Paul Paterson / mbed-dev

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Fork of mbed-dev by mbed official

drivers/FilePath.cpp@150:cd63f849362a, 2016-11-03 (annotated)

Committer:
ptpaterson
Date:
Thu Nov 03 16:21:53 2016 +0000
Revision:
150:cd63f849362a
Parent:
149:156823d33999 
targets LPC11Cxx, LPC15xx:  can_api can_filter function properly returns 0 if handle argument is out of bounds (handle > 32).

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 149:156823d33999 1 /* mbed Microcontroller Library
<> 149:156823d33999 2 * Copyright (c) 2006-2013 ARM Limited
<> 149:156823d33999 3 *
<> 149:156823d33999 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 149:156823d33999 5 * you may not use this file except in compliance with the License.
<> 149:156823d33999 6 * You may obtain a copy of the License at
<> 149:156823d33999 7 *
<> 149:156823d33999 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 149:156823d33999 9 *
<> 149:156823d33999 10 * Unless required by applicable law or agreed to in writing, software
<> 149:156823d33999 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 149:156823d33999 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 149:156823d33999 13 * See the License for the specific language governing permissions and
<> 149:156823d33999 14 * limitations under the License.
<> 149:156823d33999 15 */
<> 149:156823d33999 16 #include "drivers/FilePath.h"
<> 149:156823d33999 17
<> 149:156823d33999 18 namespace mbed {
<> 149:156823d33999 19
<> 149:156823d33999 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
<> 149:156823d33999 21 if ((file_path[0] != '/') || (file_path[1] == 0)) return;
<> 149:156823d33999 22
<> 149:156823d33999 23 const char* file_system = &file_path[1];
<> 149:156823d33999 24 file_name = file_system;
<> 149:156823d33999 25 int len = 0;
<> 149:156823d33999 26 while (true) {
<> 149:156823d33999 27 char c = *file_name;
<> 149:156823d33999 28 if (c == '/') { // end of object name
<> 149:156823d33999 29 file_name++; // point to one char after the '/'
<> 149:156823d33999 30 break;
<> 149:156823d33999 31 }
<> 149:156823d33999 32 if (c == 0) { // end of object name, with no filename
<> 149:156823d33999 33 break;
<> 149:156823d33999 34 }
<> 149:156823d33999 35 len++;
<> 149:156823d33999 36 file_name++;
<> 149:156823d33999 37 }
<> 149:156823d33999 38
<> 149:156823d33999 39 fb = FileBase::lookup(file_system, len);
<> 149:156823d33999 40 }
<> 149:156823d33999 41
<> 149:156823d33999 42 const char* FilePath::fileName(void) {
<> 149:156823d33999 43 return file_name;
<> 149:156823d33999 44 }
<> 149:156823d33999 45
<> 149:156823d33999 46 bool FilePath::isFileSystem(void) {
<> 149:156823d33999 47 if (NULL == fb)
<> 149:156823d33999 48 return false;
<> 149:156823d33999 49 return (fb->getPathType() == FileSystemPathType);
<> 149:156823d33999 50 }
<> 149:156823d33999 51
<> 149:156823d33999 52 FileSystemLike* FilePath::fileSystem(void) {
<> 149:156823d33999 53 if (isFileSystem()) {
<> 149:156823d33999 54 return (FileSystemLike*)fb;
<> 149:156823d33999 55 }
<> 149:156823d33999 56 return NULL;
<> 149:156823d33999 57 }
<> 149:156823d33999 58
<> 149:156823d33999 59 bool FilePath::isFile(void) {
<> 149:156823d33999 60 if (NULL == fb)
<> 149:156823d33999 61 return false;
<> 149:156823d33999 62 return (fb->getPathType() == FilePathType);
<> 149:156823d33999 63 }
<> 149:156823d33999 64
<> 149:156823d33999 65 FileLike* FilePath::file(void) {
<> 149:156823d33999 66 if (isFile()) {
<> 149:156823d33999 67 return (FileLike*)fb;
<> 149:156823d33999 68 }
<> 149:156823d33999 69 return NULL;
<> 149:156823d33999 70 }
<> 149:156823d33999 71
<> 149:156823d33999 72 bool FilePath::exists(void) {
<> 149:156823d33999 73 return fb != NULL;
<> 149:156823d33999 74 }
<> 149:156823d33999 75
<> 149:156823d33999 76 } // namespace mbed