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/*
* sl_irc.c: ircII extras on top of sl.c.
*
* Written By Matthew R. Green
*
* Copyright (c) 2017 Matthew R. Green.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "irc.h"
IRCII_RCSID("@(#)$eterna: sl_irc.c,v 1.3 2017/07/09 06:45:33 mrg Exp $");
#include "sl_irc.h"
#include "ircaux.h"
u_char *
sl_concat(StringList *sl, u_char *sep)
{
size_t i;
size_t sep_len = strlen(CP(sep));
size_t len = 0;
u_char *str;
for (i = 0; i < sl->sl_cur; i++)
{
if (i != 0)
len += sep_len;
len += strlen(sl->sl_str[i]) + sep_len;
}
str = new_malloc(len + 1);
str[0] = '\0';
for (i = 0; i < sl->sl_cur; i++)
{
if (i != 0)
my_strncat(str, sep, len);
my_strncat(str, sl->sl_str[i], len);
}
str[len] = '\0';
return str;
}
size_t
sl_size(StringList *sl)
{
return sl->sl_cur;
}
u_char *
sl_iter_fwd(StringList *sl, size_t *next)
{
size_t this = *next;
if (this >= sl->sl_cur)
return NULL;
*next += 1;
return UP(sl->sl_str[this]);
}
u_char *
sl_iter_rev(StringList *sl, size_t *next)
{
size_t this = *next;
if (this >= sl->sl_cur)
return NULL;
*next += 1;
return UP(sl->sl_str[sl->sl_cur - this - 1]);
}
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