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88 lines
2.6 KiB
88 lines
2.6 KiB
4 months ago
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#ifndef _DEFILE_H
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#define _DEFILE_H
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/*-------------------------------------------------------------------------
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* drawElements Utility Library
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* ----------------------------
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*
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* Copyright 2014 The Android Open Source Project
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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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*//*!
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* \file
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* \brief File abstraction.
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*//*--------------------------------------------------------------------*/
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#include "deDefs.h"
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DE_BEGIN_EXTERN_C
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/* File types. */
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typedef struct deFile_s deFile;
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typedef enum deFileMode_e
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{
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DE_FILEMODE_READ = (1<<0), /*!< Read access to file. */
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DE_FILEMODE_WRITE = (1<<2), /*!< Write access to file. */
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DE_FILEMODE_CREATE = (1<<3), /*!< Create file if it doesn't exist. Requires DE_FILEMODE_WRITE. */
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DE_FILEMODE_OPEN = (1<<4), /*!< Open file if it exists. */
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DE_FILEMODE_TRUNCATE = (1<<5) /*!< Truncate content of file. Requires DE_FILEMODE_OPEN. */
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} deFileMode;
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typedef enum deFileFlag_e
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{
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DE_FILE_NONBLOCKING = (1<<0), /*!< Set to non-blocking mode. Not supported on Win32! */
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DE_FILE_CLOSE_ON_EXEC = (1<<1)
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} deFileFlag;
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typedef enum deFileResult_e
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{
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DE_FILERESULT_SUCCESS = 0,
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DE_FILERESULT_END_OF_FILE = 1,
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DE_FILERESULT_WOULD_BLOCK = 2,
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DE_FILERESULT_ERROR = 3,
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DE_FILERESULT_LAST
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} deFileResult;
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typedef enum deFilePosition_e
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{
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DE_FILEPOSITION_BEGIN = 0,
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DE_FILEPOSITION_END = 1,
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DE_FILEPOSITION_CURRENT = 2,
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DE_FILEPOSITION_LAST
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} deFilePosition;
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/* File API. */
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deBool deFileExists (const char* filename);
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deBool deDeleteFile (const char* filename);
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deFile* deFile_create (const char* filename, deUint32 mode);
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deFile* deFile_createFromHandle (deUintptr handle);
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void deFile_destroy (deFile* file);
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deBool deFile_setFlags (deFile* file, deUint32 flags);
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deInt64 deFile_getPosition (const deFile* file);
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deBool deFile_seek (deFile* file, deFilePosition base, deInt64 offset);
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deInt64 deFile_getSize (const deFile* file);
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deFileResult deFile_read (deFile* file, void* buf, deInt64 bufSize, deInt64* numRead);
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deFileResult deFile_write (deFile* file, const void* buf, deInt64 bufSize, deInt64* numWritten);
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DE_END_EXTERN_C
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#endif /* _DEFILE_H */
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