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/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. 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 end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#include "apr.h"
#include "apr_strings.h"
#include "apr_private.h"
#include "apr_lib.h"
#ifdef HAVE_STDDEF_H
#include <stddef.h> /* NULL */
#endif
APR_DECLARE(char *) apr_pstrdup(apr_pool_t *a, const char *s)
{
char *res;
size_t len;
if (s == NULL) {
return NULL;
}
len = strlen(s) + 1;
res = apr_palloc(a, len);
memcpy(res, s, len);
return res;
}
APR_DECLARE(char *) apr_pstrndup(apr_pool_t *a, const char *s, apr_size_t n)
{
char *res;
if (s == NULL) {
return NULL;
}
res = apr_palloc(a, n + 1);
memcpy(res, s, n);
res[n] = '\0';
return res;
}
APR_DECLARE_NONSTD(char *) apr_pstrcat(apr_pool_t *a, ...)
{
char *cp, *argp, *res;
/* Pass one --- find length of required string */
apr_size_t len = 0;
va_list adummy;
va_start(adummy, a);
while ((cp = va_arg(adummy, char *)) != NULL) {
len += strlen(cp);
}
va_end(adummy);
/* Allocate the required string */
res = (char *) apr_palloc(a, len + 1);
cp = res;
*cp = '\0';
/* Pass two --- copy the argument strings into the result space */
va_start(adummy, a);
while ((argp = va_arg(adummy, char *)) != NULL) {
strcpy(cp, argp);
cp += strlen(argp);
}
va_end(adummy);
/* Return the result string */
return res;
}
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