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/*
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
*
* Copyright (c) 1997-2014 ircd-hybrid development team
*
* This program 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
/*! \file irc_string.c
* \brief IRC string functions.
* \version $Id$
*/
#include "config.h"
#include "stdinc.h"
#include "irc_string.h"
int
has_wildcards(const char *str)
{
const unsigned char *p = (const unsigned char *)str;
for (; *p; ++p)
{
if (*p == '\\')
{
if (*++p == '\0')
return 0;
}
else if (IsMWildChar(*p))
return 1;
}
return 0;
}
/*
* strip_tabs(dst, src, length)
*
* Copies src to dst, while converting all \t (tabs) into spaces.
*/
void
strip_tabs(char *dest, const char *src, size_t len)
{
char *d = dest;
/* Sanity check; we don't want anything nasty... */
assert(dest != NULL);
assert(src != NULL);
assert(len > 0);
for (; --len && *src; ++src)
*d++ = *src == '\t' ? ' ' : *src;
*d = '\0'; /* NUL terminate, thanks and goodbye */
}
/*
* strtoken - walk through a string of tokens, using a set of separators
* argv 9/90
*
*/
#ifndef HAVE_STRTOK_R
char *
strtoken(char** save, char* str, const char* fs)
{
char* pos = *save; /* keep last position across calls */
char* tmp;
if (str)
pos = str; /* new string scan */
while (pos && *pos && strchr(fs, *pos) != NULL)
++pos; /* skip leading separators */
if (!pos || !*pos)
return (pos = *save = NULL); /* string contains only sep's */
tmp = pos; /* now, keep position of the token */
while (*pos && strchr(fs, *pos) == NULL)
++pos; /* skip content of the token */
if (*pos)
*pos++ = '\0'; /* remove first sep after the token */
else
pos = NULL; /* end of string */
*save = pos;
return tmp;
}
#endif /* !HAVE_STRTOK_R */
/* libio_basename()
*
* input - i.e. "/usr/local/ircd/modules/m_whois.so"
* output - i.e. "m_whois.so"
* side effects - this will be overwritten on subsequent calls
*/
const char *
libio_basename(const char *path)
{
const char *s;
if ((s = strrchr(path, '/')) == NULL)
s = path;
else
s++;
return s;
}
/*
* strlcat and strlcpy were ripped from openssh 2.5.1p2
* They had the following Copyright info:
*
*
* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
* 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 `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 AUTHOR 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.
*/
#ifndef HAVE_STRLCAT
size_t
strlcat(char *dst, const char *src, size_t siz)
{
char *d = dst;
const char *s = src;
size_t n = siz, dlen;
while (n-- != 0 && *d != '\0')
d++;
dlen = d - dst;
n = siz - dlen;
if (n == 0)
return dlen + strlen(s);
while (*s != '\0')
{
if (n != 1)
{
*d++ = *s;
n--;
}
s++;
}
*d = '\0';
return dlen + (s - src); /* count does not include NUL */
}
#endif
#ifndef HAVE_STRLCPY
size_t
strlcpy(char *dst, const char *src, size_t siz)
{
char *d = dst;
const char *s = src;
size_t n = siz;
/* Copy as many bytes as will fit */
if (n != 0 && --n != 0)
{
do
{
if ((*d++ = *s++) == 0)
break;
} while (--n != 0);
}
/* Not enough room in dst, add NUL and traverse rest of src */
if (n == 0)
{
if (siz != 0)
*d = '\0'; /* NUL-terminate dst */
while (*s++)
;
}
return s - src - 1; /* count does not include NUL */
}
#endif
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