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/*
* $Id: String.c,v 1.12 2006/05/20 21:39:39 hno Exp $
*
* DEBUG: section 67 String
* AUTHOR: Duane Wessels
*
* SQUID Web Proxy Cache http://www.squid-cache.org/
* ----------------------------------------------------------
*
* Squid is the result of efforts by numerous individuals from
* the Internet community; see the CONTRIBUTORS file for full
* details. Many organizations have provided support for Squid's
* development; see the SPONSORS file for full details. Squid is
* Copyrighted (C) 2001 by the Regents of the University of
* California; see the COPYRIGHT file for full details. Squid
* incorporates software developed and/or copyrighted by other
* sources; see the CREDITS file for full details.
*
* 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, USA.
*
*/
#include "squid.h"
static void
stringInitBuf(String * s, size_t sz)
{
s->buf = memAllocString(sz, &sz);
assert(sz < 65536);
s->size = sz;
}
void
stringInit(String * s, const char *str)
{
assert(s);
if (str)
stringLimitInit(s, str, strlen(str));
else
*s = StringNull;
}
void
stringLimitInit(String * s, const char *str, int len)
{
assert(s && str);
stringInitBuf(s, len + 1);
s->len = len;
xmemcpy(s->buf, str, len);
s->buf[len] = '\0';
}
String
stringDup(const String * s)
{
String dup;
assert(s);
stringInit(&dup, s->buf);
return dup;
}
void
stringClean(String * s)
{
assert(s);
if (s->buf)
memFreeString(s->size, s->buf);
*s = StringNull;
}
void
stringReset(String * s, const char *str)
{
stringClean(s);
stringInit(s, str);
}
void
stringAppend(String * s, const char *str, int len)
{
assert(s);
assert(str && len >= 0);
if (s->len + len < s->size) {
strncat(s->buf, str, len);
s->len += len;
} else {
String snew = StringNull;
snew.len = s->len + len;
stringInitBuf(&snew, snew.len + 1);
if (s->buf)
xmemcpy(snew.buf, s->buf, s->len);
if (len)
xmemcpy(snew.buf + s->len, str, len);
snew.buf[snew.len] = '\0';
stringClean(s);
*s = snew;
}
}
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