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/*
* Copyright (C) 2009-2012 the libgit2 contributors
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#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;
}
size_t git_blob_rawsize(git_blob *blob)
{
assert(blob);
return blob->odb_object->raw.len;
}
void git_blob__free(git_blob *blob)
{
git_odb_object_free(blob->odb_object);
git__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 *odb;
git_odb_stream *stream;
error = git_repository_odb__weakptr(&odb, repo);
if (error < GIT_SUCCESS)
return error;
if ((error = git_odb_open_wstream(&stream, odb, 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 = GIT_SUCCESS;
git_buf full_path = GIT_BUF_INIT;
git_off_t size;
git_odb_stream *stream = NULL;
struct stat st;
const char *workdir;
git_odb *odb;
workdir = git_repository_workdir(repo);
if (workdir == NULL)
return git__throw(GIT_ENOTFOUND, "Failed to create blob. (No working directory found)");
error = git_buf_joinpath(&full_path, workdir, path);
if (error < GIT_SUCCESS)
return error;
error = p_lstat(full_path.ptr, &st);
if (error < 0) {
error = git__throw(GIT_EOSERR, "Failed to stat blob. %s", strerror(errno));
goto cleanup;
}
size = st.st_size;
error = git_repository_odb__weakptr(&odb, repo);
if (error < GIT_SUCCESS)
goto cleanup;
if ((error = git_odb_open_wstream(&stream, odb, (size_t)size, GIT_OBJ_BLOB)) < GIT_SUCCESS)
goto cleanup;
if (S_ISLNK(st.st_mode)) {
char *link_data;
ssize_t read_len;
link_data = git__malloc(size);
if (!link_data) {
error = GIT_ENOMEM;
goto cleanup;
}
read_len = p_readlink(full_path.ptr, link_data, size);
if (read_len != (ssize_t)size) {
error = git__throw(GIT_EOSERR, "Failed to create blob. Can't read symlink");
free(link_data);
goto cleanup;
}
stream->write(stream, link_data, size);
free(link_data);
} else {
int fd;
char buffer[2048];
if ((fd = p_open(full_path.ptr, O_RDONLY)) < 0) {
error = git__throw(GIT_ENOTFOUND, "Failed to create blob. Could not open '%s'", full_path.ptr);
goto cleanup;
}
while (size > 0) {
ssize_t read_len = p_read(fd, buffer, sizeof(buffer));
if (read_len < 0) {
error = git__throw(GIT_EOSERR, "Failed to create blob. Can't read full file");
p_close(fd);
goto cleanup;
}
stream->write(stream, buffer, read_len);
size -= read_len;
}
p_close(fd);
}
error = stream->finalize_write(oid, stream);
cleanup:
if (stream)
stream->free(stream);
git_buf_free(&full_path);
return error;
}
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