5cd0815781
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@21005 ec53bebd-3082-4978-b11e-865c3cabbd6b
111 lines
2.7 KiB
C
111 lines
2.7 KiB
C
/*
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* Copyright (c) 2005 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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RCSID("$Id$");
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#endif
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#include <stdarg.h>
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#include <stdlib.h>
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#include "roken.h"
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struct rk_strpool {
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char *str;
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size_t len;
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};
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/*
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*
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*/
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void ROKEN_LIB_FUNCTION
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rk_strpoolfree(struct rk_strpool *p)
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{
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if (p->str) {
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free(p->str);
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p->str = NULL;
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}
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free(p);
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}
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/*
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*
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*/
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struct rk_strpool * ROKEN_LIB_FUNCTION
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rk_strpoolprintf(struct rk_strpool *p, const char *fmt, ...)
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{
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va_list ap;
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char *str, *str2;
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int len;
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if (p == NULL) {
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p = malloc(sizeof(*p));
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if (p == NULL)
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return NULL;
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p->str = NULL;
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p->len = 0;
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}
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va_start(ap, fmt);
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len = vasprintf(&str, fmt, ap);
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va_end(ap);
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if (str == NULL) {
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rk_strpoolfree(p);
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return NULL;
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}
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str2 = realloc(p->str, len + p->len + 1);
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if (str2 == NULL) {
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rk_strpoolfree(p);
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return NULL;
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}
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p->str = str2;
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memcpy(p->str + p->len, str, len + 1);
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p->len += len;
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free(str);
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return p;
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}
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/*
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*
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*/
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char * ROKEN_LIB_FUNCTION
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rk_strpoolcollect(struct rk_strpool *p)
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{
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char *str = p->str;
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p->str = NULL;
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free(p);
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return str;
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}
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