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authorJunio C Hamano <gitster@pobox.com>2008-06-13 23:00:51 -0700
committerJunio C Hamano <gitster@pobox.com>2008-06-13 23:00:51 -0700
commit6483925999cde47e5108414ac3f57760394ee2d2 (patch)
treeb44b7d8905c1f1239243d9a02f27cc04ff113164 /sha1_file.c
parent43d60d2e59cb466717290984becc8687fc632ca1 (diff)
downloadgit-6483925999cde47e5108414ac3f57760394ee2d2.tar.gz
sha1_file.c: dead code removal
write_sha1_from_fd() and write_sha1_to_fd() were dead code nobody called, neither the latter's helper repack_object() was. Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'sha1_file.c')
-rw-r--r--sha1_file.c142
1 files changed, 0 insertions, 142 deletions
diff --git a/sha1_file.c b/sha1_file.c
index f311c79e50..e27c96ee31 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -2229,148 +2229,6 @@ int force_object_loose(const unsigned char *sha1, time_t mtime)
return write_loose_object(sha1, hdr, hdrlen, buf, len, mtime);
}
-/*
- * We need to unpack and recompress the object for writing
- * it out to a different file.
- */
-static void *repack_object(const unsigned char *sha1, unsigned long *objsize)
-{
- size_t size;
- z_stream stream;
- unsigned char *unpacked;
- unsigned long len;
- enum object_type type;
- char hdr[32];
- int hdrlen;
- void *buf;
-
- /* need to unpack and recompress it by itself */
- unpacked = read_packed_sha1(sha1, &type, &len);
- if (!unpacked)
- error("cannot read sha1_file for %s", sha1_to_hex(sha1));
-
- hdrlen = sprintf(hdr, "%s %lu", typename(type), len) + 1;
-
- /* Set it up */
- memset(&stream, 0, sizeof(stream));
- deflateInit(&stream, zlib_compression_level);
- size = deflateBound(&stream, len + hdrlen);
- buf = xmalloc(size);
-
- /* Compress it */
- stream.next_out = buf;
- stream.avail_out = size;
-
- /* First header.. */
- stream.next_in = (void *)hdr;
- stream.avail_in = hdrlen;
- while (deflate(&stream, 0) == Z_OK)
- /* nothing */;
-
- /* Then the data itself.. */
- stream.next_in = unpacked;
- stream.avail_in = len;
- while (deflate(&stream, Z_FINISH) == Z_OK)
- /* nothing */;
- deflateEnd(&stream);
- free(unpacked);
-
- *objsize = stream.total_out;
- return buf;
-}
-
-int write_sha1_to_fd(int fd, const unsigned char *sha1)
-{
- int retval;
- unsigned long objsize;
- void *buf = map_sha1_file(sha1, &objsize);
-
- if (buf) {
- retval = write_buffer(fd, buf, objsize);
- munmap(buf, objsize);
- return retval;
- }
-
- buf = repack_object(sha1, &objsize);
- retval = write_buffer(fd, buf, objsize);
- free(buf);
- return retval;
-}
-
-int write_sha1_from_fd(const unsigned char *sha1, int fd, char *buffer,
- size_t bufsize, size_t *bufposn)
-{
- char tmpfile[PATH_MAX];
- int local;
- z_stream stream;
- unsigned char real_sha1[20];
- unsigned char discard[4096];
- int ret;
- SHA_CTX c;
-
- snprintf(tmpfile, sizeof(tmpfile), "%s/tmp_obj_XXXXXX", get_object_directory());
-
- local = mkstemp(tmpfile);
- if (local < 0) {
- if (errno == EPERM)
- return error("insufficient permission for adding an object to repository database %s\n", get_object_directory());
- else
- return error("unable to create temporary sha1 filename %s: %s\n", tmpfile, strerror(errno));
- }
-
- memset(&stream, 0, sizeof(stream));
-
- inflateInit(&stream);
-
- SHA1_Init(&c);
-
- do {
- ssize_t size;
- if (*bufposn) {
- stream.avail_in = *bufposn;
- stream.next_in = (unsigned char *) buffer;
- do {
- stream.next_out = discard;
- stream.avail_out = sizeof(discard);
- ret = inflate(&stream, Z_SYNC_FLUSH);
- SHA1_Update(&c, discard, sizeof(discard) -
- stream.avail_out);
- } while (stream.avail_in && ret == Z_OK);
- if (write_buffer(local, buffer, *bufposn - stream.avail_in) < 0)
- die("unable to write sha1 file");
- memmove(buffer, buffer + *bufposn - stream.avail_in,
- stream.avail_in);
- *bufposn = stream.avail_in;
- if (ret != Z_OK)
- break;
- }
- size = xread(fd, buffer + *bufposn, bufsize - *bufposn);
- if (size <= 0) {
- close(local);
- unlink(tmpfile);
- if (!size)
- return error("Connection closed?");
- perror("Reading from connection");
- return -1;
- }
- *bufposn += size;
- } while (1);
- inflateEnd(&stream);
-
- close_sha1_file(local);
- SHA1_Final(real_sha1, &c);
- if (ret != Z_STREAM_END) {
- unlink(tmpfile);
- return error("File %s corrupted", sha1_to_hex(sha1));
- }
- if (hashcmp(sha1, real_sha1)) {
- unlink(tmpfile);
- return error("File %s has bad hash", sha1_to_hex(sha1));
- }
-
- return move_temp_to_file(tmpfile, sha1_file_name(sha1));
-}
-
int has_pack_index(const unsigned char *sha1)
{
struct stat st;