| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include <ostream> |
| #include <streambuf> |
| #include <cstring> |
| #include <limits> |
| |
| namespace std { |
| // Defined in bionic/libstdc++/src/one_time_construction.cpp |
| |
| ostream::ostream() { } |
| |
| ostream::~ostream() { } |
| |
| ostream& ostream::operator<<(const char_type *str) { |
| if (this->rdbuf() && str) { |
| this->rdbuf()->sputn(str, strlen(str)); |
| } |
| return *this; |
| } |
| |
| ostream& ostream::operator<<(char_type c) { |
| // TODO: Should format according to flags. |
| return put(c); |
| } |
| |
| ostream& ostream::operator<<(bool val) { |
| // TODO: Should format according to flags (e.g write "true" or "false"). |
| return put(val?'1':'0'); |
| } |
| |
| // 64 bits int in octal is 22 digits. There is one for the sign and 2 |
| // for the format specifier + 1 for the terminating \0. A total of 26 |
| // chars should be enough to hold any integer representation. |
| static const size_t kNumSize = 26; |
| ostream& ostream::operator<<(int val) { |
| const char *fmt = "%d"; |
| char buf[kNumSize]; |
| int size = snprintf(buf, kNumSize, fmt, val); |
| return write(buf, size); |
| } |
| |
| ostream& ostream::operator<<(unsigned int val) { |
| const char *fmt = "%u"; |
| char buf[kNumSize]; |
| int size = snprintf(buf, kNumSize, fmt, val); |
| return write(buf, size); |
| } |
| |
| ostream& ostream::operator<<(long int val) { |
| const char *fmt = "%ld"; |
| char buf[kNumSize]; |
| int size = snprintf(buf, kNumSize, fmt, val); |
| return write(buf, size); |
| } |
| |
| ostream& ostream::operator<<(unsigned long int val) { |
| const char *fmt = "%lu"; |
| char buf[kNumSize]; |
| int size = snprintf(buf, kNumSize, fmt, val); |
| return write(buf, size); |
| } |
| |
| ostream& ostream::operator<<(long long int val) { |
| const char *fmt = "%lld"; |
| char buf[kNumSize]; |
| int size = snprintf(buf, kNumSize, fmt, val); |
| return write(buf, size); |
| } |
| |
| ostream& ostream::operator<<(unsigned long long int val) { |
| const char *fmt = "%llu"; |
| char buf[kNumSize]; |
| int size = snprintf(buf, kNumSize, fmt, val); |
| return write(buf, size); |
| } |
| |
| // Double max 1.7976931348623157E+308 = 23 < kNumSize so we reuse it. |
| ostream& ostream::operator<<(double val) { |
| const char *fmt = "%.*e"; |
| char buf[kNumSize]; |
| int size = snprintf(buf, kNumSize, fmt, precision(), val); |
| return write(buf, size); |
| } |
| |
| ostream& ostream::operator<<(float val) { |
| const char *fmt = "%.*e"; |
| char buf[kNumSize]; |
| int size = snprintf(buf, kNumSize, fmt, precision(), val); |
| return write(buf, size); |
| } |
| |
| ostream& ostream::operator<<(const void *p) { |
| const char *fmt = "%p"; |
| char buf[kNumSize]; |
| int size = snprintf(buf, kNumSize, fmt, p); |
| return write(buf, size); |
| } |
| |
| ostream& ostream::write_formatted(const char_type *str, streamsize num) { |
| // TODO: Should format the string according to the flags. |
| return write(str, num); |
| } |
| |
| ostream& ostream::put(char_type c) { |
| if (this->rdbuf()) { |
| this->rdbuf()->sputn(&c, 1); |
| } |
| return *this; |
| } |
| |
| ostream& ostream::write(const char_type *str, streamsize num) { |
| if (this->rdbuf()) { |
| this->rdbuf()->sputn(str, num); |
| } |
| return *this; |
| } |
| |
| ostream& ostream::flush() { |
| if (this->rdbuf()) { |
| // TODO: if pubsync returns -1 should mark this stream as |
| // 'bad'. |
| this->rdbuf()->pubsync(); |
| } |
| return *this; |
| } |
| |
| } // namespace std |