Parser improvements, streams adapter driver header.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@15128 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
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/*
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ChibiOS - Copyright (C) 2006,2007,2008,2009,2010,2011,2012,2013,2014,
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2015,2016,2017,2018,2019,2020,2021 Giovanni Di Sirio.
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This file is part of ChibiOS.
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ChibiOS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation version 3 of the License.
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ChibiOS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU 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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/**
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* @file vfs/drivers/drvstreams.h
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* @brief HAL streams VFS driver header.
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*
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* @addtogroup VFS_DRV_STREAMS
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* @details Exposes HAL streams as VFS files.
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* @{
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*/
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#ifndef DRVSTREAMS_H
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#define DRVSTREAMS_H
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#include "vfs.h"
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/*===========================================================================*/
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/* Module constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module pre-compile time settings. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module data structures and types. */
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/*===========================================================================*/
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/**
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* @brief Type of a structure representing a VFS driver.
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*/
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typedef struct vfs_drv_streams vfs_drv_streams_t;
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/**
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* @brief @p vfs_node_t specific methods.
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*/
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#define __vfs_drv_streams_methods \
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__vfs_driver_methods
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/**
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* @brief @p vfs_node_t specific data.
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*/
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#define __vfs_drv_streams_data \
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__vfs_driver_data
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/**
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* @brief @p vfs_node_t virtual methods table.
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*/
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struct vfs_drv_stream_vmt {
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__vfs_drv_streams_methods
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};
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/**
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* @brief TStructure representing a VFS driver.
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*/
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struct vfs_drv_streams {
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/**
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* @brief Virtual Methods Table.
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*/
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const struct vfs_drv_streams_vmt *vmt;
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__vfs_drv_streams_data
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};
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/*===========================================================================*/
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/* Module macros. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __cplusplus
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}
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#endif
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/*===========================================================================*/
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/* Module inline functions. */
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/*===========================================================================*/
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#endif /* DRVSTREAMS_H */
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/** @} */
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@ -73,6 +73,14 @@
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __cplusplus
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}
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#endif
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/*===========================================================================*/
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/* Module inline functions. */
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/*===========================================================================*/
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@ -99,6 +99,10 @@ extern "C" {
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}
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#endif
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/*===========================================================================*/
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/* Module inline functions. */
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/*===========================================================================*/
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#endif /* VFSDRIVERS_H */
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/** @} */
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@ -76,6 +76,10 @@ extern "C" {
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}
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#endif
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/*===========================================================================*/
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/* Module inline functions. */
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/*===========================================================================*/
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#endif /* VFSERRORS_H */
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/** @} */
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@ -222,6 +222,10 @@ extern "C" {
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}
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#endif
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/*===========================================================================*/
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/* Module inline functions. */
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/*===========================================================================*/
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#endif /* VFSNODES_H */
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/** @} */
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@ -61,6 +61,10 @@ extern "C" {
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}
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#endif
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/*===========================================================================*/
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/* Module inline functions. */
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/*===========================================================================*/
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#endif /* VFSPARSE_H */
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/** @} */
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@ -130,6 +130,10 @@ extern "C" {
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}
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#endif
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/*===========================================================================*/
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/* Module inline functions. */
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/*===========================================================================*/
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#endif /* VFSSYSTEM_H */
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/** @} */
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@ -53,6 +53,11 @@
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/* Module exported functions. */
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/*===========================================================================*/
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/**
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* @brief Parses a path separator.
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*
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* @param[in, out] pathp pointer to the path under parsing
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*/
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msg_t vfs_parse_separator(const char **pathp) {
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msg_t err;
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const char *p = *pathp;
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return err;
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}
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/**
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* @brief Parses a filename element using the restricted Posix set.
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* @note Consumes the next path separator, if any.
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*
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* @param[in, out] pathp pointer to the path under parsing
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* @param[out] fname extracted file name
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*/
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msg_t vfs_parse_filename(const char **pathp, char *fname) {
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msg_t err;
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msg_t err = VFS_RET_INVALID_PATH;
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size_t n;
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const char *p = *pathp;
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n = 0U;
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while (true) {
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char c = *p++;
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if ((c == '\0') || (c == '/')) {
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/* Valid characters for path names.*/
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if (!isalnum(c) && (c != '_') && (c != '-') && (c != '.')) {
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break;
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}
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if (c == '/') {
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*pathp = p + 1;
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*fname = '\0';
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err = VFS_RET_SUCCESS;
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break;
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}
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if (c == '\0') {
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*pathp = p;
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*fname = '\0';
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err = VFS_RET_SUCCESS;
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}
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if (n > VFS_CFG_MAX_NAMELEN) {
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err = VFS_RET_INVALID_PATH;
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break;
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}
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