51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TD_UTIL_FILE_H
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#define _TD_UTIL_FILE_H
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#include "os.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// init taos file module
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int32_t tfInit();
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// clean up taos file module
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void tfCleanup();
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// the same syntax as UNIX standard open/close/read/write
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// but FD is int64_t and will never be reused
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int64_t tfOpenRead(const char *pathname);
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int64_t tfOpenReadWrite(const char *pathname);
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int64_t tfOpenCreateWrite(const char *pathname);
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int64_t tfOpenCreateWriteAppend(const char *pathname);
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int64_t tfClose(int64_t tfd);
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int64_t tfWrite(int64_t tfd, void *buf, int64_t count);
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int64_t tfRead(int64_t tfd, void *buf, int64_t count);
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int32_t tfFsync(int64_t tfd);
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bool tfValid(int64_t tfd);
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int64_t tfLseek(int64_t tfd, int64_t offset, int32_t whence);
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int32_t tfFtruncate(int64_t tfd, int64_t length);
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_UTIL_FILE_H*/
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