, pack_name.len, 1);
> + strbuf_release(&pack_name);
> + return !m->packs[pack_int_id];
This is a weird return value convention. Normally we go zero/negative
or non-zero/zero for success/failure.
> +}
--
Duy
