From 9620f76a210d9d8c1aaff25e99d6dc513f87e6e9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 04:23:56 +0200 Subject: Adding upstream version 1.8.27. Signed-off-by: Daniel Baumann --- plugins/sudoers/strlist.c | 97 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 plugins/sudoers/strlist.c (limited to 'plugins/sudoers/strlist.c') diff --git a/plugins/sudoers/strlist.c b/plugins/sudoers/strlist.c new file mode 100644 index 0000000..1bb7630 --- /dev/null +++ b/plugins/sudoers/strlist.c @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2018 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 +#ifdef HAVE_STRING_H +# include +#endif /* HAVE_STRING_H */ +#ifdef HAVE_STRINGS_H +# include +#endif /* HAVE_STRINGS_H */ + +#include "sudo_compat.h" +#include "sudo_util.h" +#include "sudo_queue.h" +#include "sudoers_debug.h" +#include "strlist.h" + +struct sudoers_string * +sudoers_string_alloc(const char *s) +{ + struct sudoers_string *cs; + debug_decl(sudoers_string_alloc, SUDOERS_DEBUG_UTIL) + + if ((cs = malloc(sizeof(*cs))) != NULL) { + if ((cs->str = strdup(s)) == NULL) { + free(cs); + cs = NULL; + } + } + + debug_return_ptr(cs); +} + +void +sudoers_string_free(struct sudoers_string *cs) +{ + if (cs != NULL) { + free(cs->str); + free(cs); + } +} + +struct sudoers_str_list * +str_list_alloc(void) +{ + struct sudoers_str_list *strlist; + debug_decl(str_list_alloc, SUDOERS_DEBUG_UTIL) + + strlist = malloc(sizeof(*strlist)); + if (strlist != NULL) { + STAILQ_INIT(strlist); + strlist->refcnt = 1; + } + + debug_return_ptr(strlist); +} + +void +str_list_free(void *v) +{ + struct sudoers_str_list *strlist = v; + struct sudoers_string *first; + debug_decl(str_list_free, SUDOERS_DEBUG_UTIL) + + if (strlist != NULL) { + if (--strlist->refcnt == 0) { + while ((first = STAILQ_FIRST(strlist)) != NULL) { + STAILQ_REMOVE_HEAD(strlist, entries); + sudoers_string_free(first); + } + free(strlist); + } + } + debug_return; +} -- cgit v1.2.3