1 /*---------------------------------------------------------------------\
3 | |__ / \ / / . \ . \ |
8 \---------------------------------------------------------------------*/
9 /** \file zypp/PathInfo.cc
13 #include <utime.h> // for ::utime
14 #include <sys/statvfs.h>
15 #include <sys/sysmacros.h> // for ::minor, ::major macros
21 #include <zypp/base/LogTools.h>
22 #include <zypp/base/String.h>
23 #include <zypp/base/IOStream.h>
24 #include <zypp/base/StrMatcher.h>
25 #include <zypp/base/Errno.h>
27 #include <zypp/AutoDispose.h>
28 #include <zypp/ExternalProgram.h>
29 #include <zypp/PathInfo.h>
30 #include <zypp/Digest.h>
31 #include <zypp/TmpPath.h>
36 ///////////////////////////////////////////////////////////////////
38 { /////////////////////////////////////////////////////////////////
39 ///////////////////////////////////////////////////////////////////
41 { /////////////////////////////////////////////////////////////////
43 /******************************************************************
45 ** FUNCTION NAME : operator<<
46 ** FUNCTION TYPE : std::ostream &
48 std::ostream & operator<<( std::ostream & str, FileType obj )
51 #define EMUMOUT(T) case T: return str << #T; break
52 EMUMOUT( FT_NOT_AVAIL );
53 EMUMOUT( FT_NOT_EXIST );
56 EMUMOUT( FT_CHARDEV );
57 EMUMOUT( FT_BLOCKDEV );
66 ///////////////////////////////////////////////////////////////////
68 // METHOD NAME : StatMode::fileType
69 // METHOD TYPE : FileType
71 FileType StatMode::fileType() const
91 /******************************************************************
93 ** FUNCTION NAME : operator<<
94 ** FUNCTION TYPE : std::ostream &
96 std::ostream & operator<<( std::ostream & str, const StatMode & obj )
98 iostr::IosFmtFlagsSaver autoResoreState( str );
103 else if ( obj.isDir() )
105 else if ( obj.isLink() )
107 else if ( obj.isChr() )
109 else if ( obj.isBlk() )
111 else if ( obj.isFifo() )
113 else if ( obj.isSock() )
116 str << t << " " << std::setfill( '0' ) << std::setw( 4 ) << std::oct << obj.perm();
120 ///////////////////////////////////////////////////////////////////
124 ///////////////////////////////////////////////////////////////////
126 ///////////////////////////////////////////////////////////////////
128 // METHOD NAME : PathInfo::PathInfo
129 // METHOD TYPE : Constructor
136 ///////////////////////////////////////////////////////////////////
138 // METHOD NAME : PathInfo::PathInfo
139 // METHOD TYPE : Constructor
141 PathInfo::PathInfo( const Pathname & path, Mode initial )
149 ///////////////////////////////////////////////////////////////////
151 // METHOD NAME : PathInfo::PathInfo
152 // METHOD TYPE : Constructor
154 PathInfo::PathInfo( const std::string & path, Mode initial )
162 ///////////////////////////////////////////////////////////////////
164 // METHOD NAME : PathInfo::PathInfo
165 // METHOD TYPE : Constructor
167 PathInfo::PathInfo( const char * path, Mode initial )
175 ///////////////////////////////////////////////////////////////////
177 // METHOD NAME : PathInfo::~PathInfo
178 // METHOD TYPE : Destructor
180 PathInfo::~PathInfo()
184 ///////////////////////////////////////////////////////////////////
186 // METHOD NAME : PathInfo::operator()
187 // METHOD TYPE : bool
189 bool PathInfo::operator()()
191 if ( path_t.empty() ) {
196 error_i = ::stat( path_t.asString().c_str(), &statbuf_C );
199 error_i = ::lstat( path_t.asString().c_str(), &statbuf_C );
208 ///////////////////////////////////////////////////////////////////
210 // METHOD NAME : PathInfo::fileType
211 // METHOD TYPE : File_type
213 FileType PathInfo::fileType() const
216 return asStatMode().fileType();
220 ///////////////////////////////////////////////////////////////////
222 // METHOD NAME : PathInfo::userMay
223 // METHOD TYPE : mode_t
225 mode_t PathInfo::userMay() const
229 if ( owner() == geteuid() ) {
230 return( uperm()/0100 );
231 } else if ( group() == getegid() ) {
232 return( gperm()/010 );
237 /******************************************************************
239 ** FUNCTION NAME : PathInfo::devMajor
240 ** FUNCTION TYPE : unsigned int
242 unsigned int PathInfo::devMajor() const
244 return isBlk() || isChr() ? major(statbuf_C.st_rdev) : 0;
247 /******************************************************************
249 ** FUNCTION NAME : PathInfo::devMinor
250 ** FUNCTION TYPE : unsigned int
252 unsigned int PathInfo::devMinor() const
254 return isBlk() || isChr() ? minor(statbuf_C.st_rdev) : 0;
257 /******************************************************************
259 ** FUNCTION NAME : operator<<
260 ** FUNCTION TYPE : std::ostream &
262 std::ostream & operator<<( std::ostream & str, const PathInfo & obj )
264 iostr::IosFmtFlagsSaver autoResoreState( str );
266 str << obj.asString() << "{";
267 if ( !obj.isExist() ) {
268 str << Errno( obj.error() );
270 str << obj.asStatMode() << " " << std::dec << obj.owner() << "/" << obj.group();
273 str << " size " << obj.size();
279 ///////////////////////////////////////////////////////////////////
281 // filesystem utilities
283 ///////////////////////////////////////////////////////////////////
285 #define logResult MIL << endl, doLogResult
287 /** Helper function to log return values. */
288 inline int doLogResult( const int res, const char * rclass = 0 /*errno*/ )
293 WAR << " FAILED: " << rclass << " " << res << endl;
295 WAR << " FAILED: " << str::strerror( res ) << endl;
301 ///////////////////////////////////////////////////////////////////
303 // METHOD NAME : PathInfo::mkdir
306 int mkdir( const Pathname & path, unsigned mode )
308 MIL << "mkdir " << path << ' ' << str::octstring( mode );
309 if ( ::mkdir( path.asString().c_str(), mode ) == -1 ) {
310 return logResult( errno );
312 return logResult( 0 );
315 ///////////////////////////////////////////////////////////////////
317 // METHOD NAME : assert_dir()
320 int assert_dir( const Pathname & path, unsigned mode )
325 { // Handle existing paths in advance.
333 string spath = path.asString()+"/";
334 std::string::size_type lastpos = ( path.relative() ? 2 : 1 ); // skip leasding './' or '/'
335 std::string::size_type pos = std::string::npos;
338 while ( (pos = spath.find('/',lastpos)) != std::string::npos )
340 string dir( spath.substr(0,pos) );
341 ret = ::mkdir( dir.c_str(), mode );
344 if ( errno == EEXIST ) // ignore errors about already existing paths
349 WAR << " FAILED: mkdir " << dir << ' ' << str::octstring( mode ) << " errno " << ret << endl;
354 MIL << "mkdir " << dir << ' ' << str::octstring( mode ) << endl;
362 ///////////////////////////////////////////////////////////////////
364 // METHOD NAME : rmdir
367 int rmdir( const Pathname & path )
369 MIL << "rmdir " << path;
370 if ( ::rmdir( path.asString().c_str() ) == -1 ) {
371 return logResult( errno );
373 return logResult( 0 );
376 ///////////////////////////////////////////////////////////////////
378 // METHOD NAME : recursive_rmdir
381 static int recursive_rmdir_1( const Pathname & dir, bool removeDir = true )
386 if ( ! (dp = opendir( dir.c_str() )) )
387 return logResult( errno );
389 while ( (d = readdir(dp)) )
391 std::string direntry = d->d_name;
392 if ( direntry == "." || direntry == ".." )
394 Pathname new_path( dir / d->d_name );
397 if ( ! lstat( new_path.c_str(), &st ) )
399 if ( S_ISDIR( st.st_mode ) )
400 recursive_rmdir_1( new_path );
402 ::unlink( new_path.c_str() );
407 if ( removeDir && ::rmdir( dir.c_str() ) < 0 )
412 ///////////////////////////////////////////////////////////////////
413 int recursive_rmdir( const Pathname & path )
415 MIL << "recursive_rmdir " << path << ' ';
418 if ( !p.isExist() ) {
419 return logResult( 0 );
423 return logResult( ENOTDIR );
426 return logResult( recursive_rmdir_1( path ) );
429 ///////////////////////////////////////////////////////////////////
431 // METHOD NAME : clean_dir
434 int clean_dir( const Pathname & path )
436 MIL << "clean_dir " << path << ' ';
439 if ( !p.isExist() ) {
440 return logResult( 0 );
444 return logResult( ENOTDIR );
447 return logResult( recursive_rmdir_1( path, false/* don't remove path itself */ ) );
450 ///////////////////////////////////////////////////////////////////
452 // METHOD NAME : copy_dir
455 int copy_dir( const Pathname & srcpath, const Pathname & destpath )
457 MIL << "copy_dir " << srcpath << " -> " << destpath << ' ';
459 PathInfo sp( srcpath );
461 return logResult( ENOTDIR );
464 PathInfo dp( destpath );
466 return logResult( ENOTDIR );
469 PathInfo tp( destpath + srcpath.basename() );
470 if ( tp.isExist() ) {
471 return logResult( EEXIST );
475 const char *const argv[] = {
479 srcpath.asString().c_str(),
480 destpath.asString().c_str(),
483 ExternalProgram prog( argv, ExternalProgram::Stderr_To_Stdout );
484 for ( string output( prog.receiveLine() ); output.length(); output = prog.receiveLine() ) {
485 MIL << " " << output;
487 int ret = prog.close();
488 return logResult( ret, "returned" );
491 ///////////////////////////////////////////////////////////////////
493 // METHOD NAME : copy_dir_content
496 int copy_dir_content(const Pathname & srcpath, const Pathname & destpath)
498 MIL << "copy_dir " << srcpath << " -> " << destpath << ' ';
500 PathInfo sp( srcpath );
502 return logResult( ENOTDIR );
505 PathInfo dp( destpath );
507 return logResult( ENOTDIR );
510 if ( srcpath == destpath ) {
511 return logResult( EEXIST );
514 std::string src( srcpath.asString());
516 const char *const argv[] = {
521 destpath.asString().c_str(),
524 ExternalProgram prog( argv, ExternalProgram::Stderr_To_Stdout );
525 for ( string output( prog.receiveLine() ); output.length(); output = prog.receiveLine() ) {
526 MIL << " " << output;
528 int ret = prog.close();
529 return logResult( ret, "returned" );
532 ///////////////////////////////////////////////////////////////////////
534 ///////////////////////////////////////////////////////////////////////
536 const StrMatcher & matchNoDots()
538 static StrMatcher noDots( "[^.]*", Match::GLOB );
542 int dirForEach( const Pathname & dir_r, function<bool(const Pathname &, const char *const)> fnc_r )
547 AutoDispose<DIR *> dir( ::opendir( dir_r.c_str() ),
548 []( DIR * dir_r ) { if ( dir_r ) ::closedir( dir_r ); } );
550 MIL << "readdir " << dir_r << ' ';
552 return logResult( errno );
553 MIL << endl; // close line before callbacks are invoked.
556 for ( struct dirent * entry = ::readdir( dir ); entry; entry = ::readdir( dir ) )
558 if ( entry->d_name[0] == '.' && ( entry->d_name[1] == '\0' || ( entry->d_name[1] == '.' && entry->d_name[2] == '\0' ) ) )
559 continue; // omitt . and ..
561 if ( ! fnc_r( dir_r, entry->d_name ) )
570 int dirForEach( const Pathname & dir_r, const StrMatcher & matcher_r, function<bool( const Pathname &, const char *const)> fnc_r )
575 bool nodots = ( &matcher_r == &matchNoDots() );
576 return dirForEach( dir_r,
577 [&]( const Pathname & dir_r, const char *const name_r )->bool
579 if ( ( nodots && name_r[0] == '.' ) || ! matcher_r( name_r ) )
581 return fnc_r( dir_r, name_r );
585 ///////////////////////////////////////////////////////////////////
587 ///////////////////////////////////////////////////////////////////
589 int readdir( std::list<std::string> & retlist_r, const Pathname & path_r, bool dots_r )
592 return dirForEach( path_r,
593 [&]( const Pathname & dir_r, const char *const name_r )->bool
595 if ( dots_r || name_r[0] != '.' )
596 retlist_r.push_back( name_r );
602 int readdir( std::list<Pathname> & retlist_r, const Pathname & path_r, bool dots_r )
605 return dirForEach( path_r,
606 [&]( const Pathname & dir_r, const char *const name_r )->bool
608 if ( dots_r || name_r[0] != '.' )
609 retlist_r.push_back( dir_r/name_r );
614 bool DirEntry::operator==( const DirEntry &rhs ) const
616 // if one of the types is not known, use the name only
617 if ( type == FT_NOT_AVAIL || rhs.type == FT_NOT_AVAIL )
618 return ( name == rhs.name );
619 return ((name == rhs.name ) && (type == rhs.type));
622 int readdir( DirContent & retlist_r, const Pathname & path_r, bool dots_r, PathInfo::Mode statmode_r )
625 return dirForEach( path_r,
626 [&]( const Pathname & dir_r, const char *const name_r )->bool
628 if ( dots_r || name_r[0] != '.' )
629 retlist_r.push_back( DirEntry( name_r, PathInfo( dir_r/name_r, statmode_r ).fileType() ) );
634 std::ostream & operator<<( std::ostream & str, const DirContent & obj )
635 { return dumpRange( str, obj.begin(), obj.end() ); }
637 ///////////////////////////////////////////////////////////////////
639 ///////////////////////////////////////////////////////////////////
641 int is_empty_dir( const Pathname & path_r )
643 return dirForEach( path_r,
644 [&]( const Pathname & dir_r, const char *const name_r )->bool
648 ///////////////////////////////////////////////////////////////////
650 // METHOD NAME : unlink
653 int unlink( const Pathname & path )
655 MIL << "unlink " << path;
656 if ( ::unlink( path.asString().c_str() ) == -1 ) {
657 return logResult( errno );
659 return logResult( 0 );
662 ///////////////////////////////////////////////////////////////////
665 int safe_rename( const Pathname & oldpath, const Pathname & newpath )
667 int ret = ::rename( oldpath.asString().c_str(), newpath.asString().c_str() );
669 // rename(2) can fail on OverlayFS. Fallback to using mv(1), which is
670 // explicitly mentioned in the kernel docs to deal correctly with OverlayFS.
671 if ( ret == -1 && errno == EXDEV ) {
672 const char *const argv[] = {
674 oldpath.asString().c_str(),
675 newpath.asString().c_str(),
678 ExternalProgram prog( argv, ExternalProgram::Stderr_To_Stdout );
679 for ( string output( prog.receiveLine() ); output.length(); output = prog.receiveLine() ) {
680 MIL << " " << output;
688 ///////////////////////////////////////////////////////////////////
690 ///////////////////////////////////////////////////////////////////
692 // METHOD NAME : rename
695 int rename( const Pathname & oldpath, const Pathname & newpath )
697 MIL << "rename " << oldpath << " -> " << newpath;
698 if ( safe_rename( oldpath.asString().c_str(), newpath.asString().c_str() ) == -1 ) {
699 return logResult( errno );
701 return logResult( 0 );
704 ///////////////////////////////////////////////////////////////////
706 // METHOD NAME : exchange
709 int exchange( const Pathname & lpath, const Pathname & rpath )
711 MIL << "exchange " << lpath << " <-> " << rpath;
712 if ( lpath.empty() || rpath.empty() )
713 return logResult( EINVAL );
715 PathInfo linfo( lpath );
716 PathInfo rinfo( rpath );
718 if ( ! linfo.isExist() )
720 if ( ! rinfo.isExist() )
721 return logResult( 0 ); // both don't exist.
723 // just rename rpath -> lpath
724 int ret = assert_dir( lpath.dirname() );
726 return logResult( ret );
727 if ( safe_rename( rpath.c_str(), lpath.c_str() ) == -1 ) {
728 return logResult( errno );
730 return logResult( 0 );
733 // HERE: lpath exists:
734 if ( ! rinfo.isExist() )
736 // just rename lpath -> rpath
737 int ret = assert_dir( rpath.dirname() );
739 return logResult( ret );
740 if ( safe_rename( lpath.c_str(), rpath.c_str() ) == -1 ) {
741 return logResult( errno );
743 return logResult( 0 );
747 TmpFile tmpfile( TmpFile::makeSibling( rpath ) );
749 return logResult( errno );
750 Pathname tmp( tmpfile.path() );
751 ::unlink( tmp.c_str() );
753 if ( safe_rename( lpath.c_str(), tmp.c_str() ) == -1 ) {
754 return logResult( errno );
756 if ( safe_rename( rpath.c_str(), lpath.c_str() ) == -1 ) {
757 safe_rename( tmp.c_str(), lpath.c_str() );
758 return logResult( errno );
760 if ( safe_rename( tmp.c_str(), rpath.c_str() ) == -1 ) {
761 safe_rename( lpath.c_str(), rpath.c_str() );
762 safe_rename( tmp.c_str(), lpath.c_str() );
763 return logResult( errno );
765 return logResult( 0 );
768 ///////////////////////////////////////////////////////////////////
770 // METHOD NAME : copy
773 int copy( const Pathname & file, const Pathname & dest )
775 MIL << "copy " << file << " -> " << dest << ' ';
778 if ( !sp.isFile() ) {
779 return logResult( EINVAL );
784 return logResult( EISDIR );
787 const char *const argv[] = {
789 "--remove-destination",
791 file.asString().c_str(),
792 dest.asString().c_str(),
795 ExternalProgram prog( argv, ExternalProgram::Stderr_To_Stdout );
796 for ( string output( prog.receiveLine() ); output.length(); output = prog.receiveLine() ) {
797 MIL << " " << output;
799 int ret = prog.close();
800 return logResult( ret, "returned" );
803 ///////////////////////////////////////////////////////////////////
805 // METHOD NAME : symlink
808 int symlink( const Pathname & oldpath, const Pathname & newpath )
810 MIL << "symlink " << newpath << " -> " << oldpath;
811 if ( ::symlink( oldpath.asString().c_str(), newpath.asString().c_str() ) == -1 ) {
812 return logResult( errno );
814 return logResult( 0 );
817 ///////////////////////////////////////////////////////////////////
819 // METHOD NAME : hardlink
822 int hardlink( const Pathname & oldpath, const Pathname & newpath )
824 MIL << "hardlink " << newpath << " -> " << oldpath;
825 if ( ::link( oldpath.asString().c_str(), newpath.asString().c_str() ) == -1 ) {
826 return logResult( errno );
828 return logResult( 0 );
831 ///////////////////////////////////////////////////////////////////
833 // METHOD NAME : hardlink
836 int hardlinkCopy( const Pathname & oldpath, const Pathname & newpath )
838 MIL << "hardlinkCopy " << oldpath << " -> " << newpath;
840 PathInfo pi( oldpath, PathInfo::LSTAT );
843 // dont hardlink symlinks!
844 MIL << " => copy" << endl;
845 return copy( oldpath, newpath );
851 int res = unlink( newpath );
853 return logResult( res );
856 // Here: no symlink, no newpath
857 if ( ::link( oldpath.asString().c_str(), newpath.asString().c_str() ) == -1 )
861 case EPERM: // /proc/sys/fs/protected_hardlink in proc(5)
862 case EXDEV: // oldpath and newpath are not on the same mounted file system
863 MIL << " => copy" << endl;
864 return copy( oldpath, newpath );
867 return logResult( errno );
869 return logResult( 0 );
872 ///////////////////////////////////////////////////////////////////
874 // METHOD NAME : readlink
877 int readlink( const Pathname & symlink_r, Pathname & target_r )
879 static const ssize_t bufsiz = 2047;
880 static char buf[bufsiz+1];
881 ssize_t ret = ::readlink( symlink_r.c_str(), buf, bufsiz );
884 target_r = Pathname();
885 MIL << "readlink " << symlink_r;
886 return logResult( errno );
893 ///////////////////////////////////////////////////////////////////
895 // METHOD NAME : expandlink
896 // METHOD TYPE : Pathname
898 Pathname expandlink( const Pathname & path_r )
900 static const unsigned int level_limit = 256;
901 static unsigned int count;
902 Pathname path(path_r);
903 PathInfo info(path_r, PathInfo::LSTAT);
905 for (count = level_limit; info.isLink() && count; count--)
907 DBG << "following symlink " << path;
908 path = path.dirname() / readlink(path);
909 DBG << "->" << path << std::endl;
910 info = PathInfo(path, PathInfo::LSTAT);
913 // expand limit reached
916 ERR << "Expand level limit reached. Probably a cyclic symbolic link." << endl;
920 else if (count < level_limit)
922 // check for a broken link
923 if (PathInfo(path).isExist())
925 // broken link, return an empty path
928 ERR << path << " is broken (expanded from " << path_r << ")" << endl;
933 // not a symlink, return the original pathname
934 DBG << "not a symlink" << endl;
938 ///////////////////////////////////////////////////////////////////
940 // METHOD NAME : copy_file2dir
943 int copy_file2dir( const Pathname & file, const Pathname & dest )
945 MIL << "copy_file2dir " << file << " -> " << dest << ' ';
948 if ( !sp.isFile() ) {
949 return logResult( EINVAL );
954 return logResult( ENOTDIR );
957 const char *const argv[] = {
960 file.asString().c_str(),
961 dest.asString().c_str(),
964 ExternalProgram prog( argv, ExternalProgram::Stderr_To_Stdout );
965 for ( string output( prog.receiveLine() ); output.length(); output = prog.receiveLine() ) {
966 MIL << " " << output;
968 int ret = prog.close();
969 return logResult( ret, "returned" );
972 ///////////////////////////////////////////////////////////////////
974 // METHOD NAME : md5sum
975 // METHOD TYPE : std::string
977 std::string md5sum( const Pathname & file )
979 if ( ! PathInfo( file ).isFile() ) {
982 std::ifstream istr( file.asString().c_str() );
986 return Digest::digest( "MD5", istr );
989 ///////////////////////////////////////////////////////////////////
991 // METHOD NAME : sha1sum
992 // METHOD TYPE : std::string
994 std::string sha1sum( const Pathname & file )
996 return checksum(file, "SHA1");
999 ///////////////////////////////////////////////////////////////////
1001 // METHOD NAME : checksum
1002 // METHOD TYPE : std::string
1004 std::string checksum( const Pathname & file, const std::string &algorithm )
1006 if ( ! PathInfo( file ).isFile() ) {
1009 std::ifstream istr( file.asString().c_str() );
1013 return Digest::digest( algorithm, istr );
1016 bool is_checksum( const Pathname & file, const CheckSum &checksum )
1018 return ( filesystem::checksum(file, checksum.type()) == checksum.checksum() );
1021 ///////////////////////////////////////////////////////////////////
1023 // METHOD NAME : erase
1024 // METHOD TYPE : int
1026 int erase( const Pathname & path )
1029 PathInfo p( path, PathInfo::LSTAT );
1033 res = recursive_rmdir( path );
1035 res = unlink( path );
1040 ///////////////////////////////////////////////////////////////////
1042 // METHOD NAME : chmod
1043 // METHOD TYPE : int
1045 int chmod( const Pathname & path, mode_t mode )
1047 MIL << "chmod " << path << ' ' << str::octstring( mode );
1048 if ( ::chmod( path.asString().c_str(), mode ) == -1 ) {
1049 return logResult( errno );
1051 return logResult( 0 );
1054 int addmod( const Pathname & path, mode_t mode )
1056 mode_t omode( PathInfo( path ).st_mode() );
1057 mode_t tmode( omode | mode );
1058 if ( omode != mode )
1059 return chmod( path, tmode );
1063 int delmod( const Pathname & path, mode_t mode )
1065 mode_t omode( PathInfo( path ).st_mode() );
1066 mode_t tmode( omode & ~mode );
1067 if ( omode != mode )
1068 return chmod( path, tmode );
1072 //////////////////////////////////////////////////////////////////
1074 // METHOD NAME : zipType
1075 // METHOD TYPE : ZIP_TYPE
1077 ZIP_TYPE zipType( const Pathname & file )
1079 ZIP_TYPE ret = ZT_NONE;
1081 int fd = open( file.asString().c_str(), O_RDONLY|O_CLOEXEC );
1084 const int magicSize = 5;
1085 unsigned char magic[magicSize];
1086 memset( magic, 0, magicSize );
1087 if ( read( fd, magic, magicSize ) == magicSize ) {
1088 if ( magic[0] == 0037 && magic[1] == 0213 ) {
1090 } else if ( magic[0] == 'B' && magic[1] == 'Z' && magic[2] == 'h' ) {
1092 } else if ( magic[0] == '\0' && magic[1] == 'Z' && magic[2] == 'C' && magic[3] == 'K' && magic[4] == '1') {
1103 ///////////////////////////////////////////////////////////////////
1106 // METHOD TYPE : ByteCount
1108 ByteCount df( const Pathname & path_r )
1110 ByteCount ret( -1 );
1112 if ( statvfs( path_r.c_str(), &sb ) == 0 )
1114 ret = sb.f_bfree * sb.f_bsize;
1119 ///////////////////////////////////////////////////////////////////
1121 // METHOD NAME : getUmask
1122 // METHOD TYPE : mode_t
1126 mode_t mask = ::umask( 0022 );
1131 ///////////////////////////////////////////////////////////////////
1133 // METHOD NAME : getUmask
1134 // METHOD TYPE : mode_t
1136 int assert_file( const Pathname & path, unsigned mode )
1138 int ret = assert_dir( path.dirname() );
1139 MIL << "assert_file " << str::octstring( mode ) << " " << path;
1141 return logResult( ret );
1143 PathInfo pi( path );
1145 return logResult( pi.isFile() ? 0 : EEXIST );
1147 int fd = ::creat( path.c_str(), mode );
1149 return logResult( errno );
1152 return logResult( 0 );
1155 int assert_file_mode( const Pathname & path, unsigned mode )
1157 int ret = assert_dir( path.dirname() );
1158 MIL << "assert_file_mode " << str::octstring( mode ) << " " << path;
1160 return logResult( ret );
1162 PathInfo pi( path );
1165 if ( ! pi.isFile() )
1166 return logResult( EEXIST );
1168 mode = applyUmaskTo( mode );
1169 if ( pi.st_mode() != mode )
1170 return chmod( path, mode );
1172 return logResult( 0 );
1175 int fd = ::creat( path.c_str(), mode );
1177 return logResult( errno );
1179 return logResult( 0 );
1182 ///////////////////////////////////////////////////////////////////
1184 // METHOD NAME : touch
1185 // METHOD TYPE : int
1187 int touch (const Pathname & path)
1189 MIL << "touch " << path;
1190 struct ::utimbuf times;
1191 times.actime = ::time( 0 );
1192 times.modtime = ::time( 0 );
1193 if ( ::utime( path.asString().c_str(), × ) == -1 ) {
1194 return logResult( errno );
1196 return logResult( 0 );
1199 /////////////////////////////////////////////////////////////////
1200 } // namespace filesystem
1201 ///////////////////////////////////////////////////////////////////
1202 /////////////////////////////////////////////////////////////////
1204 ///////////////////////////////////////////////////////////////////