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68 lines
1.3 KiB
C
68 lines
1.3 KiB
C
// SPDX-License-Identifier: LGPL-3.0-or-later
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/**
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* \file stm.c
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*
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* Common `StmOps`implementation over `Fildes`.
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*
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* \copyright The DoubleFourteen Code Forge (C) All Rights Reserved
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* \author Lorenzo Cogotti
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*/
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#include "stm.h"
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#include "sys/fs.h"
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#define STM_TOFILDES(fd) ((Fildes) ((Sintptr) (fd)))
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static Sint64 Stm_Fread(void *streamp, void *buf, size_t nbytes)
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{
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return Sys_Fread(STM_TOFILDES(streamp), buf, nbytes);
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}
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static Sint64 Stm_Fwrite(void *streamp, const void *buf, size_t nbytes)
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{
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return Sys_Fwrite(STM_TOFILDES(streamp), buf, nbytes);
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}
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static Sint64 Stm_Fseek(void *streamp, Sint64 off, SeekMode whence)
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{
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return Sys_Fseek(STM_TOFILDES(streamp), off, whence);
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}
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static Sint64 Stm_Ftell(void *streamp)
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{
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return Sys_Ftell(STM_TOFILDES(streamp));
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}
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static Judgement Stm_Fsync(void *streamp)
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{
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return Sys_Fsync(STM_TOFILDES(streamp), /*fullSync=*/TRUE);
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}
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static void Stm_Fclose(void *streamp)
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{
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Sys_Fclose(STM_TOFILDES(streamp));
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}
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static const StmOps fildes_ops = {
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Stm_Fread,
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Stm_Fwrite,
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Stm_Fseek,
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Stm_Ftell,
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Stm_Fsync,
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Stm_Fclose
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};
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static const StmOps nc_fildes_ops = {
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Stm_Fread,
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Stm_Fwrite,
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Stm_Fseek,
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Stm_Ftell,
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Stm_Fsync,
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NULL
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};
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const StmOps *const Stm_FildesOps = &fildes_ops;
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const StmOps *const Stm_NcFildesOps = &nc_fildes_ops;
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