157 lines
2.9 KiB
C
157 lines
2.9 KiB
C
/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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*/
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/**
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* @file fs_syscalls.c
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* @brief support newlib file system
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* @version 1.0
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* @author AIIT XUOS Lab
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* @date 2020-09-23
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*/
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/*************************************************
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File name: fs_syscalls.c
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Description: support newlib file system
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Others: take RT-Thread v4.0.2/components/libc/compilers/newlib/syscalls.c for references
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https://github.com/RT-Thread/rt-thread/tree/v4.0.2
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History:
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1. Date: 2020-09-23
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Author: AIIT XUOS Lab
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Modification: Use file system functions
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*************************************************/
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#include <reent.h>
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#include <sys/errno.h>
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#include <stdio.h>
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#include <xiuos.h>
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int _fstat_r(struct _reent *ptr, int fd, struct stat *pstat)
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{
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ptr->_errno = ENOTSUP;
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return -1;
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}
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int _link_r(struct _reent *ptr, const char *old, const char *new)
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{
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ptr->_errno = ENOTSUP;
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return -1;
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}
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void * _sbrk_r(struct _reent *ptr, ptrdiff_t incr)
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{
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return NONE;
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}
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int _wait_r(struct _reent *ptr, int *status)
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{
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ptr->_errno = ENOTSUP;
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return -1;
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}
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#ifdef FS_VFS
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#include <iot-vfs_posix.h>
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int _close_r(struct _reent *ptr, int fd)
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{
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return close(fd);
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}
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int _isatty_r(struct _reent *ptr, int fd)
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{
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if (fd >=0 && fd < 3)
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return 1;
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ptr->_errno = ENOTSUP;
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return -1;
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}
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_off_t _lseek_r(struct _reent *ptr, int fd, _off_t pos, int whence)
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{
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return lseek(fd, pos, whence);
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}
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int _open_r(struct _reent *ptr, const char *file, int flags, int mode)
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{
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return open(file, flags, mode);
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}
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_ssize_t _read_r(struct _reent *ptr, int fd, void *buf, size_t nbytes)
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{
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return read(fd, buf, nbytes);
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}
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int _stat_r(struct _reent *ptr, const char *file, struct stat *pstat)
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{
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return stat(file, pstat);
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}
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int _unlink_r(struct _reent *ptr, const char *file)
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{
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return unlink(file);
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}
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_ssize_t _write_r(struct _reent *ptr, int fd, const void *buf, size_t nbytes)
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{
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return write(fd, buf, nbytes);
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}
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#else /* FS_VFS */
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int _close_r(struct _reent *ptr, int fd)
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{
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ptr->_errno = ENOTSUP;
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return -1;
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}
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int _isatty_r(struct _reent *ptr, int fd)
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{
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ptr->_errno = ENOTSUP;
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return -1;
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}
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_off_t _lseek_r(struct _reent *ptr, int fd, _off_t pos, int whence)
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{
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ptr->_errno = ENOTSUP;
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return -1;
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}
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int _open_r(struct _reent *ptr, const char *file, int flags, int mode)
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{
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ptr->_errno = ENOTSUP;
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return -1;
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}
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_ssize_t _read_r(struct _reent *ptr, int fd, void *buf, size_t nbytes)
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{
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ptr->_errno = ENOTSUP;
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return -1;
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}
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int _stat_r(struct _reent *ptr, const char *file, struct stat *pstat)
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{
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ptr->_errno = ENOTSUP;
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return -1;
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}
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int _unlink_r(struct _reent *ptr, const char *file)
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{
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ptr->_errno = ENOTSUP;
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return -1;
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}
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_ssize_t _write_r(struct _reent *ptr, int fd, const void *buf, size_t nbytes)
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{
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ptr->_errno = ENOTSUP;
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return -1;
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}
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#endif /* FS_VFS */
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