blob: 1e03b6b6766e325ee079110325f836d36cda0950 [file] [log] [blame]
/*
* 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);
if (blob->content.data != NULL)
return blob->content.data;
if (blob->object.in_memory)
return NULL;
if (!blob->object.source.open && git_object__source_open((git_object *)blob) < GIT_SUCCESS)
return NULL;
return blob->object.source.raw.data;
}
int git_blob_rawsize(git_blob *blob)
{
assert(blob);
if (blob->content.data != NULL)
return blob->content.len;
return blob->object.source.raw.len;
}
void git_blob__free(git_blob *blob)
{
gitfo_free_buf(&blob->content);
free(blob);
}
int git_blob__parse(git_blob *blob)
{
assert(blob);
return GIT_SUCCESS;
}
int git_blob__writeback(git_blob *blob, git_odb_source *src)
{
assert(blob->object.modified);
if (blob->content.data == NULL)
return GIT_EMISSINGOBJDATA;
return git__source_write(src, blob->content.data, blob->content.len);
}
int git_blob_set_rawcontent(git_blob *blob, const void *buffer, size_t len)
{
assert(blob && buffer);
blob->object.modified = 1;
git_object__source_close((git_object *)blob);
if (blob->content.data != NULL)
gitfo_free_buf(&blob->content);
blob->content.data = git__malloc(len);
blob->content.len = len;
if (blob->content.data == NULL)
return GIT_ENOMEM;
memcpy(blob->content.data, buffer, len);
return GIT_SUCCESS;
}
int git_blob_set_rawcontent_fromfile(git_blob *blob, const char *filename)
{
assert(blob && filename);
blob->object.modified = 1;
if (blob->content.data != NULL)
gitfo_free_buf(&blob->content);
return gitfo_read_file(&blob->content, filename);
}
int git_blob_writefile(git_oid *written_id, git_repository *repo, const char *path)
{
int error;
git_blob *blob;
if (gitfo_exists(path) < 0)
return GIT_ENOTFOUND;
if ((error = git_blob_new(&blob, repo)) < GIT_SUCCESS)
return error;
if ((error = git_blob_set_rawcontent_fromfile(blob, path)) < GIT_SUCCESS)
return error;
if ((error = git_object_write((git_object *)blob)) < GIT_SUCCESS)
return error;
git_oid_cpy(written_id, git_object_id((git_object *)blob));
git_object_close((git_object*)blob);
return GIT_SUCCESS;
}