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mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

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

cpp/Stream.cpp@0:fd0d7bdfcdc2, 2012-11-20 (annotated)

Committer:
mbed_official
Date:
Tue Nov 20 17:24:08 2012 +0000
Revision:
0:fd0d7bdfcdc2
Child:
2:143cac498751
mbed sources

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:fd0d7bdfcdc2 1 /* mbed Microcontroller Library
mbed_official 0:fd0d7bdfcdc2 2 * Copyright (c) 2006-2012 ARM Limited
mbed_official 0:fd0d7bdfcdc2 3 *
mbed_official 0:fd0d7bdfcdc2 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
mbed_official 0:fd0d7bdfcdc2 5 * of this software and associated documentation files (the "Software"), to deal
mbed_official 0:fd0d7bdfcdc2 6 * in the Software without restriction, including without limitation the rights
mbed_official 0:fd0d7bdfcdc2 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
mbed_official 0:fd0d7bdfcdc2 8 * copies of the Software, and to permit persons to whom the Software is
mbed_official 0:fd0d7bdfcdc2 9 * furnished to do so, subject to the following conditions:
mbed_official 0:fd0d7bdfcdc2 10 *
mbed_official 0:fd0d7bdfcdc2 11 * The above copyright notice and this permission notice shall be included in
mbed_official 0:fd0d7bdfcdc2 12 * all copies or substantial portions of the Software.
mbed_official 0:fd0d7bdfcdc2 13 *
mbed_official 0:fd0d7bdfcdc2 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mbed_official 0:fd0d7bdfcdc2 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mbed_official 0:fd0d7bdfcdc2 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mbed_official 0:fd0d7bdfcdc2 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mbed_official 0:fd0d7bdfcdc2 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mbed_official 0:fd0d7bdfcdc2 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
mbed_official 0:fd0d7bdfcdc2 20 * SOFTWARE.
mbed_official 0:fd0d7bdfcdc2 21 */
mbed_official 0:fd0d7bdfcdc2 22 #include "Stream.h"
mbed_official 0:fd0d7bdfcdc2 23
mbed_official 0:fd0d7bdfcdc2 24 #include <cstdarg>
mbed_official 0:fd0d7bdfcdc2 25
mbed_official 0:fd0d7bdfcdc2 26 namespace mbed {
mbed_official 0:fd0d7bdfcdc2 27
mbed_official 0:fd0d7bdfcdc2 28 Stream::Stream(void) {
mbed_official 0:fd0d7bdfcdc2 29 /* open ourselves */
mbed_official 0:fd0d7bdfcdc2 30 char buf[12]; /* :0x12345678 + null byte */
mbed_official 0:fd0d7bdfcdc2 31 std::sprintf(buf, ":%p", this);
mbed_official 0:fd0d7bdfcdc2 32 _file = std::fopen(buf, "w+");
mbed_official 0:fd0d7bdfcdc2 33 setbuf(_file, NULL);
mbed_official 0:fd0d7bdfcdc2 34 }
mbed_official 0:fd0d7bdfcdc2 35
mbed_official 0:fd0d7bdfcdc2 36 Stream::~Stream() {
mbed_official 0:fd0d7bdfcdc2 37 fclose(_file);
mbed_official 0:fd0d7bdfcdc2 38 }
mbed_official 0:fd0d7bdfcdc2 39
mbed_official 0:fd0d7bdfcdc2 40 int Stream::putc(int c) {
mbed_official 0:fd0d7bdfcdc2 41 fflush(_file);
mbed_official 0:fd0d7bdfcdc2 42 return std::fputc(c, _file);
mbed_official 0:fd0d7bdfcdc2 43 }
mbed_official 0:fd0d7bdfcdc2 44 int Stream::puts(const char *s) {
mbed_official 0:fd0d7bdfcdc2 45 fflush(_file);
mbed_official 0:fd0d7bdfcdc2 46 return std::fputs(s, _file);
mbed_official 0:fd0d7bdfcdc2 47 }
mbed_official 0:fd0d7bdfcdc2 48 int Stream::getc() {
mbed_official 0:fd0d7bdfcdc2 49 fflush(_file);
mbed_official 0:fd0d7bdfcdc2 50 return std::fgetc(_file);
mbed_official 0:fd0d7bdfcdc2 51 }
mbed_official 0:fd0d7bdfcdc2 52 char* Stream::gets(char *s, int size) {
mbed_official 0:fd0d7bdfcdc2 53 fflush(_file);
mbed_official 0:fd0d7bdfcdc2 54 return std::fgets(s,size,_file);
mbed_official 0:fd0d7bdfcdc2 55 }
mbed_official 0:fd0d7bdfcdc2 56
mbed_official 0:fd0d7bdfcdc2 57 int Stream::close() {
mbed_official 0:fd0d7bdfcdc2 58 return 0;
mbed_official 0:fd0d7bdfcdc2 59 }
mbed_official 0:fd0d7bdfcdc2 60
mbed_official 0:fd0d7bdfcdc2 61 ssize_t Stream::write(const void* buffer, size_t length) {
mbed_official 0:fd0d7bdfcdc2 62 const char* ptr = (const char*)buffer;
mbed_official 0:fd0d7bdfcdc2 63 const char* end = ptr + length;
mbed_official 0:fd0d7bdfcdc2 64 while (ptr != end) {
mbed_official 0:fd0d7bdfcdc2 65 if (_putc(*ptr++) == EOF) {
mbed_official 0:fd0d7bdfcdc2 66 break;
mbed_official 0:fd0d7bdfcdc2 67 }
mbed_official 0:fd0d7bdfcdc2 68 }
mbed_official 0:fd0d7bdfcdc2 69 return ptr - (const char*)buffer;
mbed_official 0:fd0d7bdfcdc2 70 }
mbed_official 0:fd0d7bdfcdc2 71
mbed_official 0:fd0d7bdfcdc2 72 ssize_t Stream::read(void* buffer, size_t length) {
mbed_official 0:fd0d7bdfcdc2 73 char* ptr = (char*)buffer;
mbed_official 0:fd0d7bdfcdc2 74 char* end = ptr + length;
mbed_official 0:fd0d7bdfcdc2 75 while (ptr != end) {
mbed_official 0:fd0d7bdfcdc2 76 int c = _getc();
mbed_official 0:fd0d7bdfcdc2 77 if (c==EOF) break;
mbed_official 0:fd0d7bdfcdc2 78 *ptr++ = c;
mbed_official 0:fd0d7bdfcdc2 79 }
mbed_official 0:fd0d7bdfcdc2 80 return ptr - (const char*)buffer;
mbed_official 0:fd0d7bdfcdc2 81 }
mbed_official 0:fd0d7bdfcdc2 82
mbed_official 0:fd0d7bdfcdc2 83 off_t Stream::lseek(off_t offset, int whence) {
mbed_official 0:fd0d7bdfcdc2 84 return 0;
mbed_official 0:fd0d7bdfcdc2 85 }
mbed_official 0:fd0d7bdfcdc2 86
mbed_official 0:fd0d7bdfcdc2 87 int Stream::isatty() {
mbed_official 0:fd0d7bdfcdc2 88 return 0;
mbed_official 0:fd0d7bdfcdc2 89 }
mbed_official 0:fd0d7bdfcdc2 90
mbed_official 0:fd0d7bdfcdc2 91 int Stream::fsync() {
mbed_official 0:fd0d7bdfcdc2 92 return 0;
mbed_official 0:fd0d7bdfcdc2 93 }
mbed_official 0:fd0d7bdfcdc2 94
mbed_official 0:fd0d7bdfcdc2 95 off_t Stream::flen() {
mbed_official 0:fd0d7bdfcdc2 96 return 0;
mbed_official 0:fd0d7bdfcdc2 97 }
mbed_official 0:fd0d7bdfcdc2 98
mbed_official 0:fd0d7bdfcdc2 99 int Stream::printf(const char* format, ...) {
mbed_official 0:fd0d7bdfcdc2 100 std::va_list arg;
mbed_official 0:fd0d7bdfcdc2 101 va_start(arg, format);
mbed_official 0:fd0d7bdfcdc2 102 fflush(_file);
mbed_official 0:fd0d7bdfcdc2 103 int r = vfprintf(_file, format, arg);
mbed_official 0:fd0d7bdfcdc2 104 va_end(arg);
mbed_official 0:fd0d7bdfcdc2 105 return r;
mbed_official 0:fd0d7bdfcdc2 106 }
mbed_official 0:fd0d7bdfcdc2 107
mbed_official 0:fd0d7bdfcdc2 108 int Stream::scanf(const char* format, ...) {
mbed_official 0:fd0d7bdfcdc2 109 std::va_list arg;
mbed_official 0:fd0d7bdfcdc2 110 va_start(arg, format);
mbed_official 0:fd0d7bdfcdc2 111 fflush(_file);
mbed_official 0:fd0d7bdfcdc2 112 int r = vfscanf(_file, format, arg);
mbed_official 0:fd0d7bdfcdc2 113 va_end(arg);
mbed_official 0:fd0d7bdfcdc2 114 return r;
mbed_official 0:fd0d7bdfcdc2 115 }
mbed_official 0:fd0d7bdfcdc2 116
mbed_official 0:fd0d7bdfcdc2 117 } // namespace mbed