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/*
* Copyright (C) 2011-2014 Codethink Ltd.
*
* This program 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.
*
* This program 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#if !defined (TBDIFF_INSIDE_TBDIFF_H) && !defined (TBDIFF_COMPILATION)
#error "Only <tbdiff/tbdiff.h> may be included directly. This file might disappear or change contents."
#endif
#ifndef __TBDIFF_COMMON_H__
#define __TBDIFF_COMMON_H__
#include <stdio.h>
#include <stdint.h>
#include <stdarg.h>
#include <tbdiff/tbdiff-stat.h>
enum tbd_cmd {
TBD_CMD_IDENTIFY = 0x00,
TBD_CMD_UPDATE = 0x01,
TBD_CMD_DIR_CREATE = 0x10,
TBD_CMD_DIR_ENTER = 0x11,
TBD_CMD_DIR_LEAVE = 0x12,
TBD_CMD_DIR_DELTA = 0x13,
TBD_CMD_FILE_CREATE = 0x20,
TBD_CMD_FILE_DELTA = 0x21,
TBD_CMD_FILE_METADATA_UPDATE = 0x22,
TBD_CMD_ENTITY_MOVE = 0x30,
TBD_CMD_ENTITY_COPY = 0x31,
TBD_CMD_ENTITY_DELETE = 0x32,
TBD_CMD_SYMLINK_CREATE = 0x40,
TBD_CMD_SPECIAL_CREATE = 0x50,
TBD_CMD_XATTRS_UPDATE = 0x60,
};
typedef uint8_t tbd_cmd_type;
enum tbd_metadata_type {
TBD_METADATA_NONE = 0x0,
TBD_METADATA_MTIME = 0x1,
TBD_METADATA_MODE = 0x2,
TBD_METADATA_UID = 0x4,
TBD_METADATA_GID = 0x8,
TBD_METADATA_RDEV = 0x10,
};
enum tbd_error {
TBD_ERROR_SUCCESS = 0,
TBD_ERROR_FAILURE = -1,
TBD_ERROR_OUT_OF_MEMORY = -2,
TBD_ERROR_NULL_POINTER = -3,
TBD_ERROR_INVALID_PARAMETER = -4,
TBD_ERROR_UNABLE_TO_READ_STREAM = -5,
TBD_ERROR_UNABLE_TO_WRITE_STREAM = -6,
TBD_ERROR_UNABLE_TO_CREATE_DIR = -7,
TBD_ERROR_UNABLE_TO_CHANGE_DIR = -8,
TBD_ERROR_UNABLE_TO_OPEN_FILE_FOR_READING = -9,
TBD_ERROR_UNABLE_TO_OPEN_FILE_FOR_WRITING = -10,
TBD_ERROR_FILE_ALREADY_EXISTS = -11,
TBD_ERROR_UNABLE_TO_REMOVE_FILE = -12,
TBD_ERROR_UNABLE_TO_SEEK_THROUGH_STREAM = -13,
TBD_ERROR_FEATURE_NOT_IMPLEMENTED = -14,
TBD_ERROR_FILE_DOES_NOT_EXIST = -15,
TBD_ERROR_UNABLE_TO_DETECT_STREAM_POSITION = -16,
TBD_ERROR_UNABLE_TO_STAT_FILE = -17,
TBD_ERROR_UNABLE_TO_READ_SYMLINK = -18,
TBD_ERROR_UNABLE_TO_CREATE_SYMLINK = -19,
TBD_ERROR_UNABLE_TO_READ_SPECIAL_FILE = -20,
TBD_ERROR_UNABLE_TO_CREATE_SPECIAL_FILE = -21,
TBD_ERROR_UNABLE_TO_CREATE_SOCKET_FILE = -22,
TBD_ERROR_XATTRS_NOT_SUPPORTED = -23,
TBD_ERROR_XATTRS_MISSING_ATTR = -24,
};
#ifdef NDEBUG
#define TBD_DEBUG(d)
#define TBD_WARN(w)
#define TBD_ERROR(e) (e)
#define TBD_DEBUGF(d, ...)
#define TBD_WARNF(w, ...)
#else
#define TBD_DEBUG(d) \
tbd_log("debug", "%s", __func__, __LINE__, __FILE__, d)
#define TBD_WARN(w) \
tbd_log("warning", "%s", __func__, __LINE__, __FILE__, w)
#define TBD_DEBUGF(d, ...) \
tbd_log("debug", d, __func__, __LINE__, __FILE__, __VA_ARGS__)
#define TBD_WARNF(w, ...) \
tbd_log("warning", w, __func__, __LINE__, __FILE__, __VA_ARGS__)
static inline
tbd_log(char const *t, char const *s, char const *func, int line,
char const *file, ...)
{
va_list args;
va_start(args, file);
fprintf(stderr, "TBDiff %s '", t);
vfprintf(stderr, s, args);
fprintf(stderr, "' in function '%s' at line %d of file '%s'.\n",
func, line, file);
va_end(args);
}
#define TBD_ERROR(e) tbd_error(e, #e, __func__, __LINE__, __FILE__)
static inline enum tbd_error
tbd_error(enum tbd_error e, char const *s, char const *func, int line,
char const* file)
{
if (e != TBD_ERROR_SUCCESS)
tbd_log("error", "%s", func, line, file, s);
return e;
}
#endif
int tbd_apply (int stream);
int tbd_create(int stream, struct tbd_stat *a, struct tbd_stat *b);
#endif /* !__TBDIFF_COMMON_H__ */
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