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/*
* Copyright 2019 Tresys Technology, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "string_list.h"
#include "xalloc.h"
int str_in_sl(const char *str, const struct string_list *sl)
{
if (!sl) {
return 0;
}
while (sl) {
if (0 == strcmp(sl->string, str)) {
return 1;
}
sl = sl->next;
}
return 0;
}
struct string_list *copy_string_list(const struct string_list *sl)
{
if (!sl) {
return NULL;
}
struct string_list *ret = xmalloc(sizeof(struct string_list));
struct string_list *cur = ret;
while (sl) {
cur->string = xstrdup(sl->string);
cur->has_incorrect_space = sl->has_incorrect_space;
cur->arg_start = sl->arg_start;
if (sl->next) {
cur->next = xmalloc(sizeof(struct string_list));
} else {
cur->next = NULL;
}
sl = sl->next;
cur = cur->next;
}
return ret;
}
struct string_list *sl_from_str(const char *string)
{
struct string_list *ret = xmalloc(sizeof(struct string_list));
ret->string = xstrdup(string);
ret->next = NULL;
ret->has_incorrect_space = 0;
ret->arg_start = 0;
return ret;
}
struct string_list *sl_from_strn(const char *string, size_t len)
{
struct string_list *ret = xmalloc(sizeof(struct string_list));
ret->string = xstrndup(string, len);
ret->next = NULL;
ret->has_incorrect_space = 0;
ret->arg_start = 0;
return ret;
}
struct string_list *sl_from_str_consume(char *string)
{
struct string_list *ret = xmalloc(sizeof(struct string_list));
ret->string = string;
ret->next = NULL;
ret->has_incorrect_space = 0;
ret->arg_start = 0;
return ret;
}
struct string_list *sl_from_strs(int count, ...)
{
struct string_list *ret = NULL;
va_list args;
va_start(args, count);
for (int i = 0; i < count; ++i) {
ret = concat_string_lists(ret, sl_from_str(va_arg(args, const char *)));
}
va_end(args);
return ret;
}
struct string_list *concat_string_lists(struct string_list *head, struct string_list *tail)
{
if (!head) {
return tail;
}
if (!tail) {
return head;
}
struct string_list *cur = head;
while (cur->next) {
cur = cur->next;
}
cur->next = tail;
return head;
}
enum selint_error append_to_sl(struct string_list *sl, const char *string)
{
if (!sl) {
return SELINT_BAD_ARG;
}
while (sl->next) {
sl = sl->next;
}
sl->next = sl_from_str(string);
return SELINT_SUCCESS;
}
void free_string_list(struct string_list *list)
{
if (list == NULL) {
return;
}
struct string_list *cur = list;
while (cur) {
struct string_list *to_free = cur;
cur = cur->next;
free(to_free->string);
free(to_free);
}
}
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