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https://github.com/libretro/RetroArch
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92 lines
3.6 KiB
C
92 lines
3.6 KiB
C
/*
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Copyright (c) 2012, Broadcom Europe Ltd
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All rights reserved.
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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 are met:
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* 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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* 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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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include "containers/containers.h"
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#include "containers/core/containers_common.h"
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#include "containers/core/containers_io.h"
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#include "containers/core/containers_uri.h"
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VC_CONTAINER_STATUS_T vc_container_io_null_open( VC_CONTAINER_IO_T *, const char *,
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VC_CONTAINER_IO_MODE_T );
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/*****************************************************************************/
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static VC_CONTAINER_STATUS_T io_null_close( VC_CONTAINER_IO_T *p_ctx )
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{
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VC_CONTAINER_PARAM_UNUSED(p_ctx);
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return VC_CONTAINER_SUCCESS;
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}
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/*****************************************************************************/
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static size_t io_null_read(VC_CONTAINER_IO_T *p_ctx, void *buffer, size_t size)
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{
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VC_CONTAINER_PARAM_UNUSED(p_ctx);
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VC_CONTAINER_PARAM_UNUSED(buffer);
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VC_CONTAINER_PARAM_UNUSED(size);
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return size;
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}
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/*****************************************************************************/
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static size_t io_null_write(VC_CONTAINER_IO_T *p_ctx, const void *buffer, size_t size)
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{
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VC_CONTAINER_PARAM_UNUSED(p_ctx);
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VC_CONTAINER_PARAM_UNUSED(buffer);
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VC_CONTAINER_PARAM_UNUSED(size);
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return size;
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}
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/*****************************************************************************/
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static VC_CONTAINER_STATUS_T io_null_seek(VC_CONTAINER_IO_T *p_ctx, int64_t offset)
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{
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VC_CONTAINER_PARAM_UNUSED(p_ctx);
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VC_CONTAINER_PARAM_UNUSED(offset);
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return VC_CONTAINER_SUCCESS;
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}
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/*****************************************************************************/
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VC_CONTAINER_STATUS_T vc_container_io_null_open( VC_CONTAINER_IO_T *p_ctx,
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const char *unused, VC_CONTAINER_IO_MODE_T mode )
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{
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VC_CONTAINER_PARAM_UNUSED(unused);
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VC_CONTAINER_PARAM_UNUSED(mode);
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/* Check the URI */
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if (!vc_uri_scheme(p_ctx->uri_parts) ||
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(strcasecmp(vc_uri_scheme(p_ctx->uri_parts), "null") &&
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strcasecmp(vc_uri_scheme(p_ctx->uri_parts), "null")))
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return VC_CONTAINER_ERROR_FORMAT_NOT_SUPPORTED;
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p_ctx->pf_close = io_null_close;
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p_ctx->pf_read = io_null_read;
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p_ctx->pf_write = io_null_write;
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p_ctx->pf_seek = io_null_seek;
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return VC_CONTAINER_SUCCESS;
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}
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