From ae581a19fbe896a797450b9d9573fb66f2735227 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 16:37:38 +0200 Subject: Adding upstream version 1.9.13p3. Signed-off-by: Daniel Baumann --- lib/iolog/iolog_seek.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 lib/iolog/iolog_seek.c (limited to 'lib/iolog/iolog_seek.c') diff --git a/lib/iolog/iolog_seek.c b/lib/iolog/iolog_seek.c new file mode 100644 index 0000000..928ae6e --- /dev/null +++ b/lib/iolog/iolog_seek.c @@ -0,0 +1,69 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2021 Todd C. Miller + * + * 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 + +#include +#include + +#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; +} -- cgit v1.2.3