Here's the code to dump a table into a pack. Table entries are written
according to the current sort order. This is important as objects use
this order to index into the table.
Signed-off-by: Nicolas Pitre <nico@xxxxxxxxxxx>
---
packv4-create.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 49 insertions(+)
diff --git a/packv4-create.c b/packv4-create.c
index f46fbd9..2956fda 100644
--- a/packv4-create.c
+++ b/packv4-create.c
@@ -556,6 +556,55 @@ static int create_pack_dictionaries(struct packed_git *p,
return 0;
}
+static unsigned long write_dict_table(struct sha1file *f, struct dict_table *t)
+{
+ unsigned char buffer[1024], *end;
+ unsigned hdrlen;
+ unsigned long size, datalen;
+ z_stream stream;
+ int i, status;
+
+ /*
+ * Stored dict table format: uncompressed data length followed by
+ * compressed content.
+ */
+
+ datalen = t->ptr;
+ end = add_number(buffer, datalen);
+ hdrlen = end - buffer;
+ sha1write(f, buffer, hdrlen);
+
+ memset(&stream, 0, sizeof(stream));
+ deflateInit(&stream, pack_compression_level);
+
+ for (i = 0; i < t->nb_entries; i++) {
+ stream.next_in = t->data + t->entry[i].offset;
+ stream.avail_in = 2 + strlen((char *)t->data + t->entry[i].offset + 2) + 1;
+ do {
+ stream.next_out = (unsigned char *)buffer;
+ stream.avail_out = sizeof(buffer);
+ status = deflate(&stream, 0);
+ size = stream.next_out - (unsigned char *)buffer;
+ sha1write(f, buffer, size);
+ } while (status == Z_OK);
+ }
+ do {
+ stream.next_out = (unsigned char *)buffer;
+ stream.avail_out = sizeof(buffer);
+ status = deflate(&stream, Z_FINISH);
+ size = stream.next_out - (unsigned char *)buffer;
+ sha1write(f, buffer, size);
+ } while (status == Z_OK);
+ if (status != Z_STREAM_END)
+ die("unable to deflate dictionary table (%d)", status);
+ if (stream.total_in != datalen)
+ die("dict data size mismatch (%ld vs %ld)",
+ stream.total_in, datalen);
+ deflateEnd(&stream);
+
+ return hdrlen + datalen;
+}
+
static struct packed_git *open_pack(const char *path)
{
char arg[PATH_MAX];
--
1.8.4.22.g54757b7
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