output.cc revision 5524:e5fbd38bc828
1/* 2 * Copyright (c) 2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Nathan Binkert 29 */ 30 31#include <errno.h> 32#include <limits.h> 33#include <stdlib.h> 34#include <sys/stat.h> 35#include <sys/types.h> 36 37#include <fstream> 38 39#include "base/misc.hh" 40#include "base/output.hh" 41 42using namespace std; 43 44OutputDirectory simout; 45 46/** 47 * 48 */ 49OutputDirectory::OutputDirectory() 50{} 51 52OutputDirectory::~OutputDirectory() 53{} 54 55void 56OutputDirectory::setDirectory(const string &d) 57{ 58 if (!dir.empty()) 59 panic("Output directory already set!\n"); 60 61 dir = d; 62 63 // guarantee that directory ends with a '/' 64 if (dir[dir.size() - 1] != '/') 65 dir += "/"; 66} 67 68const string & 69OutputDirectory::directory() 70{ 71 if (dir.empty()) 72 panic("Output directory not set!"); 73 74 return dir; 75} 76 77string 78OutputDirectory::resolve(const string &name) 79{ 80 return (name[0] != '/') ? dir + name : name; 81} 82 83ostream * 84OutputDirectory::create(const string &name, bool binary) 85{ 86 if (name == "cerr" || name == "stderr") 87 return &cerr; 88 89 if (name == "cout" || name == "stdout") 90 return &cout; 91 92 ofstream *file = new ofstream(resolve(name).c_str(), 93 ios::trunc | binary ? ios::binary : (ios::openmode)0); 94 if (!file->is_open()) 95 fatal("Cannot open file %s", name); 96 97 return file; 98} 99 100ostream * 101OutputDirectory::find(const string &name) 102{ 103 if (name == "cerr" || name == "stderr") 104 return &cerr; 105 106 if (name == "cout" || name == "stdout") 107 return &cout; 108 109 string filename = resolve(name); 110 map_t::iterator i = files.find(filename); 111 if (i != files.end()) 112 return (*i).second; 113 114 ofstream *file = new ofstream(filename.c_str(), ios::trunc); 115 if (!file->is_open()) 116 fatal("Cannot open file %s", filename); 117 118 files[filename] = file; 119 return file; 120} 121 122bool 123OutputDirectory::isFile(const std::ostream *os) 124{ 125 return os && os != &cerr && os != &cout; 126} 127