1 /* mbed Microcontroller Library
2 * Copyright (c) 2006-2013 ARM Limited
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
22 Stream::Stream(const char *name) : FileLike(name), _file(NULL) {
24 char buf[12]; /* :0x12345678 + null byte */
25 std::sprintf(buf, ":%p", this);
26 _file = std::fopen(buf, "w+");
27 mbed_set_unbuffered_stream(_file);
34 int Stream::putc(int c) {
36 return std::fputc(c, _file);
38 int Stream::puts(const char *s) {
40 return std::fputs(s, _file);
44 return mbed_getc(_file);
46 char* Stream::gets(char *s, int size) {
48 return mbed_gets(s,size,_file);
55 ssize_t Stream::write(const void* buffer, size_t length) {
56 const char* ptr = (const char*)buffer;
57 const char* end = ptr + length;
59 if (_putc(*ptr++) == EOF) {
63 return ptr - (const char*)buffer;
66 ssize_t Stream::read(void* buffer, size_t length) {
67 char* ptr = (char*)buffer;
68 char* end = ptr + length;
74 return ptr - (const char*)buffer;
77 off_t Stream::lseek(off_t offset, int whence) {
81 int Stream::isatty() {
89 off_t Stream::flen() {
93 int Stream::printf(const char* format, ...) {
95 va_start(arg, format);
97 int r = vfprintf(_file, format, arg);
102 int Stream::scanf(const char* format, ...) {
104 va_start(arg, format);
106 int r = vfscanf(_file, format, arg);