92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2014 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#include "dated_copy.h"
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#include "dirname.h"
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#include "basename.h"
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#include <ctime>
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#include <fstream>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <iostream>
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#if !defined(_WIN32)
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#include <unistd.h>
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IGL_INLINE bool igl::dated_copy(const std::string & src_path, const std::string & dir)
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{
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using namespace std;
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// Get time and date as string
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char buffer[80];
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time_t rawtime;
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struct tm * timeinfo;
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time (&rawtime);
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timeinfo = localtime (&rawtime);
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// ISO 8601 format with hyphens instead of colons and no timezone offset
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strftime (buffer,80,"%Y-%m-%dT%H-%M-%S",timeinfo);
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string src_basename = basename(src_path);
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string dst_basename = src_basename+"-"+buffer;
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string dst_path = dir+"/"+dst_basename;
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cerr<<"Saving binary to "<<dst_path;
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{
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// http://stackoverflow.com/a/10195497/148668
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ifstream src(src_path,ios::binary);
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if (!src.is_open())
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{
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cerr<<" failed."<<endl;
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return false;
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}
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ofstream dst(dst_path,ios::binary);
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if(!dst.is_open())
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{
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cerr<<" failed."<<endl;
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return false;
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}
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dst << src.rdbuf();
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}
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cerr<<" succeeded."<<endl;
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cerr<<"Setting permissions of "<<dst_path;
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{
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int src_posix = fileno(fopen(src_path.c_str(),"r"));
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if(src_posix == -1)
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{
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cerr<<" failed."<<endl;
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return false;
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}
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struct stat fst;
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fstat(src_posix,&fst);
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int dst_posix = fileno(fopen(dst_path.c_str(),"r"));
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if(dst_posix == -1)
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{
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cerr<<" failed."<<endl;
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return false;
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}
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//update to the same uid/gid
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if(fchown(dst_posix,fst.st_uid,fst.st_gid))
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{
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cerr<<" failed."<<endl;
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return false;
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}
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//update the permissions
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if(fchmod(dst_posix,fst.st_mode) == -1)
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{
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cerr<<" failed."<<endl;
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return false;
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}
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cerr<<" succeeded."<<endl;
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}
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return true;
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}
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IGL_INLINE bool igl::dated_copy(const std::string & src_path)
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{
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return dated_copy(src_path,dirname(src_path));
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}
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#endif
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