56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/*
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* Copyright 2019 Yuta Hirokawa (University of Tsukuba, Japan)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include "./cbsl_internal.h"
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static
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cbsl_errors flush_serialize(cbsl_ctx* ctx)
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{
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if (ctx->in_buffer_used > 0)
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{
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ZSTD_inBuffer input = { ctx->in_buffer, ctx->in_buffer_used, 0 };
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ZSTD_EndDirective mode = (ctx->in_buffer_used < ctx->in_buffer_size) ? ZSTD_e_end : ZSTD_e_continue;
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do
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{
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ZSTD_outBuffer output = { ctx->out_buffer, ctx->out_buffer_size, 0 };
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const size_t remaining = ZSTD_compressStream2(ctx->zstd_cctx, &output, &input, mode);
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CBSL_CHECK_COND_MSG_AND_RETURN(!ZSTD_isError(remaining), ZSTD_getErrorName(remaining), cbsl_error);
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const size_t written = fwrite(ctx->out_buffer, 1, output.pos, ctx->fp);
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CBSL_CHECK_COND_AND_RETURN(written == output.pos, cbsl_error);
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} while (input.pos < input.size);
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ctx->in_buffer_used = 0;
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}
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fflush(ctx->fp);
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return cbsl_success;
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}
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cbsl_errors cbsl_flush(cbsl_ctx* ctx)
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{
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CBSL_CHECK_COND_AND_RETURN(ctx != NULL, cbsl_error);
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if (ctx->mode == cbsl_store_mode)
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{
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return flush_serialize(ctx);
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}
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return cbsl_success;
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}
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