diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 13:14:46 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 13:14:46 +0000 |
commit | 025c439e829e0db9ac511cd9c1b8d5fd53475ead (patch) | |
tree | fa6986b4690f991613ffb97cea1f6942427baf5d /lib/iolog/iolog_gets.c | |
parent | Initial commit. (diff) | |
download | sudo-025c439e829e0db9ac511cd9c1b8d5fd53475ead.tar.xz sudo-025c439e829e0db9ac511cd9c1b8d5fd53475ead.zip |
Adding upstream version 1.9.15p5.upstream/1.9.15p5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/iolog/iolog_gets.c')
-rw-r--r-- | lib/iolog/iolog_gets.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/lib/iolog/iolog_gets.c b/lib/iolog/iolog_gets.c new file mode 100644 index 0000000..f60c3b0 --- /dev/null +++ b/lib/iolog/iolog_gets.c @@ -0,0 +1,78 @@ +/* + * 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 <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <string.h> +#include <errno.h> +#include <limits.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_iolog.h> + +/* + * Like fgets() but for struct iolog_file. + */ +char * +iolog_gets(struct iolog_file *iol, char *buf, int bufsize, + const char **errstr) +{ + char *str; + debug_decl(iolog_gets, SUDO_DEBUG_UTIL); + + if (bufsize < 0) { + errno = EINVAL; + if (errstr != NULL) + *errstr = strerror(errno); + debug_return_str(NULL); + } + +#ifdef HAVE_ZLIB_H + if (iol->compressed) { + if ((str = gzgets(iol->fd.g, buf, bufsize)) == NULL) { + if (errstr != NULL) { + int errnum; + *errstr = gzerror(iol->fd.g, &errnum); + if (errnum == Z_ERRNO) + *errstr = strerror(errno); + } + } + } else +#endif + { + if ((str = fgets(buf, bufsize, iol->fd.f)) == NULL) { + if (errstr != NULL) + *errstr = strerror(errno); + } + } + debug_return_str(str); +} |