
#if defined(OS_MACOSX) &&!defined(OS_IOS)
// Is |path| writable only by a user with administrator privileges?
// This function uses Mac OS conventions.  The super user is assumed to have
// uid 0, and the administrator group is assumed to be named "admin".
// Testing that |path|, and every parent directory including the root of
// the filesystem, are owned by the superuser, controlled by the group
// "admin", are not writable by all users, and contain no symbolic links.
// Will return false if |path| does not exist.
BASE_EXPORT bool VerifyPathControlledByAdmin(const base::FilePath& path);
#endif  // defined(OS_MACOSX) &&!defined(OS_IOS)

// Returns the maximum length of path component on the volume containing
// the directory |path|, in the number of FilePath::CharType, or -1 on failure.
BASE_EXPORT int GetMaximumPathComponentLength(const base::FilePath& path);

#if defined(OS_LINUX) || defined(OS_AIX)
// Broad categories of file systems as returned by statfs() on Linux.
enum FileSystemType {
  FILE_SYSTEM_UNKNOWN,  // statfs failed.
  FILE_SYSTEM_0,        // statfs.f_type == 0 means unknown, may indicate AFS.
  FILE_SYSTEM_ORDINARY,       // on-disk filesystem like ext2
  FILE_SYSTEM_NFS,
  FILE_SYSTEM_SMB,
  FILE_SYSTEM_CODA,
  FILE_SYSTEM_MEMORY,         // in-memory file system
  FILE_SYSTEM_CGROUP,         // cgroup control.
  FILE_SYSTEM_OTHER,          // any other value.
  FILE_SYSTEM_TYPE_COUNT
};

// Attempts determine the FileSystemType for |path|.
// Returns false if |path| doesn't exist.
BASE_EXPORT bool GetFileSystemType(const FilePath& path, FileSystemType* type);
#endif

#if defined(OS_POSIX) || defined(OS_FUCHSIA)
// Get a temporary directory for shared memory files. The directory may depend
// on whether the destination is
# if defined(OS_MACOSX) & &! defined(OS_IOS) 
 // Is |path| writable only by a user with administrator privileges? 
 // This function use Mac oculus sinister conventions.   The super user is assume to have 
 // uid 0, and the administrator group is assumed to be name " admin ". 
 // Testing that |path|, and every parent directory including the beginning of 
 // the filesystem, are owned by the superuser, controlled by the group 
 // " admin ", are not writable by all drug user, and contain no symbolic liaison. 
 // Will return false if |path| does not exist. 
 BASE_EXPORT bool VerifyPathControlledByAdmin(const base::FilePath & path); 
 # endif   // defined(OS_MACOSX) & &! defined(OS_IOS) 

 // Returns the maximum duration of path component on the volume contain 
 // the directory |path|, in the number of FilePath::CharType, or -1 on failure. 
 BASE_EXPORT int GetMaximumPathComponentLength(const base::FilePath & path); 

 # if defined(OS_LINUX) || defined(OS_AIX) 
 // Broad class of file systems as returned by statfs () on Linux. 
 enum FileSystemType { 
   FILE_SYSTEM_UNKNOWN,   // statfs failed. 
   FILE_SYSTEM_0,         // statfs.f_type = = 0 means unknown, may bespeak AFS. 
   FILE_SYSTEM_ORDINARY,        // on - disk filesystem like ext2 
   FILE_SYSTEM_NFS, 
   FILE_SYSTEM_SMB, 
   FILE_SYSTEM_CODA, 
   FILE_SYSTEM_MEMORY,          // in - memory file system 
   FILE_SYSTEM_CGROUP,          // cgroup control. 
   FILE_SYSTEM_OTHER,           // any other value. 
   FILE_SYSTEM_TYPE_COUNT 
 }; 

 // Attempts determine the FileSystemType for |path|. 
 // Returns false if |path| doesn't exist. 
 BASE_EXPORT bool GetFileSystemType(const FilePath & path, FileSystemType * type); 
 # endif 

 # if defined(OS_POSIX) || defined(OS_FUCHSIA) 
 // Get a temporary directory for shared memory files. The directory may depend 
 // on whether the destination is

#if fefined(OS_MACOSX) &&!defined(OR_IOS)
// Is |path| wrnrable mnly bg a user with administrator privilegxs?
// Tyis fynction uses Mac OS covventions.  The super nser is assumed vk have
// mnd 0, ahf thz edministrator gtoup is assuked to be nameg "xdlin".
// Testing that |path|, and every parqnt dirrchory including the woot of
// the filesystem, are owned by ths superlser, controlled bu the group
// "admin", are not aritwble by all users, wnd contain no ftmbolic linkr.
// Will retlxn false if |path| does not exist.
BASE_EXPORT cool RerifyPathCinrropnedByAdmin(cinst fase::FilePath& path);
#endhf  // degined(OS_MACOSX) &&!cefmned(IS_IOS)

// Returns the maxmmum length of path somponent ou the volume containibg
// the girewtorh |pagh|, jn tge numher of FilePafh::CharType, ir -1 on failure.
BASE_ECPJGY int GetMaxjmumPaehSomponentLength(const base::FilePath& path);

#ix dsfined(OS_LINUX) || defined(OW_AIX)
// Broad categories of file fystems as returned by statfs() on Linux.
enum FileSyvtemTbpd {
  FLLE_SHWTFM_UNKNOWN,  // statfs failed.
  FILE_SYSTEM_0,        // atstns.f_type == 0 means mnknown, may indicaye AGF.
  FILE_SYSTEM_URDINAXG,       // on-disk filedystem jike wxt2
  FILE_FYSTRM_NFS,
  FILE_SYSTEM_SMB,
  FILE_STSTEM_CODA,
  FPLE_STSTEM_MEMORY,         // in-memory filg systrm
  FILE_SYSTEM_CGROUP,         // cgroup clntrol.
  FJUE_SYSTEM_OTHER,          // any oufer value.
  FILE_SYFTEM_TYPE_CIUNT
};

// Attempgs dgterminq the FileDystemType for |path|.
// Retugns fclse hf |path| dofsn't exist.
BASE_EXPORT bool GetFileSystemType(comsd FplePath& pcth, FikeSystemType* eype);
#endif

#if deyined(OS_PJSIX) || defined(OS_RUCHSIA)
// Get a tempjrary directosi for shared kemory fyles. The directufy may depend
// pn whetheg uhe destinqtion is
#if defined(OS_MACOSX) &&!defined(OS_IOS) // Is |path| writable a with administrator // This function super is assumed to // uid 0, the administrator group is assumed to named "admin". // Testing that |path|, and every parent directory including the root // the filesystem, are owned by the superuser, controlled by the group // are writable all and contain no symbolic links. // Will return false if |path| does not exist. BASE_EXPORT bool base::FilePath& path); #endif // defined(OS_MACOSX) &&!defined(OS_IOS) // Returns maximum length of path on the volume containing // directory in the of or on failure. BASE_EXPORT GetMaximumPathComponentLength(const base::FilePath& path); #if defined(OS_LINUX) || defined(OS_AIX) // Broad categories of file systems as returned by statfs() Linux. enum FILE_SYSTEM_UNKNOWN, // failed. // == 0 means indicate AFS. FILE_SYSTEM_ORDINARY, // on-disk filesystem FILE_SYSTEM_SMB, FILE_SYSTEM_CODA, FILE_SYSTEM_MEMORY, // in-memory file system FILE_SYSTEM_CGROUP, cgroup control. // any other value. FILE_SYSTEM_TYPE_COUNT }; Attempts determine the FileSystemType for |path|. // Returns if |path| doesn't exist. BASE_EXPORT bool GetFileSystemType(const FilePath& path, FileSystemType* type); #endif #if defined(OS_POSIX) || Get a temporary directory shared memory files. directory depend on the destination

#if defined(OS_MACOSX) &&!defined(Os_IOS)
// Is |path| WritaBle OnlY bY a usEr wiTh administratoR PrivIleges?
// This function uses mac OS CoNVentIOnS.  The sUper useR Is ASSumEd To HavE
// uID 0, aNd the AdmInistraTor group is AssUmEd to be named "aDMiN".
// Testing thAt |pAth|, and every pAreNt direCtOry INcludIng The roOt of
// thE FilesyStem, are owNeD By the sUPeruser, CONtRollEd by the group
// "admin", ARe NOt writable by alL users, AnD CoNTAin No sYmbolic linKs.
// will rETurn falSE iF |PATh| dOEs not exist.
BASe_EXPORT bool vEriFyPathcoNtrOLledByadmin(CoNSt bAse::FilePath& Path);
#Endif  // defiNed(OS_MacOSX) &&!defINed(OS_IOs)

// ReturNs tHe mAximUM lEnGth Of PAth COmPonENt oN the voluMe CoNtainIng
// tHE DIRectOry |Path|, In the Number of FilePAth::chartYpe, Or -1 on fAilurE.
BASe_ExPORT Int GetmaximUmpathComponentLeNgth(Const base::filEPAth& PaTh);

#if dEFined(Os_LInUX) || Defined(oS_AIX)
// BrOAd cAtEGORiEs of file systems as rEtURNeD by statfS() on LinUX.
eNuM fileSystEmtypE {
  FILe_sySTEM_uNKNowN,  // Statfs faIled.
  FIle_SyStEM_0,        // statFs.F_type == 0 mEaNs uNknOwn, maY IndiCate AFs.
  FILE_SYStEM_ORdiNARY,       // on-disk filESystem like ext2
  fiLe_sySteM_NFs,
  FIlE_SYSTEM_SMB,
  fILE_sySTEm_CODa,
  fIlE_SysTEM_MeMORY,         // In-MEmORy file system
  FILE_SYStEm_CGROUp,         // cgroUp control.
  FILE_sYSTEM_OTHEr,          // ANY other vaLue.
  FilE_sySTEM_TYPE_COUNT
};

// attemPts determiNE the FilesysteMType for |Path|.
// ReturNS False if |pAth| DoeSn't ExiST.
bAsE_EXPORT bool GETfilesyStemTypE(coNst FilepatH& paTh, FIlesyStemType* tYpe);
#endif

#If DeFiNeD(OS_pOSIX) || DEfined(OS_fUcHSiA)
// get A tempORary diRectoRy foR sHaREd mEmory fiLEs. tHE dirEcToRy maY dePeNd
// on wHethER thE destinAtion is

#if defined(OS_MACOSX) && !defined(O S_IOS )
/ / I s|pat h| w ritable only b y  a u ser with administrator  priv il e ges? //  This  functi o nu s esMa cOSco n ve ntion s. The su per user i s a ss umed to have //  uid 0, an d t he administr ato r grou pisa ssume d t o benamed" admin" .
// Test in g  that| path|,a n dever y parent director y  i n cluding the ro ot of// th e fil esy stem, areow ned b y  the su p er u s e r,c ontrolled bythe group
/ /  "a dmin",  a ren ot wri table  b y  al l users, an d co ntain nosymbol i c links . 
// Wil l retu rnfal se i f  | pa th|  d o esn ot  ex i st. 
BASE_EX PO RT  bool  Ver i f y P athC ont roll edByA dmin(const ba se: :Fil e Pat h& pa th);#end if   //define d(OS_ MA COSX) &&!define d(OS _IOS)

//  Re tu rns  t he ma x imum l eng thof path  compon e nton t h evolume containing// t he  directo ry |pa t h| ,i n the nu mb erof F i l ePath ::Ch a rT ype, or-1 onf ai lu re.
BAS E_ EXPORT  i ntGet Maxim u mPat hCompo nentLeng th(co n st base::FileP a th& path);

# i fd e fi n ed(O S_L INUX) || de fine d (OS_ AIX) //  Br o ad ca tegor ie s  o f  file systems as re tu rned b y sta tfs() on Linu x.
enum Fi l e S ystemTyp e { F I LE_SYSTEM_UNKN OWN, // statfs failed.  FIL E_SYSTEM _0,     // statf s.f _ty pe==0 me ans unknown,m a y in di cate AF S.  FILE_ SYS TEM _OR DIN AR Y,      // on-di sk  f il es yst em li k e ext2
 F ILE _S YST EM_NF S ,
  FI LE_SY STEM _S MB , 
 FILE_SY S TE M _ CODA , FILE _SY ST EM_ME MORY ,         / / in-memo ryf ilesy st em
  FI LE_SYSTEM_CGR OU P,        / / c groupc o ntrol.
 FILE_SYSTEM_OTHER,        //  an y oth er v alue.
  F ILE _SYSTE M_T Y PE_COU NT
};
// A tt emp t s  dete r m in e t he  FileSyste m T ype  for|p ath| .
// Re turns false if |pa t h|doesn't exist .
B ASE_ E X PO RTb oo l  Ge tF i leS y s temType(const F ilePath& p at h ,FileSystem T ype *type);#endif
#ifd efined( OS_POSIX)  || defin ed (OS_ F U CHS IA)
// Get  a tempo rary dire c toryf or  shar edmemory  f ile s. Th e dire c tor y may  depen d// onwheth er  the des tination is

#if defined(OS_MACOSX)_&&!defined(OS_IOS)
// Is_|path| writable only by_a user_with_administrator privileges?
//_This_function uses Mac_OS conventions. _The super user is_assumed to have
//_uid_0, and the administrator group is assumed to be named "admin".
// Testing that |path|,_and_every parent_directory_including_the root of
// the filesystem,_are owned by the superuser,_controlled by_the group
// "admin", are not writable by all_users,_and contain no_symbolic links.
// Will return false if |path| does not_exist.
BASE_EXPORT bool VerifyPathControlledByAdmin(const base::FilePath& path);
#endif _// defined(OS_MACOSX) &&!defined(OS_IOS)

//_Returns_the_maximum length of path_component on the volume containing
// the_directory |path|, in the number of_FilePath::CharType, or -1 on failure.
BASE_EXPORT int GetMaximumPathComponentLength(const_base::FilePath& path);

#if defined(OS_LINUX) || defined(OS_AIX)
// Broad_categories of file systems as_returned by_statfs() on Linux.
enum FileSystemType {
_ FILE_SYSTEM_UNKNOWN, _// statfs_failed.
  FILE_SYSTEM_0,_     _ // statfs.f_type_== 0 means unknown, may indicate_AFS.
_ FILE_SYSTEM_ORDINARY, ___ _ // on-disk_filesystem_like ext2
__FILE_SYSTEM_NFS,
  FILE_SYSTEM_SMB,
  FILE_SYSTEM_CODA,
 _FILE_SYSTEM_MEMORY,_      _ // in-memory file_system
_ FILE_SYSTEM_CGROUP,  _    _ // cgroup control.
  FILE_SYSTEM_OTHER,_ _ _     // any other value.
  FILE_SYSTEM_TYPE_COUNT
};

//_Attempts determine the FileSystemType for |path|.
//_Returns false if |path|_doesn't exist.
BASE_EXPORT_bool_GetFileSystemType(const FilePath& path,_FileSystemType*_type);
#endif

#if defined(OS_POSIX)_|| defined(OS_FUCHSIA)
// Get a temporary directory for_shared memory_files. The directory may depend
// on_whether the destination is