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/*
* SPDX-License-Identifier: ISC
*
* Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This is an open source non-commercial project. Dear PVS-Studio, please check it.
* PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
*/
#include <config.h>
#include <stdio.h>
#include <time.h>
#include "sudo_compat.h"
#include "sudo_debug.h"
#include "sudo_iolog.h"
/*
* I/O log wrapper for fseek/gzseek.
*/
off_t
iolog_seek(struct iolog_file *iol, off_t offset, int whence)
{
off_t ret;
//debug_decl(iolog_seek, SUDO_DEBUG_UTIL);
#ifdef HAVE_ZLIB_H
if (iol->compressed)
ret = gzseek(iol->fd.g, offset, whence);
else
#endif
ret = fseeko(iol->fd.f, offset, whence);
//debug_return_off_t(ret);
return ret;
}
/*
* I/O log wrapper for rewind/gzrewind.
*/
void
iolog_rewind(struct iolog_file *iol)
{
debug_decl(iolog_rewind, SUDO_DEBUG_UTIL);
#ifdef HAVE_ZLIB_H
if (iol->compressed)
(void)gzrewind(iol->fd.g);
else
#endif
rewind(iol->fd.f);
debug_return;
}
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