libvirt/src/util/virrotatingfile.h

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/*
* virrotatingfile.h: reading/writing of auto-rotating files
*
* Copyright (C) 2015 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#ifndef __VIR_ROTATING_FILE_H__
# define __VIR_ROTATING_FILE_H__
# include "internal.h"
typedef struct virRotatingFileWriter virRotatingFileWriter;
typedef virRotatingFileWriter *virRotatingFileWriterPtr;
typedef struct virRotatingFileReader virRotatingFileReader;
typedef virRotatingFileReader *virRotatingFileReaderPtr;
virRotatingFileWriterPtr virRotatingFileWriterNew(const char *path,
off_t maxlen,
size_t maxbackup,
bool truncate,
mode_t mode);
virRotatingFileReaderPtr virRotatingFileReaderNew(const char *path,
size_t maxbackup);
const char *virRotatingFileWriterGetPath(virRotatingFileWriterPtr file);
ino_t virRotatingFileWriterGetINode(virRotatingFileWriterPtr file);
off_t virRotatingFileWriterGetOffset(virRotatingFileWriterPtr file);
ssize_t virRotatingFileWriterAppend(virRotatingFileWriterPtr file,
const char *buf,
size_t len);
int virRotatingFileReaderSeek(virRotatingFileReaderPtr file,
ino_t inode,
off_t offset);
ssize_t virRotatingFileReaderConsume(virRotatingFileReaderPtr file,
char *buf,
size_t len);
void virRotatingFileWriterFree(virRotatingFileWriterPtr file);
void virRotatingFileReaderFree(virRotatingFileReaderPtr file);
#endif /* __VIR_ROTATING_FILE_H__ */