mirror of
https://git.proxmox.com/git/libgit2
synced 2025-05-05 13:48:41 +00:00
129 lines
3.6 KiB
C
129 lines
3.6 KiB
C
/*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2,
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* as published by the Free Software Foundation.
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*
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* In addition to the permissions in the GNU General Public License,
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* the authors give you unlimited permission to link the compiled
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* version of this file into combinations with other programs,
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* and to distribute those combinations without any restriction
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* coming from the use of this file. (The General Public License
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* restrictions do apply in other respects; for example, they cover
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* modification of the file, and distribution when not linked into
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* a combined executable.)
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*
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* This file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "git2/common.h"
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#include "git2/object.h"
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#include "git2/repository.h"
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#include "common.h"
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#include "blob.h"
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const void *git_blob_rawcontent(git_blob *blob)
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{
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assert(blob);
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return blob->odb_object->raw.data;
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}
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int git_blob_rawsize(git_blob *blob)
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{
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assert(blob);
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return blob->odb_object->raw.len;
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}
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void git_blob__free(git_blob *blob)
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{
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git_odb_object_close(blob->odb_object);
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free(blob);
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}
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int git_blob__parse(git_blob *blob, git_odb_object *odb_obj)
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{
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assert(blob);
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git_cached_obj_incref((git_cached_obj *)odb_obj);
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blob->odb_object = odb_obj;
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return GIT_SUCCESS;
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}
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int git_blob_create_frombuffer(git_oid *oid, git_repository *repo, const void *buffer, size_t len)
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{
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int error;
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git_odb_stream *stream;
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if ((error = git_odb_open_wstream(&stream, repo->db, len, GIT_OBJ_BLOB)) < GIT_SUCCESS)
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return git__rethrow(error, "Failed to create blob");
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stream->write(stream, buffer, len);
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error = stream->finalize_write(oid, stream);
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stream->free(stream);
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if (error < GIT_SUCCESS)
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return git__rethrow(error, "Failed to create blob");
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return GIT_SUCCESS;
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}
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int git_blob_create_fromfile(git_oid *oid, git_repository *repo, const char *path)
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{
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int error, fd;
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char full_path[GIT_PATH_MAX];
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char buffer[2048];
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git_off_t size;
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git_odb_stream *stream;
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if (repo->path_workdir == NULL)
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return git__throw(GIT_ENOTFOUND, "Failed to create blob. (No working directory found)");
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git__joinpath(full_path, repo->path_workdir, path);
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if ((fd = gitfo_open(full_path, O_RDONLY)) < 0)
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return git__throw(GIT_ENOTFOUND, "Failed to create blob. Could not open '%s'", full_path);
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if ((size = gitfo_size(fd)) < 0 || !git__is_sizet(size)) {
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gitfo_close(fd);
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return git__throw(GIT_EOSERR, "Failed to create blob. '%s' appears to be corrupted", full_path);
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}
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if ((error = git_odb_open_wstream(&stream, repo->db, (size_t)size, GIT_OBJ_BLOB)) < GIT_SUCCESS) {
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gitfo_close(fd);
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return git__rethrow(error, "Failed to create blob");
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}
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while (size > 0) {
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ssize_t read_len;
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read_len = read(fd, buffer, sizeof(buffer));
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if (read_len < 0) {
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gitfo_close(fd);
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stream->free(stream);
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return git__throw(GIT_EOSERR, "Failed to create blob. Can't read full file");
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}
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stream->write(stream, buffer, read_len);
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size -= read_len;
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}
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error = stream->finalize_write(oid, stream);
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stream->free(stream);
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gitfo_close(fd);
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if (error < GIT_SUCCESS)
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return git__rethrow(error, "Failed to create blob");
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return GIT_SUCCESS;
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}
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