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/*
* libdpkg - Debian packaging suite library routines
* file.h - file handling routines
*
* Copyright © 2008-2010 Guillem Jover <guillem@debian.org>
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This 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. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LIBDPKG_FILE_H
#define LIBDPKG_FILE_H
#include <sys/types.h>
#include <stdbool.h>
#include <dpkg/macros.h>
#include <dpkg/error.h>
#include <dpkg/varbuf.h>
DPKG_BEGIN_DECLS
/**
* @defgroup file File handling
* @ingroup dpkg-internal
* @{
*/
struct file_stat {
uid_t uid;
gid_t gid;
mode_t mode;
/* Used by dpkg-statoverride when parsing the database to preserve the
* user and group names in case the system does not know about them. */
char *uname;
char *gname;
};
void
file_getcwd(struct varbuf *cwd);
ssize_t
file_readlink(const char *slink, struct varbuf *content, size_t content_len);
bool file_is_exec(const char *filename);
void file_copy_perms(const char *src, const char *dst);
int
file_slurp(const char *filename, struct varbuf *vb, struct dpkg_error *err);
enum file_lock_flags {
FILE_LOCK_NOWAIT,
FILE_LOCK_WAIT,
};
bool file_is_locked(int lockfd, const char *filename);
void file_lock(int *lockfd, enum file_lock_flags flags, const char *filename,
const char *filedesc);
void file_unlock(int fd, const char *filename, const char *filedesc);
void file_show(const char *filename);
/** @} */
DPKG_END_DECLS
#endif /* LIBDPKG_FILE_H */
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