86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
/*
|
|
* Copyright 2019 Yuta Hirokawa (University of Tsukuba, Japan)
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
|
|
#include "./cbsl_internal.h"
|
|
|
|
cbsl_errors create_streaming_buffers(cbsl_ctx* ctx)
|
|
{
|
|
ZSTD_CCtx* zstd_cctx = NULL;
|
|
ZSTD_DCtx* zstd_dctx = NULL;
|
|
uint64_t in_buffer_size;
|
|
uint64_t out_buffer_size;
|
|
void* in_buffer = NULL;
|
|
void* out_buffer = NULL;
|
|
void* line_buffer = NULL;
|
|
|
|
switch (ctx->mode)
|
|
{
|
|
case cbsl_load_mode:
|
|
zstd_dctx = ZSTD_createDCtx();
|
|
if (zstd_dctx == NULL) return cbsl_error;
|
|
in_buffer_size = ZSTD_DStreamInSize();
|
|
out_buffer_size = ZSTD_DStreamOutSize();
|
|
break;
|
|
case cbsl_store_mode:
|
|
zstd_cctx = ZSTD_createCCtx();
|
|
if (zstd_cctx == NULL) return cbsl_error;
|
|
in_buffer_size = ZSTD_CStreamInSize();
|
|
out_buffer_size = ZSTD_CStreamOutSize();
|
|
break;
|
|
default:
|
|
return cbsl_error;
|
|
}
|
|
|
|
in_buffer = (byte_t*)(malloc(in_buffer_size));
|
|
out_buffer = (byte_t*)(malloc(out_buffer_size));
|
|
line_buffer = (byte_t*)(malloc(CBSL_LINEBUF_SIZE));
|
|
|
|
if (in_buffer == NULL || out_buffer == NULL || line_buffer == NULL)
|
|
{
|
|
CBSL_SAFE_FREE_ZSTD_CCTX(zstd_cctx);
|
|
CBSL_SAFE_FREE_ZSTD_DCTX(zstd_dctx);
|
|
CBSL_SAFE_FREE(in_buffer);
|
|
CBSL_SAFE_FREE(out_buffer);
|
|
CBSL_SAFE_FREE(line_buffer);
|
|
return cbsl_error;
|
|
}
|
|
|
|
ctx->zstd_cctx = zstd_cctx;
|
|
ctx->zstd_dctx = zstd_dctx;
|
|
ctx->in_buffer = in_buffer;
|
|
ctx->out_buffer = out_buffer;
|
|
ctx->line_buffer = line_buffer;
|
|
|
|
ctx->in_buffer_size = in_buffer_size;
|
|
ctx->out_buffer_size = out_buffer_size;
|
|
|
|
ctx->in_buffer_pos = 0;
|
|
ctx->out_buffer_pos = 0;
|
|
|
|
ctx->in_buffer_used = 0;
|
|
ctx->out_buffer_used = 0;
|
|
ctx->line_buffer_used = 0;
|
|
ctx->line_buffer_read_from_zst = 0;
|
|
|
|
ctx->zstd_buf_end = 0;
|
|
ctx->zstd_file_end = 0;
|
|
|
|
return cbsl_success;
|
|
}
|