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/*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2,
* as published by the Free Software Foundation.
*
* In addition to the permissions in the GNU General Public License,
* the authors give you unlimited permission to link the compiled
* version of this file into combinations with other programs,
* and to distribute those combinations without any restriction
* coming from the use of this file. (The General Public License
* restrictions do apply in other respects; for example, they cover
* modification of the file, and distribution when not linked into
* a combined executable.)
*
* This file is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "git2/common.h"
#include "git2/object.h"
#include "git2/repository.h"
#include "common.h"
#include "blob.h"
const void *git_blob_rawcontent(git_blob *blob)
{
assert(blob);
return blob->odb_object->raw.data;
}
int git_blob_rawsize(git_blob *blob)
{
assert(blob);
return blob->odb_object->raw.len;
}
void git_blob__free(git_blob *blob)
{
git_odb_object_close(blob->odb_object);
free(blob);
}
int git_blob__parse(git_blob *blob, git_odb_object *odb_obj)
{
assert(blob);
git_cached_obj_incref((git_cached_obj *)odb_obj);
blob->odb_object = odb_obj;
return GIT_SUCCESS;
}
int git_blob_create_frombuffer(git_oid *oid, git_repository *repo, const void *buffer, size_t len)
{
int error;
git_odb_stream *stream;
if ((error = git_odb_open_wstream(&stream, repo->db, len, GIT_OBJ_BLOB)) < GIT_SUCCESS)
return git__rethrow(error, "Failed to create blob");
if ((error = stream->write(stream, buffer, len)) < GIT_SUCCESS) {
stream->free(stream);
return error;
}
error = stream->finalize_write(oid, stream);
stream->free(stream);
if (error < GIT_SUCCESS)
return git__rethrow(error, "Failed to create blob");
return GIT_SUCCESS;
}
int git_blob_create_fromfile(git_oid *oid, git_repository *repo, const char *path)
{
int error, islnk;
int fd = 0;
char full_path[GIT_PATH_MAX];
char buffer[2048];
git_off_t size;
git_odb_stream *stream;
struct stat st;
if (repo->path_workdir == NULL)
return git__throw(GIT_ENOTFOUND, "Failed to create blob. (No working directory found)");
git_path_join(full_path, repo->path_workdir, path);
error = p_lstat(full_path, &st);
if (error < 0) {
return git__throw(GIT_EOSERR, "Failed to stat blob. %s", strerror(errno));
}
islnk = S_ISLNK(st.st_mode);
size = st.st_size;
if (!islnk)
if ((fd = p_open(full_path, O_RDONLY)) < 0)
return git__throw(GIT_ENOTFOUND, "Failed to create blob. Could not open '%s'", full_path);
if ((error = git_odb_open_wstream(&stream, repo->db, (size_t)size, GIT_OBJ_BLOB)) < GIT_SUCCESS) {
if (!islnk)
p_close(fd);
return git__rethrow(error, "Failed to create blob");
}
while (size > 0) {
ssize_t read_len;
if (!islnk)
read_len = p_read(fd, buffer, sizeof(buffer));
else
read_len = p_readlink(full_path, buffer, sizeof(buffer));
if (read_len < 0) {
if (!islnk)
p_close(fd);
stream->free(stream);
return git__throw(GIT_EOSERR, "Failed to create blob. Can't read full file");
}
stream->write(stream, buffer, read_len);
size -= read_len;
}
error = stream->finalize_write(oid, stream);
stream->free(stream);
if (!islnk)
p_close(fd);
return error == GIT_SUCCESS ? GIT_SUCCESS : git__rethrow(error, "Failed to create blob");
}
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