mirror of https://github.com/sudo-project/sudo.git
93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/*
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* SPDX-License-Identifier: ISC
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*
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* Copyright (c) 2018 Todd C. Miller <Todd.Miller@sudo.ws>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* This is an open source non-commercial project. Dear PVS-Studio, please check it.
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* PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
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*/
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#include <config.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sudo_compat.h>
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#include <sudo_queue.h>
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#include <sudo_util.h>
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#include <sudoers_debug.h>
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#include <strlist.h>
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struct sudoers_string *
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sudoers_string_alloc(const char *s)
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{
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struct sudoers_string *cs;
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debug_decl(sudoers_string_alloc, SUDOERS_DEBUG_UTIL);
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if ((cs = malloc(sizeof(*cs))) != NULL) {
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if ((cs->str = strdup(s)) == NULL) {
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free(cs);
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cs = NULL;
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}
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}
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debug_return_ptr(cs);
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}
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void
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sudoers_string_free(struct sudoers_string *cs)
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{
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if (cs != NULL) {
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free(cs->str);
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free(cs);
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}
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}
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struct sudoers_str_list *
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str_list_alloc(void)
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{
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struct sudoers_str_list *strlist;
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debug_decl(str_list_alloc, SUDOERS_DEBUG_UTIL);
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strlist = malloc(sizeof(*strlist));
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if (strlist != NULL) {
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STAILQ_INIT(strlist);
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strlist->refcnt = 1;
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}
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debug_return_ptr(strlist);
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}
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void
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str_list_free(void *v)
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{
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struct sudoers_str_list *strlist = v;
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struct sudoers_string *first;
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debug_decl(str_list_free, SUDOERS_DEBUG_UTIL);
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if (strlist != NULL) {
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if (--strlist->refcnt == 0) {
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while ((first = STAILQ_FIRST(strlist)) != NULL) {
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STAILQ_REMOVE_HEAD(strlist, entries);
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sudoers_string_free(first);
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}
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free(strlist);
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}
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}
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debug_return;
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}
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