Lancaster University / mbed-src

Lancaster University's (short term!) clone of mbed-src for micro:bit. This is a copy of the github branch https://github.com/lancaster-university/mbed-classic

Fork of mbed-src 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