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stringlist.c
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stringlist.c
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/**
* ratched - TLS connection router that performs a man-in-the-middle attack
* Copyright (C) 2017-2017 Johannes Bauer
*
* This file is part of ratched.
*
* ratched is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; this program is ONLY licensed under
* version 3 of the License, later versions are explicitly excluded.
*
* ratched is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ratched; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Johannes Bauer <JohannesBauer@gmx.de>
**/
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include "stringlist.h"
bool parse_stringlist(struct stringlist_t *list, const char *string, const char *delim) {
memset(list, 0, sizeof(struct stringlist_t));
list->dupstr = strdup(string);
if (!list->dupstr) {
return false;
}
char *strcopy = list->dupstr;
char *saveptr = NULL;
char *next;
while ((next = strtok_r(strcopy, delim, &saveptr)) != NULL) {
char **new_tokens = realloc(list->tokens, sizeof(char*) * (list->token_cnt + 1));
if (!new_tokens) {
free(list->dupstr);
free(list->tokens);
return false;
}
list->tokens = new_tokens;
list->tokens[list->token_cnt] = next;
list->token_cnt++;
strcopy = NULL;
}
return true;
}
void free_stringlist(struct stringlist_t *list) {
free(list->dupstr);
free(list->tokens);
}
void dump_stringlist(const struct stringlist_t *list) {
fprintf(stderr, "%d strings in stringlist:\n", list->token_cnt);
for (unsigned int i = 0; i < list->token_cnt; i++) {
fprintf(stderr, " %3d: '%s'\n", i, list->tokens[i]);
}
}