static int buffer_want_with_caps(git_remote_head *head, git_transport_caps *caps, git_buf *buf)
{
git_buf str = GIT_BUF_INIT;
char oid[GIT_OID_HEXSZ +1] = {0};
unsigned int len;
if (caps->ofs_delta)
git_buf_puts(&str, GIT_CAP_OFS_DELTA " ");
if (caps->multi_ack)
git_buf_puts(&str, GIT_CAP_MULTI_ACK " ");
if (git_buf_oom(&str))
return -1;
len = (unsigned int)
(strlen("XXXXwant ") + GIT_OID_HEXSZ + 1 /* NUL */ +
git_buf_len(&str) + 1 /* LF */);
git_buf_grow(buf, git_buf_len(buf) + len);
git_oid_fmt(oid, &head->oid);
git_buf_printf(buf, "%04xwant %s %s\n", len, oid, git_buf_cstr(&str));
git_buf_free(&str);
return git_buf_oom(buf);
}
static int prepare_worktree_commit_message(
git_buf* msg,
const char *user_message)
{
git_buf buf = GIT_BUF_INIT;
int error;
if ((error = git_buf_set(&buf, git_buf_cstr(msg), git_buf_len(msg))) < 0)
return error;
git_buf_clear(msg);
if (!user_message)
git_buf_printf(msg, "WIP on %s", git_buf_cstr(&buf));
else {
const char *colon;
if ((colon = strchr(git_buf_cstr(&buf), ':')) == NULL)
goto cleanup;
git_buf_puts(msg, "On ");
git_buf_put(msg, git_buf_cstr(&buf), colon - buf.ptr);
git_buf_printf(msg, ": %s\n", user_message);
}
error = (git_buf_oom(msg) || git_buf_oom(&buf)) ? -1 : 0;
cleanup:
git_buf_free(&buf);
return error;
}
static int buffer_want_with_caps(const git_remote_head *head, transport_smart_caps *caps, git_buf *buf)
{
git_buf str = GIT_BUF_INIT;
char oid[GIT_OID_HEXSZ +1] = {0};
unsigned int len;
/* Prefer side-band-64k if the server supports both */
if (caps->side_band) {
if (caps->side_band_64k)
git_buf_printf(&str, "%s ", GIT_CAP_SIDE_BAND_64K);
else
git_buf_printf(&str, "%s ", GIT_CAP_SIDE_BAND);
}
if (caps->ofs_delta)
git_buf_puts(&str, GIT_CAP_OFS_DELTA " ");
if (caps->multi_ack)
git_buf_puts(&str, GIT_CAP_MULTI_ACK " ");
if (caps->include_tag)
git_buf_puts(&str, GIT_CAP_INCLUDE_TAG " ");
if (git_buf_oom(&str))
return -1;
len = (unsigned int)
(strlen("XXXXwant ") + GIT_OID_HEXSZ + 1 /* NUL */ +
git_buf_len(&str) + 1 /* LF */);
git_buf_grow(buf, git_buf_len(buf) + len);
git_oid_fmt(oid, &head->oid);
git_buf_printf(buf, "%04xwant %s %s\n", len, oid, git_buf_cstr(&str));
git_buf_free(&str);
return git_buf_oom(buf);
}
int git_commit_header_field(git_buf *out, const git_commit *commit, const char *field)
{
const char *eol, *buf = commit->raw_header;
git_buf_clear(out);
while ((eol = strchr(buf, '\n'))) {
/* We can skip continuations here */
if (buf[0] == ' ') {
buf = eol + 1;
continue;
}
/* Skip until we find the field we're after */
if (git__prefixcmp(buf, field)) {
buf = eol + 1;
continue;
}
buf += strlen(field);
/* Check that we're not matching a prefix but the field itself */
if (buf[0] != ' ') {
buf = eol + 1;
continue;
}
buf++; /* skip the SP */
git_buf_put(out, buf, eol - buf);
if (git_buf_oom(out))
goto oom;
/* If the next line starts with SP, it's multi-line, we must continue */
while (eol[1] == ' ') {
git_buf_putc(out, '\n');
buf = eol + 2;
eol = strchr(buf, '\n');
if (!eol)
goto malformed;
git_buf_put(out, buf, eol - buf);
}
if (git_buf_oom(out))
goto oom;
return 0;
}
giterr_set(GITERR_OBJECT, "no such field '%s'", field);
return GIT_ENOTFOUND;
malformed:
giterr_set(GITERR_OBJECT, "malformed header");
return -1;
oom:
giterr_set_oom();
return -1;
}
static int clone_local_into(git_repository *repo, git_remote *remote, const git_checkout_options *co_opts, const char *branch, int link, const git_signature *signature)
{
int error, flags;
git_repository *src;
git_buf src_odb = GIT_BUF_INIT, dst_odb = GIT_BUF_INIT, src_path = GIT_BUF_INIT;
git_buf reflog_message = GIT_BUF_INIT;
assert(repo && remote);
if (!git_repository_is_empty(repo)) {
giterr_set(GITERR_INVALID, "the repository is not empty");
return -1;
}
/*
* Let's figure out what path we should use for the source
* repo, if it's not rooted, the path should be relative to
* the repository's worktree/gitdir.
*/
if ((error = git_path_from_url_or_path(&src_path, git_remote_url(remote))) < 0)
return error;
/* Copy .git/objects/ from the source to the target */
if ((error = git_repository_open(&src, git_buf_cstr(&src_path))) < 0) {
git_buf_free(&src_path);
return error;
}
git_buf_joinpath(&src_odb, git_repository_path(src), GIT_OBJECTS_DIR);
git_buf_joinpath(&dst_odb, git_repository_path(repo), GIT_OBJECTS_DIR);
if (git_buf_oom(&src_odb) || git_buf_oom(&dst_odb)) {
error = -1;
goto cleanup;
}
flags = 0;
if (can_link(git_repository_path(src), git_repository_path(repo), link))
flags |= GIT_CPDIR_LINK_FILES;
if ((error = git_futils_cp_r(git_buf_cstr(&src_odb), git_buf_cstr(&dst_odb),
flags, GIT_OBJECT_DIR_MODE)) < 0)
goto cleanup;
git_buf_printf(&reflog_message, "clone: from %s", git_remote_url(remote));
if ((error = git_remote_fetch(remote, signature, git_buf_cstr(&reflog_message))) != 0)
goto cleanup;
error = checkout_branch(repo, remote, co_opts, branch, signature, git_buf_cstr(&reflog_message));
cleanup:
git_buf_free(&reflog_message);
git_buf_free(&src_path);
git_buf_free(&src_odb);
git_buf_free(&dst_odb);
git_repository_free(src);
return error;
}
int git_commit_header_field(git_buf *out, const git_commit *commit, const char *field)
{
const char *buf = commit->raw_header;
const char *h, *eol;
git_buf_sanitize(out);
while ((h = strchr(buf, '\n')) && h[1] != '\0' && h[1] != '\n') {
h++;
if (git__prefixcmp(h, field)) {
buf = h;
continue;
}
h += strlen(field);
eol = strchr(h, '\n');
if (h[0] != ' ') {
buf = h;
continue;
}
if (!eol)
goto malformed;
h++; /* skip the SP */
git_buf_put(out, h, eol - h);
if (git_buf_oom(out))
goto oom;
/* If the next line starts with SP, it's multi-line, we must continue */
while (eol[1] == ' ') {
git_buf_putc(out, '\n');
h = eol + 2;
eol = strchr(h, '\n');
if (!eol)
goto malformed;
git_buf_put(out, h, eol - h);
}
if (git_buf_oom(out))
goto oom;
return 0;
}
return GIT_ENOTFOUND;
malformed:
giterr_set(GITERR_OBJECT, "malformed header");
return -1;
oom:
giterr_set_oom();
return -1;
}
void test_buf_basic__printf(void)
{
git_buf buf2 = GIT_BUF_INIT;
git_buf_printf(&buf2, "%s %s %d ", "shoop", "da", 23);
cl_assert(git_buf_oom(&buf2) == 0);
cl_assert_equal_s(git_buf_cstr(&buf2), "shoop da 23 ");
git_buf_printf(&buf2, "%s %d", "woop", 42);
cl_assert(git_buf_oom(&buf2) == 0);
cl_assert_equal_s(git_buf_cstr(&buf2), "shoop da 23 woop 42");
git_buf_free(&buf2);
}
/* test git_buf_printf */
void test_core_buffer__1(void)
{
git_buf buf = GIT_BUF_INIT;
git_buf_printf(&buf, "%s %s %d ", "shoop", "da", 23);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s("shoop da 23 ", git_buf_cstr(&buf));
git_buf_printf(&buf, "%s %d", "woop", 42);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s("shoop da 23 woop 42", git_buf_cstr(&buf));
git_buf_free(&buf);
}
int git_pkt_buffer_wants(const git_vector *refs, git_transport_caps *caps, git_buf *buf)
{
unsigned int i = 0;
git_remote_head *head;
if (caps->common) {
for (; i < refs->length; ++i) {
head = refs->contents[i];
if (!head->local)
break;
}
if (buffer_want_with_caps(refs->contents[i], caps, buf) < 0)
return -1;
i++;
}
for (; i < refs->length; ++i) {
char oid[GIT_OID_HEXSZ];
head = refs->contents[i];
if (head->local)
continue;
git_oid_fmt(oid, &head->oid);
git_buf_put(buf, pkt_want_prefix, strlen(pkt_want_prefix));
git_buf_put(buf, oid, GIT_OID_HEXSZ);
git_buf_putc(buf, '\n');
if (git_buf_oom(buf))
return -1;
}
return git_pkt_buffer_flush(buf);
}
static int diff_print_patch_line(
const git_diff_delta *delta,
const git_diff_range *range,
char line_origin, /* GIT_DIFF_LINE value from above */
const char *content,
size_t content_len,
void *data)
{
diff_print_info *pi = data;
if (S_ISDIR(delta->new_file.mode))
return 0;
git_buf_clear(pi->buf);
if (line_origin == GIT_DIFF_LINE_ADDITION ||
line_origin == GIT_DIFF_LINE_DELETION ||
line_origin == GIT_DIFF_LINE_CONTEXT)
git_buf_printf(pi->buf, "%c%.*s", line_origin, (int)content_len, content);
else if (content_len > 0)
git_buf_printf(pi->buf, "%.*s", (int)content_len, content);
if (git_buf_oom(pi->buf))
return -1;
if (pi->print_cb(delta, range, line_origin,
git_buf_cstr(pi->buf), git_buf_len(pi->buf), pi->payload))
return callback_error();
return 0;
}
static int write_chunk(gitno_socket *socket, const char *buffer, size_t len)
{
git_buf buf = GIT_BUF_INIT;
/* Chunk header */
git_buf_printf(&buf, "%X\r\n", (unsigned)len);
if (git_buf_oom(&buf))
return -1;
if (gitno_send(socket, buf.ptr, buf.size, 0) < 0) {
git_buf_free(&buf);
return -1;
}
git_buf_free(&buf);
/* Chunk body */
if (len > 0 && gitno_send(socket, buffer, len, 0) < 0)
return -1;
/* Chunk footer */
if (gitno_send(socket, "\r\n", 2, 0) < 0)
return -1;
return 0;
}
/* let's try some producer/consumer tests */
void test_core_buffer__4(void)
{
git_buf buf = GIT_BUF_INIT;
int i;
for (i = 0; i < 10; ++i) {
git_buf_puts(&buf, "1234"); /* add 4 */
cl_assert(git_buf_oom(&buf) == 0);
git_buf_consume(&buf, buf.ptr + 2); /* eat the first two */
cl_assert(strlen(git_buf_cstr(&buf)) == (size_t)((i + 1) * 2));
}
/* we have appended 1234 10x and removed the first 20 letters */
cl_assert_equal_s("12341234123412341234", git_buf_cstr(&buf));
git_buf_consume(&buf, NULL);
cl_assert_equal_s("12341234123412341234", git_buf_cstr(&buf));
git_buf_consume(&buf, "invalid pointer");
cl_assert_equal_s("12341234123412341234", git_buf_cstr(&buf));
git_buf_consume(&buf, buf.ptr);
cl_assert_equal_s("12341234123412341234", git_buf_cstr(&buf));
git_buf_consume(&buf, buf.ptr + 1);
cl_assert_equal_s("2341234123412341234", git_buf_cstr(&buf));
git_buf_consume(&buf, buf.ptr + buf.size);
cl_assert_equal_s("", git_buf_cstr(&buf));
git_buf_free(&buf);
}
static int diriter_update_paths(git_path_diriter *diriter)
{
size_t filename_len, path_len;
filename_len = wcslen(diriter->current.cFileName);
if (GIT_ADD_SIZET_OVERFLOW(&path_len, diriter->parent_len, filename_len) ||
GIT_ADD_SIZET_OVERFLOW(&path_len, path_len, 2))
return -1;
if (path_len > GIT_WIN_PATH_UTF16) {
giterr_set(GITERR_FILESYSTEM,
"invalid path '%.*ls\\%ls' (path too long)",
diriter->parent_len, diriter->path, diriter->current.cFileName);
return -1;
}
diriter->path[diriter->parent_len] = L'\\';
memcpy(&diriter->path[diriter->parent_len+1],
diriter->current.cFileName, filename_len * sizeof(wchar_t));
diriter->path[path_len-1] = L'\0';
git_buf_truncate(&diriter->path_utf8, diriter->parent_utf8_len);
git_buf_putc(&diriter->path_utf8, '/');
git_buf_put_w(&diriter->path_utf8, diriter->current.cFileName, filename_len);
if (git_buf_oom(&diriter->path_utf8))
return -1;
return 0;
}
/*
* Create a git protocol request.
*
* For example: 0035git-upload-pack /libgit2/libgit2\0host=github.com\0
*/
static int gen_proto(git_buf *request, const char *cmd, const char *url)
{
char *delim, *repo;
char host[] = "host=";
size_t len;
delim = strchr(url, '/');
if (delim == NULL) {
giterr_set(GITERR_NET, "Malformed URL");
return -1;
}
repo = delim;
delim = strchr(url, ':');
if (delim == NULL)
delim = strchr(url, '/');
len = 4 + strlen(cmd) + 1 + strlen(repo) + 1 + strlen(host) + (delim - url) + 1;
git_buf_grow(request, len);
git_buf_printf(request, "%04x%s %s%c%s",
(unsigned int)(len & 0x0FFFF), cmd, repo, 0, host);
git_buf_put(request, url, delim - url);
git_buf_putc(request, '\0');
if (git_buf_oom(request))
return -1;
return 0;
}
static int diff_print_oid_range(diff_print_info *pi, const git_diff_delta *delta)
{
git_buf *out = pi->buf;
char start_oid[GIT_OID_HEXSZ+1], end_oid[GIT_OID_HEXSZ+1];
git_oid_tostr(start_oid, pi->oid_strlen, &delta->old_file.oid);
git_oid_tostr(end_oid, pi->oid_strlen, &delta->new_file.oid);
/* TODO: Match git diff more closely */
if (delta->old_file.mode == delta->new_file.mode) {
git_buf_printf(out, "index %s..%s %o\n",
start_oid, end_oid, delta->old_file.mode);
} else {
if (delta->old_file.mode == 0) {
git_buf_printf(out, "new file mode %o\n", delta->new_file.mode);
} else if (delta->new_file.mode == 0) {
git_buf_printf(out, "deleted file mode %o\n", delta->old_file.mode);
} else {
git_buf_printf(out, "old mode %o\n", delta->old_file.mode);
git_buf_printf(out, "new mode %o\n", delta->new_file.mode);
}
git_buf_printf(out, "index %s..%s\n", start_oid, end_oid);
}
if (git_buf_oom(out))
return -1;
return 0;
}
static int read_loose(git_rawobj *out, git_buf *loc)
{
int error;
git_buf obj = GIT_BUF_INIT;
assert(out && loc);
if (git_buf_oom(loc))
return -1;
out->data = NULL;
out->len = 0;
out->type = GIT_OBJ_BAD;
if ((error = git_futils_readbuffer(&obj, loc->ptr)) < 0)
goto done;
if (!is_zlib_compressed_data((unsigned char *)obj.ptr, obj.size))
error = read_loose_packlike(out, &obj);
else
error = read_loose_standard(out, &obj);
done:
git_buf_dispose(&obj);
return error;
}
static int gen_request(git_buf *buf, const char *path, const char *host, const char *op,
const char *service, ssize_t content_length, int ls)
{
if (path == NULL) /* Is 'git fetch http://host.com/' valid? */
path = "/";
if (ls) {
git_buf_printf(buf, "%s %s/info/refs?service=git-%s HTTP/1.1\r\n", op, path, service);
} else {
git_buf_printf(buf, "%s %s/git-%s HTTP/1.1\r\n", op, path, service);
}
git_buf_puts(buf, "User-Agent: git/1.0 (libgit2 " LIBGIT2_VERSION ")\r\n");
git_buf_printf(buf, "Host: %s\r\n", host);
if (content_length > 0) {
git_buf_printf(buf, "Accept: application/x-git-%s-result\r\n", service);
git_buf_printf(buf, "Content-Type: application/x-git-%s-request\r\n", service);
git_buf_printf(buf, "Content-Length: %"PRIuZ "\r\n", content_length);
} else {
git_buf_puts(buf, "Accept: */*\r\n");
}
git_buf_puts(buf, "\r\n");
if (git_buf_oom(buf))
return -1;
return 0;
}
static int on_headers_complete(http_parser *parser)
{
transport_http *t = (transport_http *) parser->data;
git_buf *buf = &t->buf;
/* The content-type is text/plain for 404, so don't validate */
if (parser->status_code == 404) {
git_buf_clear(buf);
return 0;
}
if (t->content_type == NULL) {
t->content_type = git__strdup(git_buf_cstr(buf));
if (t->content_type == NULL)
return t->error = -1;
}
git_buf_clear(buf);
git_buf_printf(buf, "application/x-git-%s-advertisement", t->service);
if (git_buf_oom(buf))
return t->error = -1;
if (strcmp(t->content_type, git_buf_cstr(buf)))
return t->error = -1;
git_buf_clear(buf);
return 0;
}
static int on_header_field(http_parser *parser, const char *str, size_t len)
{
transport_http *t = (transport_http *) parser->data;
git_buf *buf = &t->buf;
if (t->last_cb == VALUE && t->ct_found) {
t->ct_finished = 1;
t->ct_found = 0;
t->content_type = git__strdup(git_buf_cstr(buf));
GITERR_CHECK_ALLOC(t->content_type);
git_buf_clear(buf);
}
if (t->ct_found) {
t->last_cb = FIELD;
return 0;
}
if (t->last_cb != FIELD)
git_buf_clear(buf);
git_buf_put(buf, str, len);
t->last_cb = FIELD;
return git_buf_oom(buf);
}
int git_treebuilder_write(git_oid *oid, git_repository *repo, git_treebuilder *bld)
{
unsigned int i;
int error;
git_buf tree = GIT_BUF_INIT;
assert(bld);
sort_entries(bld);
/* Grow the buffer beforehand to an estimated size */
git_buf_grow(&tree, bld->entries.length * 72);
for (i = 0; i < bld->entries.length; ++i) {
git_tree_entry *entry = bld->entries.contents[i];
if (entry->removed)
continue;
git_buf_printf(&tree, "%o ", entry->attr);
git_buf_put(&tree, entry->filename, entry->filename_len + 1);
git_buf_put(&tree, (char *)entry->oid.id, GIT_OID_RAWSZ);
}
if (git_buf_oom(&tree)) {
git_buf_free(&tree);
return git__throw(GIT_ENOMEM, "Not enough memory to build the tree data");
}
error = git_odb_write(oid, git_repository_database(repo), tree.ptr, tree.size, GIT_OBJ_TREE);
git_buf_free(&tree);
return error == GIT_SUCCESS ? GIT_SUCCESS : git__rethrow(error, "Failed to write tree");
}
/*
* Create a git protocol request.
*
* For example: git-upload-pack '/libgit2/libgit2'
*/
static int gen_proto(git_buf *request, const char *cmd, const char *url)
{
char *repo;
int len;
if (!git__prefixcmp(url, prefix_ssh)) {
url = url + strlen(prefix_ssh);
repo = strchr(url, '/');
} else {
repo = strchr(url, ':');
if (repo) repo++;
}
if (!repo) {
giterr_set(GITERR_NET, "Malformed git protocol URL");
return -1;
}
len = strlen(cmd) + 1 /* Space */ + 1 /* Quote */ + strlen(repo) + 1 /* Quote */ + 1;
git_buf_grow(request, len);
git_buf_printf(request, "%s '%s'", cmd, repo);
git_buf_putc(request, '\0');
if (git_buf_oom(request))
return -1;
return 0;
}
static int get_optional_config(
bool *found, git_config *config, git_buf *buf,
git_config_foreach_cb cb, void *payload)
{
int error = 0;
const char *key = git_buf_cstr(buf);
if (git_buf_oom(buf))
return -1;
if (cb != NULL)
error = git_config_get_multivar_foreach(config, key, NULL, cb, payload);
else
error = git_config_get_string(payload, config, key);
if (found)
*found = !error;
if (error == GIT_ENOTFOUND) {
giterr_clear();
error = 0;
}
return error;
}
static void setProcessError(DWORD exitCode, git_buf *errBuf)
{
if (!git_buf_oom(errBuf) && git_buf_len(errBuf))
giterr_set(GITERR_FILTER, "External filter application exited non-zero (%ld) and reported:\n%s", exitCode, errBuf->ptr);
else
giterr_set(GITERR_FILTER, "External filter application exited non-zero: %ld", exitCode);
}
static int loose_backend__foreach(git_odb_backend *_backend, git_odb_foreach_cb cb, void *data)
{
char *objects_dir;
int error;
git_buf buf = GIT_BUF_INIT;
struct foreach_state state;
loose_backend *backend = (loose_backend *) _backend;
assert(backend && cb);
objects_dir = backend->objects_dir;
git_buf_sets(&buf, objects_dir);
git_path_to_dir(&buf);
if (git_buf_oom(&buf))
return -1;
memset(&state, 0, sizeof(state));
state.cb = cb;
state.data = data;
state.dir_len = git_buf_len(&buf);
error = git_path_direach(&buf, 0, foreach_cb, &state);
git_buf_dispose(&buf);
return error;
}
int git_tree_cache_write(git_buf *out, git_tree_cache *tree)
{
recount_entries(tree);
write_tree(out, tree);
return git_buf_oom(out) ? -1 : 0;
}
static int ident_insert_id(
git_buf *to, const git_buf *from, const git_filter_source *src)
{
char oid[GIT_OID_HEXSZ+1];
const char *id_start, *id_end, *from_end = from->ptr + from->size;
size_t need_size;
/* replace $Id$ with blob id */
if (!git_filter_source_id(src))
return GIT_PASSTHROUGH;
git_oid_tostr(oid, sizeof(oid), git_filter_source_id(src));
if (ident_find_id(&id_start, &id_end, from->ptr, from->size) < 0)
return GIT_PASSTHROUGH;
need_size = (size_t)(id_start - from->ptr) +
5 /* "$Id: " */ + GIT_OID_HEXSZ + 1 /* "$" */ +
(size_t)(from_end - id_end);
if (git_buf_grow(to, need_size) < 0)
return -1;
git_buf_set(to, from->ptr, (size_t)(id_start - from->ptr));
git_buf_put(to, "$Id: ", 5);
git_buf_put(to, oid, GIT_OID_HEXSZ);
git_buf_putc(to, '$');
git_buf_put(to, id_end, (size_t)(from_end - id_end));
return git_buf_oom(to) ? -1 : 0;
}
int git_futils_mktmp(git_buf *path_out, const char *filename, mode_t mode)
{
int fd;
mode_t mask;
p_umask(mask = p_umask(0));
git_buf_sets(path_out, filename);
git_buf_puts(path_out, "_git2_XXXXXX");
if (git_buf_oom(path_out))
return -1;
if ((fd = p_mkstemp(path_out->ptr)) < 0) {
giterr_set(GITERR_OS,
"Failed to create temporary file '%s'", path_out->ptr);
return -1;
}
if (p_chmod(path_out->ptr, (mode & ~mask))) {
giterr_set(GITERR_OS,
"Failed to set permissions on file '%s'", path_out->ptr);
return -1;
}
return fd;
}
static int diff_print_oid_range(
git_buf *out, const git_diff_delta *delta, int oid_strlen)
{
char start_oid[GIT_OID_HEXSZ+1], end_oid[GIT_OID_HEXSZ+1];
git_oid_tostr(start_oid, oid_strlen, &delta->old_file.id);
git_oid_tostr(end_oid, oid_strlen, &delta->new_file.id);
/* TODO: Match git diff more closely */
if (delta->old_file.mode == delta->new_file.mode) {
git_buf_printf(out, "index %s..%s %o\n",
start_oid, end_oid, delta->old_file.mode);
} else {
if (delta->old_file.mode == 0) {
git_buf_printf(out, "new file mode %o\n", delta->new_file.mode);
} else if (delta->new_file.mode == 0) {
git_buf_printf(out, "deleted file mode %o\n", delta->old_file.mode);
} else {
git_buf_printf(out, "old mode %o\n", delta->old_file.mode);
git_buf_printf(out, "new mode %o\n", delta->new_file.mode);
}
git_buf_printf(out, "index %s..%s\n", start_oid, end_oid);
}
return git_buf_oom(out) ? -1 : 0;
}
static int read_header_loose(git_rawobj *out, git_buf *loc)
{
unsigned char obj[1024];
int fd, obj_len, error;
assert(out && loc);
if (git_buf_oom(loc))
return -1;
out->data = NULL;
if ((error = fd = git_futils_open_ro(loc->ptr)) < 0 ||
(error = obj_len = p_read(fd, obj, sizeof(obj))) < 0)
goto done;
if (!is_zlib_compressed_data(obj, (size_t)obj_len))
error = read_header_loose_packlike(out, obj, (size_t)obj_len);
else
error = read_header_loose_standard(out, obj, (size_t)obj_len);
if (!error && !git_object_typeisloose(out->type)) {
giterr_set(GITERR_ZLIB, "failed to read loose object header");
error = -1;
goto done;
}
done:
if (fd >= 0)
p_close(fd);
return error;
}
/* test basic data concatenation */
void test_core_buffer__0(void)
{
git_buf buf = GIT_BUF_INIT;
cl_assert(buf.size == 0);
git_buf_puts(&buf, test_string);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(test_string, git_buf_cstr(&buf));
git_buf_puts(&buf, test_string);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(test_string_x2, git_buf_cstr(&buf));
git_buf_free(&buf);
}