root/library/bdm/osutils.cpp @ 497

//
// C++ Implementation: osutils
//
// Description:
//
//
// Author: smidl <smidl@utia.cas.cz>, (C) 2008
//
// Copyright: See COPYING file that comes with this distribution
//
//

#include "osutils.h"
#include <iostream>
#include <stdexcept>
#include <string>

#ifdef WIN32
#include "dirent.h"
#include <direct.h>
#define rmdir _rmdir
#define unlink _unlink
#else
#include <dirent.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#endif

#include <fcntl.h>
#include <errno.h>


void get_fname ( char* filename, string &dirname, string &f ) {
#ifdef WIN32
        sprintf ( filename, "%s\\%s", dirname.c_str(), f.c_str() );
#else
        sprintf ( filename, "%s/%s", dirname.c_str() , f.c_str() );
#endif
}

void makedir ( string &dirname, bool rewrite ) {
#ifdef WIN32
        if ( _mkdir ( dirname.c_str() ) == -1 )   // Create the directory
#else
        if ( mkdir ( dirname.c_str(), 00755 ) == -1 )   // Create the directory
#endif
        {
                if ( ( rewrite ) && ( errno == EEXIST ) ) it_warning ( "rewriting directory" );
                else it_error ( "dirfilelog:: cannot create directory" );
        }
}

bool remove_all ( const char *path ) {
        DIR *dir;
        dirent *de;

        bool rv = true;
        if ( ( dir = opendir ( path ) ) != 0 ) {
                try {
                        std::string top ( path );
                        top += "/";

                        while ( ( de = readdir ( dir ) ) != 0 ) {
                                if ( strcmp ( de->d_name, "." ) && strcmp ( de->d_name, ".." ) ) {
                                        std::string subpath ( top );
                                        subpath += de->d_name;
                                        remove_all ( subpath.c_str() );
                                }
                        }
                } catch ( ... ) {
                        closedir ( dir );
                        throw;
                }

                closedir ( dir );

                if ( rmdir ( path ) ) {
                        std::string msg = "can't remove dir ";
                        msg += path;
                        throw std::runtime_error ( msg );
                }
        } else {
                if ( ( errno == ENOTDIR ) || // Linux 
                     ( errno == EINVAL ) ) { // Windows
                        if ( unlink ( path ) ) {
                                std::string msg = "can't remove file ";
                                msg += path;
                                throw std::runtime_error ( msg );
                        }
                } else {
                        if ( errno != ENOENT ) {
                                std::string msg = "can't remove ";
                                msg += path;
                                throw std::runtime_error ( msg );
                        } else {
                                // it wasn't there in the first place
                                rv = false;
                        }
                }
        }

        return rv;
}