Ermanno Brusadin / mbed

mbed library sources

Dependents:   FRDM-KL46Z_LCD_Test FRDM-KL46Z_LCD_Test FRDM-KL46Z_Plantilla FRDM-KL46Z_Plantilla ... more

common/Stream.cpp@0:6bc4ac881c8e, 2016-07-28 (annotated)

Committer:
ebrus
Date:
Thu Jul 28 15:56:34 2016 +0000
Revision:
0:6bc4ac881c8e
1;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ebrus 0:6bc4ac881c8e 1 /* mbed Microcontroller Library
ebrus 0:6bc4ac881c8e 2 * Copyright (c) 2006-2013 ARM Limited
ebrus 0:6bc4ac881c8e 3 *
ebrus 0:6bc4ac881c8e 4 * Licensed under the Apache License, Version 2.0 (the "License");
ebrus 0:6bc4ac881c8e 5 * you may not use this file except in compliance with the License.
ebrus 0:6bc4ac881c8e 6 * You may obtain a copy of the License at
ebrus 0:6bc4ac881c8e 7 *
ebrus 0:6bc4ac881c8e 8 * http://www.apache.org/licenses/LICENSE-2.0
ebrus 0:6bc4ac881c8e 9 *
ebrus 0:6bc4ac881c8e 10 * Unless required by applicable law or agreed to in writing, software
ebrus 0:6bc4ac881c8e 11 * distributed under the License is distributed on an "AS IS" BASIS,
ebrus 0:6bc4ac881c8e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ebrus 0:6bc4ac881c8e 13 * See the License for the specific language governing permissions and
ebrus 0:6bc4ac881c8e 14 * limitations under the License.
ebrus 0:6bc4ac881c8e 15 */
ebrus 0:6bc4ac881c8e 16 #include "Stream.h"
ebrus 0:6bc4ac881c8e 17
ebrus 0:6bc4ac881c8e 18 #include <cstdarg>
ebrus 0:6bc4ac881c8e 19
ebrus 0:6bc4ac881c8e 20 namespace mbed {
ebrus 0:6bc4ac881c8e 21
ebrus 0:6bc4ac881c8e 22 Stream::Stream(const char *name) : FileLike(name), _file(NULL) {
ebrus 0:6bc4ac881c8e 23 /* open ourselves */
ebrus 0:6bc4ac881c8e 24 char buf[12]; /* :0x12345678 + null byte */
ebrus 0:6bc4ac881c8e 25 std::sprintf(buf, ":%p", this);
ebrus 0:6bc4ac881c8e 26 _file = std::fopen(buf, "w+");
ebrus 0:6bc4ac881c8e 27 setbuf(_file, NULL);
ebrus 0:6bc4ac881c8e 28 }
ebrus 0:6bc4ac881c8e 29
ebrus 0:6bc4ac881c8e 30 Stream::~Stream() {
ebrus 0:6bc4ac881c8e 31 fclose(_file);
ebrus 0:6bc4ac881c8e 32 }
ebrus 0:6bc4ac881c8e 33
ebrus 0:6bc4ac881c8e 34 int Stream::putc(int c) {
ebrus 0:6bc4ac881c8e 35 fflush(_file);
ebrus 0:6bc4ac881c8e 36 return std::fputc(c, _file);
ebrus 0:6bc4ac881c8e 37 }
ebrus 0:6bc4ac881c8e 38 int Stream::puts(const char *s) {
ebrus 0:6bc4ac881c8e 39 fflush(_file);
ebrus 0:6bc4ac881c8e 40 return std::fputs(s, _file);
ebrus 0:6bc4ac881c8e 41 }
ebrus 0:6bc4ac881c8e 42 int Stream::getc() {
ebrus 0:6bc4ac881c8e 43 fflush(_file);
ebrus 0:6bc4ac881c8e 44 return std::fgetc(_file);
ebrus 0:6bc4ac881c8e 45 }
ebrus 0:6bc4ac881c8e 46 char* Stream::gets(char *s, int size) {
ebrus 0:6bc4ac881c8e 47 fflush(_file);
ebrus 0:6bc4ac881c8e 48 return std::fgets(s,size,_file);
ebrus 0:6bc4ac881c8e 49 }
ebrus 0:6bc4ac881c8e 50
ebrus 0:6bc4ac881c8e 51 int Stream::close() {
ebrus 0:6bc4ac881c8e 52 return 0;
ebrus 0:6bc4ac881c8e 53 }
ebrus 0:6bc4ac881c8e 54
ebrus 0:6bc4ac881c8e 55 ssize_t Stream::write(const void* buffer, size_t length) {
ebrus 0:6bc4ac881c8e 56 const char* ptr = (const char*)buffer;
ebrus 0:6bc4ac881c8e 57 const char* end = ptr + length;
ebrus 0:6bc4ac881c8e 58 while (ptr != end) {
ebrus 0:6bc4ac881c8e 59 if (_putc(*ptr++) == EOF) {
ebrus 0:6bc4ac881c8e 60 break;
ebrus 0:6bc4ac881c8e 61 }
ebrus 0:6bc4ac881c8e 62 }
ebrus 0:6bc4ac881c8e 63 return ptr - (const char*)buffer;
ebrus 0:6bc4ac881c8e 64 }
ebrus 0:6bc4ac881c8e 65
ebrus 0:6bc4ac881c8e 66 ssize_t Stream::read(void* buffer, size_t length) {
ebrus 0:6bc4ac881c8e 67 char* ptr = (char*)buffer;
ebrus 0:6bc4ac881c8e 68 char* end = ptr + length;
ebrus 0:6bc4ac881c8e 69 while (ptr != end) {
ebrus 0:6bc4ac881c8e 70 int c = _getc();
ebrus 0:6bc4ac881c8e 71 if (c==EOF) break;
ebrus 0:6bc4ac881c8e 72 *ptr++ = c;
ebrus 0:6bc4ac881c8e 73 }
ebrus 0:6bc4ac881c8e 74 return ptr - (const char*)buffer;
ebrus 0:6bc4ac881c8e 75 }
ebrus 0:6bc4ac881c8e 76
ebrus 0:6bc4ac881c8e 77 off_t Stream::lseek(off_t offset, int whence) {
ebrus 0:6bc4ac881c8e 78 return 0;
ebrus 0:6bc4ac881c8e 79 }
ebrus 0:6bc4ac881c8e 80
ebrus 0:6bc4ac881c8e 81 int Stream::isatty() {
ebrus 0:6bc4ac881c8e 82 return 0;
ebrus 0:6bc4ac881c8e 83 }
ebrus 0:6bc4ac881c8e 84
ebrus 0:6bc4ac881c8e 85 int Stream::fsync() {
ebrus 0:6bc4ac881c8e 86 return 0;
ebrus 0:6bc4ac881c8e 87 }
ebrus 0:6bc4ac881c8e 88
ebrus 0:6bc4ac881c8e 89 off_t Stream::flen() {
ebrus 0:6bc4ac881c8e 90 return 0;
ebrus 0:6bc4ac881c8e 91 }
ebrus 0:6bc4ac881c8e 92
ebrus 0:6bc4ac881c8e 93 int Stream::printf(const char* format, ...) {
ebrus 0:6bc4ac881c8e 94 std::va_list arg;
ebrus 0:6bc4ac881c8e 95 va_start(arg, format);
ebrus 0:6bc4ac881c8e 96 fflush(_file);
ebrus 0:6bc4ac881c8e 97 int r = vfprintf(_file, format, arg);
ebrus 0:6bc4ac881c8e 98 va_end(arg);
ebrus 0:6bc4ac881c8e 99 return r;
ebrus 0:6bc4ac881c8e 100 }
ebrus 0:6bc4ac881c8e 101
ebrus 0:6bc4ac881c8e 102 int Stream::scanf(const char* format, ...) {
ebrus 0:6bc4ac881c8e 103 std::va_list arg;
ebrus 0:6bc4ac881c8e 104 va_start(arg, format);
ebrus 0:6bc4ac881c8e 105 fflush(_file);
ebrus 0:6bc4ac881c8e 106 int r = vfscanf(_file, format, arg);
ebrus 0:6bc4ac881c8e 107 va_end(arg);
ebrus 0:6bc4ac881c8e 108 return r;
ebrus 0:6bc4ac881c8e 109 }
ebrus 0:6bc4ac881c8e 110
ebrus 0:6bc4ac881c8e 111 } // namespace mbed