{
struct pack_idx_entry *a = *(struct pack_idx_entry **)_a;
struct pack_idx_entry *b = *(struct pack_idx_entry **)_b;
- return hashcmp(a->sha1, b->sha1);
+ return oidcmp(&a->oid, &b->oid);
}
static int cmp_uint32(const void *a_, const void *b_)
*/
const char *write_idx_file(const char *index_name, struct pack_idx_entry **objects,
int nr_objects, const struct pack_idx_option *opts,
- unsigned char *sha1)
+ const unsigned char *sha1)
{
struct sha1file *f;
struct pack_idx_entry **sorted_by_sha, **list, **last;
off_t last_obj_offset = 0;
uint32_t array[256];
int i, fd;
- git_SHA_CTX ctx;
uint32_t index_version;
if (nr_objects) {
if (objects[i]->offset > last_obj_offset)
last_obj_offset = objects[i]->offset;
}
- qsort(sorted_by_sha, nr_objects, sizeof(sorted_by_sha[0]),
- sha1_compare);
+ QSORT(sorted_by_sha, nr_objects, sha1_compare);
}
else
sorted_by_sha = list = last = NULL;
f = sha1fd_check(index_name);
} else {
if (!index_name) {
- static char tmp_file[PATH_MAX];
- fd = odb_mkstemp(tmp_file, sizeof(tmp_file), "pack/tmp_idx_XXXXXX");
- index_name = xstrdup(tmp_file);
+ struct strbuf tmp_file = STRBUF_INIT;
+ fd = odb_mkstemp(&tmp_file, "pack/tmp_idx_XXXXXX");
+ index_name = strbuf_detach(&tmp_file, NULL);
} else {
unlink(index_name);
fd = open(index_name, O_CREAT|O_EXCL|O_WRONLY, 0600);
+ if (fd < 0)
+ die_errno("unable to create '%s'", index_name);
}
- if (fd < 0)
- die_errno("unable to create '%s'", index_name);
f = sha1fd(fd, index_name);
}
struct pack_idx_entry **next = list;
while (next < last) {
struct pack_idx_entry *obj = *next;
- if (obj->sha1[0] != i)
+ if (obj->oid.hash[0] != i)
break;
next++;
}
}
sha1write(f, array, 256 * 4);
- /* compute the SHA1 hash of sorted object names. */
- git_SHA1_Init(&ctx);
-
/*
* Write the actual SHA1 entries..
*/
uint32_t offset = htonl(obj->offset);
sha1write(f, &offset, 4);
}
- sha1write(f, obj->sha1, 20);
- git_SHA1_Update(&ctx, obj->sha1, 20);
+ sha1write(f, obj->oid.hash, 20);
if ((opts->flags & WRITE_IDX_STRICT) &&
- (i && !hashcmp(list[-2]->sha1, obj->sha1)))
+ (i && !oidcmp(&list[-2]->oid, &obj->oid)))
die("The same object %s appears twice in the pack",
- sha1_to_hex(obj->sha1));
+ oid_to_hex(&obj->oid));
}
if (index_version >= 2) {
sha1write(f, sha1, 20);
sha1close(f, NULL, ((opts->flags & WRITE_IDX_VERIFY)
? CSUM_CLOSE : CSUM_FSYNC));
- git_SHA1_Final(sha1, &ctx);
return index_name;
}
hdr.hdr_signature = htonl(PACK_SIGNATURE);
hdr.hdr_version = htonl(PACK_VERSION);
hdr.hdr_entries = htonl(nr_entries);
- if (sha1write(f, &hdr, sizeof(hdr)))
- return 0;
+ sha1write(f, &hdr, sizeof(hdr));
return sizeof(hdr);
}
git_SHA_CTX old_sha1_ctx, new_sha1_ctx;
struct pack_header hdr;
char *buf;
+ ssize_t read_result;
git_SHA1_Init(&old_sha1_ctx);
git_SHA1_Init(&new_sha1_ctx);
if (lseek(pack_fd, 0, SEEK_SET) != 0)
die_errno("Failed seeking to start of '%s'", pack_name);
- if (read_in_full(pack_fd, &hdr, sizeof(hdr)) != sizeof(hdr))
+ read_result = read_in_full(pack_fd, &hdr, sizeof(hdr));
+ if (read_result < 0)
die_errno("Unable to reread header of '%s'", pack_name);
+ else if (read_result != sizeof(hdr))
+ die_errno("Unexpected short read for header of '%s'",
+ pack_name);
if (lseek(pack_fd, 0, SEEK_SET) != 0)
die_errno("Failed seeking to start of '%s'", pack_name);
git_SHA1_Update(&old_sha1_ctx, &hdr, sizeof(hdr));
* case, we need it to remove the corresponding .keep file
* later on. If we don't get that then tough luck with it.
*/
- if (read_in_full(ip_out, packname, 46) == 46 && packname[45] == '\n' &&
- memcmp(packname, "keep\t", 5) == 0) {
- char path[PATH_MAX];
+ if (read_in_full(ip_out, packname, 46) == 46 && packname[45] == '\n') {
+ const char *name;
packname[45] = 0;
- snprintf(path, sizeof(path), "%s/pack/pack-%s.keep",
- get_object_directory(), packname + 5);
- return xstrdup(path);
+ if (skip_prefix(packname, "keep\t", &name))
+ return xstrfmt("%s/pack/pack-%s.keep",
+ get_object_directory(), name);
}
return NULL;
}
* - each byte afterwards: low seven bits are size continuation,
* with the high bit being "size continues"
*/
-int encode_in_pack_object_header(enum object_type type, uintmax_t size, unsigned char *hdr)
+int encode_in_pack_object_header(unsigned char *hdr, int hdr_len,
+ enum object_type type, uintmax_t size)
{
int n = 1;
unsigned char c;
c = (type << 4) | (size & 15);
size >>= 4;
while (size) {
+ if (n == hdr_len)
+ die("object size is too enormous to format");
*hdr++ = c | 0x80;
c = size & 0x7f;
size >>= 7;
struct sha1file *create_tmp_packfile(char **pack_tmp_name)
{
- char tmpname[PATH_MAX];
+ struct strbuf tmpname = STRBUF_INIT;
int fd;
- fd = odb_mkstemp(tmpname, sizeof(tmpname), "pack/tmp_pack_XXXXXX");
- *pack_tmp_name = xstrdup(tmpname);
+ fd = odb_mkstemp(&tmpname, "pack/tmp_pack_XXXXXX");
+ *pack_tmp_name = strbuf_detach(&tmpname, NULL);
return sha1fd(fd, *pack_tmp_name);
}
-void finish_tmp_packfile(char *name_buffer,
+void finish_tmp_packfile(struct strbuf *name_buffer,
const char *pack_tmp_name,
struct pack_idx_entry **written_list,
uint32_t nr_written,
unsigned char sha1[])
{
const char *idx_tmp_name;
- char *end_of_name_prefix = strrchr(name_buffer, 0);
+ int basename_len = name_buffer->len;
if (adjust_shared_perm(pack_tmp_name))
die_errno("unable to make temporary pack file readable");
if (adjust_shared_perm(idx_tmp_name))
die_errno("unable to make temporary index file readable");
- sprintf(end_of_name_prefix, "%s.pack", sha1_to_hex(sha1));
- free_pack_by_name(name_buffer);
+ strbuf_addf(name_buffer, "%s.pack", sha1_to_hex(sha1));
- if (rename(pack_tmp_name, name_buffer))
+ if (rename(pack_tmp_name, name_buffer->buf))
die_errno("unable to rename temporary pack file");
- sprintf(end_of_name_prefix, "%s.idx", sha1_to_hex(sha1));
- if (rename(idx_tmp_name, name_buffer))
+ strbuf_setlen(name_buffer, basename_len);
+
+ strbuf_addf(name_buffer, "%s.idx", sha1_to_hex(sha1));
+ if (rename(idx_tmp_name, name_buffer->buf))
die_errno("unable to rename temporary index file");
+ strbuf_setlen(name_buffer, basename_len);
+
free((void *)idx_tmp_name);
}
projects / platform / upstream / git.git / blobdiff