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89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/*
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This file is part of libmicrohttpd
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Copyright (C) 2007-2018 Daniel Pittman and Christian Grothoff
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file lib/response_from_buffer.c
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* @brief implementation of MHD_response_from_buffer()
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* @author Christian Grothoff
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*/
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#include "internal.h"
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/**
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* Create a response object. The response object can be extended with
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* header information and then be used any number of times.
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*
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* @param sc status code to use for the response;
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* #MHD_HTTP_NO_CONTENT is only valid if @a size is 0;
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* @param size size of the data portion of the response
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* @param buffer size bytes containing the response's data portion
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* @param mode flags for buffer management
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* @return NULL on error (i.e. invalid arguments, out of memory)
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* @ingroup response
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*/
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struct MHD_Response *
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MHD_response_from_buffer (enum MHD_HTTP_StatusCode sc,
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size_t size,
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void *buffer,
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enum MHD_ResponseMemoryMode mode)
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{
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struct MHD_Response *response;
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void *tmp;
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mhd_assert ( (NULL != data) ||
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(0 == size) );
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if (NULL ==
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(response = MHD_calloc_ (1,
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sizeof (struct MHD_Response))))
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return NULL;
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response->fd = -1;
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if (! MHD_mutex_init_ (&response->mutex))
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{
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free (response);
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return NULL;
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}
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if ( (MHD_RESPMEM_MUST_COPY == mode) &&
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(size > 0) )
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{
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if (NULL == (tmp = malloc (size)))
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{
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MHD_mutex_destroy_chk_ (&response->mutex);
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free (response);
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return NULL;
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}
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memcpy (tmp,
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data,
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size);
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data = tmp;
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}
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if (MHD_RESPMEM_PERSISTENT != mode)
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{
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response->crfc = &free;
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response->crc_cls = data;
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}
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response->status_code = sc;
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response->reference_count = 1;
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response->total_size = size;
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response->data = data;
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response->data_size = size;
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return response;
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}
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/* end of response_from_buffer.c */
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