100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
/*
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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/src/chparser.c
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* @brief VFS parser utilities code.
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*
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* @addtogroup VFS_PARSE
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* @{
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*/
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#include <string.h>
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#include "vfs.h"
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/*===========================================================================*/
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/* Module local definitions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local functions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module exported functions. */
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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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if (*p++ != '/') {
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err = VFS_RET_INVALID_PATH;
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}
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else {
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err = VFS_RET_SUCCESS;
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*pathp = p;
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}
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return err;
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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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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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*pathp = p;
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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 (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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*fname++ = c;
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n++;
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}
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return err;
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}
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/** @} */
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