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/*
This file is part of libmicrohttpd
Copyright (C) 2007-2018 Daniel Pittman and Christian Grothoff
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file lib/response_from_buffer.c
* @brief implementation of MHD_response_from_buffer()
* @author Christian Grothoff
*/
#include "internal.h"
/**
* Create a response object. The response object can be extended with
* header information and then be used any number of times.
*
* @param sc status code to use for the response;
* #MHD_HTTP_NO_CONTENT is only valid if @a size is 0;
* @param size size of the data portion of the response
* @param buffer size bytes containing the response's data portion
* @param mode flags for buffer management
* @return NULL on error (i.e. invalid arguments, out of memory)
* @ingroup response
*/
struct MHD_Response *
MHD_response_from_buffer (enum MHD_HTTP_StatusCode sc,
size_t size,
void *buffer,
enum MHD_ResponseMemoryMode mode)
{
struct MHD_Response *response;
void *tmp;
mhd_assert ( (NULL != buffer) ||
(0 == size) );
if (NULL ==
(response = MHD_calloc_ (1,
sizeof (struct MHD_Response))))
return NULL;
response->fd = -1;
if (! MHD_mutex_init_ (&response->mutex))
{
free (response);
return NULL;
}
if ( (MHD_RESPMEM_MUST_COPY == mode) &&
(size > 0) )
{
if (NULL == (tmp = malloc (size)))
{
MHD_mutex_destroy_chk_ (&response->mutex);
free (response);
return NULL;
}
memcpy (tmp,
buffer,
size);
buffer = tmp;
}
if (MHD_RESPMEM_PERSISTENT != mode)
{
response->crfc = &free;
response->crc_cls = buffer;
}
response->status_code = sc;
response->reference_count = 1;
response->total_size = size;
response->data = buffer;
response->data_size = size;
return response;
}
/* end of response_from_buffer.c */
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