SDK Development / mbed-src

mbed SDK library sources

Fork of mbed-src by mbed official

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

common/Stream.cpp@89:9655231f5786, 2014-02-11 (annotated)

Committer:
mbed_official
Date:
Tue Feb 11 15:00:06 2014 +0000
Revision:
89:9655231f5786
Parent:
13:0645d8841f51 
Synchronized with git revision 17499c34d273f02497e0706d3abc516b12f3fc62



Full URL: https://github.com/mbedmicro/mbed/commit/17499c34d273f02497e0706d3abc516b12f3fc62/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 13:0645d8841f51 1 /* mbed Microcontroller Library
bogdanm 13:0645d8841f51 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 13:0645d8841f51 3 *
bogdanm 13:0645d8841f51 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 13:0645d8841f51 5 * you may not use this file except in compliance with the License.
bogdanm 13:0645d8841f51 6 * You may obtain a copy of the License at
bogdanm 13:0645d8841f51 7 *
bogdanm 13:0645d8841f51 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 13:0645d8841f51 9 *
bogdanm 13:0645d8841f51 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 13:0645d8841f51 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 13:0645d8841f51 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 13:0645d8841f51 13 * See the License for the specific language governing permissions and
bogdanm 13:0645d8841f51 14 * limitations under the License.
bogdanm 13:0645d8841f51 15 */
bogdanm 13:0645d8841f51 16 #include "Stream.h"
bogdanm 13:0645d8841f51 17
bogdanm 13:0645d8841f51 18 #include <cstdarg>
bogdanm 13:0645d8841f51 19
bogdanm 13:0645d8841f51 20 namespace mbed {
bogdanm 13:0645d8841f51 21
bogdanm 13:0645d8841f51 22 Stream::Stream(const char *name) : FileLike(name) {
bogdanm 13:0645d8841f51 23 /* open ourselves */
bogdanm 13:0645d8841f51 24 char buf[12]; /* :0x12345678 + null byte */
bogdanm 13:0645d8841f51 25 std::sprintf(buf, ":%p", this);
bogdanm 13:0645d8841f51 26 _file = std::fopen(buf, "w+");
bogdanm 13:0645d8841f51 27 setbuf(_file, NULL);
bogdanm 13:0645d8841f51 28 }
bogdanm 13:0645d8841f51 29
bogdanm 13:0645d8841f51 30 Stream::~Stream() {
bogdanm 13:0645d8841f51 31 fclose(_file);
bogdanm 13:0645d8841f51 32 }
bogdanm 13:0645d8841f51 33
bogdanm 13:0645d8841f51 34 int Stream::putc(int c) {
bogdanm 13:0645d8841f51 35 fflush(_file);
bogdanm 13:0645d8841f51 36 return std::fputc(c, _file);
bogdanm 13:0645d8841f51 37 }
bogdanm 13:0645d8841f51 38 int Stream::puts(const char *s) {
bogdanm 13:0645d8841f51 39 fflush(_file);
bogdanm 13:0645d8841f51 40 return std::fputs(s, _file);
bogdanm 13:0645d8841f51 41 }
bogdanm 13:0645d8841f51 42 int Stream::getc() {
bogdanm 13:0645d8841f51 43 fflush(_file);
bogdanm 13:0645d8841f51 44 return std::fgetc(_file);
bogdanm 13:0645d8841f51 45 }
bogdanm 13:0645d8841f51 46 char* Stream::gets(char *s, int size) {
bogdanm 13:0645d8841f51 47 fflush(_file);
bogdanm 13:0645d8841f51 48 return std::fgets(s,size,_file);
bogdanm 13:0645d8841f51 49 }
bogdanm 13:0645d8841f51 50
bogdanm 13:0645d8841f51 51 int Stream::close() {
bogdanm 13:0645d8841f51 52 return 0;
bogdanm 13:0645d8841f51 53 }
bogdanm 13:0645d8841f51 54
bogdanm 13:0645d8841f51 55 ssize_t Stream::write(const void* buffer, size_t length) {
bogdanm 13:0645d8841f51 56 const char* ptr = (const char*)buffer;
bogdanm 13:0645d8841f51 57 const char* end = ptr + length;
bogdanm 13:0645d8841f51 58 while (ptr != end) {
bogdanm 13:0645d8841f51 59 if (_putc(*ptr++) == EOF) {
bogdanm 13:0645d8841f51 60 break;
bogdanm 13:0645d8841f51 61 }
bogdanm 13:0645d8841f51 62 }
bogdanm 13:0645d8841f51 63 return ptr - (const char*)buffer;
bogdanm 13:0645d8841f51 64 }
bogdanm 13:0645d8841f51 65
bogdanm 13:0645d8841f51 66 ssize_t Stream::read(void* buffer, size_t length) {
bogdanm 13:0645d8841f51 67 char* ptr = (char*)buffer;
bogdanm 13:0645d8841f51 68 char* end = ptr + length;
bogdanm 13:0645d8841f51 69 while (ptr != end) {
bogdanm 13:0645d8841f51 70 int c = _getc();
bogdanm 13:0645d8841f51 71 if (c==EOF) break;
bogdanm 13:0645d8841f51 72 *ptr++ = c;
bogdanm 13:0645d8841f51 73 }
bogdanm 13:0645d8841f51 74 return ptr - (const char*)buffer;
bogdanm 13:0645d8841f51 75 }
bogdanm 13:0645d8841f51 76
bogdanm 13:0645d8841f51 77 off_t Stream::lseek(off_t offset, int whence) {
bogdanm 13:0645d8841f51 78 return 0;
bogdanm 13:0645d8841f51 79 }
bogdanm 13:0645d8841f51 80
bogdanm 13:0645d8841f51 81 int Stream::isatty() {
bogdanm 13:0645d8841f51 82 return 0;
bogdanm 13:0645d8841f51 83 }
bogdanm 13:0645d8841f51 84
bogdanm 13:0645d8841f51 85 int Stream::fsync() {
bogdanm 13:0645d8841f51 86 return 0;
bogdanm 13:0645d8841f51 87 }
bogdanm 13:0645d8841f51 88
bogdanm 13:0645d8841f51 89 off_t Stream::flen() {
bogdanm 13:0645d8841f51 90 return 0;
bogdanm 13:0645d8841f51 91 }
bogdanm 13:0645d8841f51 92
bogdanm 13:0645d8841f51 93 int Stream::printf(const char* format, ...) {
bogdanm 13:0645d8841f51 94 std::va_list arg;
bogdanm 13:0645d8841f51 95 va_start(arg, format);
bogdanm 13:0645d8841f51 96 fflush(_file);
bogdanm 13:0645d8841f51 97 int r = vfprintf(_file, format, arg);
bogdanm 13:0645d8841f51 98 va_end(arg);
bogdanm 13:0645d8841f51 99 return r;
bogdanm 13:0645d8841f51 100 }
bogdanm 13:0645d8841f51 101
bogdanm 13:0645d8841f51 102 int Stream::scanf(const char* format, ...) {
bogdanm 13:0645d8841f51 103 std::va_list arg;
bogdanm 13:0645d8841f51 104 va_start(arg, format);
bogdanm 13:0645d8841f51 105 fflush(_file);
bogdanm 13:0645d8841f51 106 int r = vfscanf(_file, format, arg);
bogdanm 13:0645d8841f51 107 va_end(arg);
bogdanm 13:0645d8841f51 108 return r;
bogdanm 13:0645d8841f51 109 }
bogdanm 13:0645d8841f51 110
bogdanm 13:0645d8841f51 111 } // namespace mbed