diff options
Diffstat (limited to 'winsup/cygwin/path.h')
-rw-r--r-- | winsup/cygwin/path.h | 79 |
1 files changed, 56 insertions, 23 deletions
diff --git a/winsup/cygwin/path.h b/winsup/cygwin/path.h index cd5656d80..b6ab6cf9f 100644 --- a/winsup/cygwin/path.h +++ b/winsup/cygwin/path.h @@ -8,6 +8,19 @@ This software is a copyrighted work licensed under the terms of the Cygwin license. Please consult the file "CYGWIN_LICENSE" for details. */ +#include "devices.h" + +#include <sys/ioctl.h> +#include <fcntl.h> + +enum executable_states +{ + is_executable, + dont_care_if_executable, + not_executable = dont_care_if_executable, + dont_know_if_executable +}; + struct suffix_info { const char *name; @@ -60,13 +73,20 @@ enum path_types class symlink_info; struct fs_info { - char name[MAX_PATH]; - char root_dir[MAX_PATH]; - DWORD flags; - DWORD serial; - DWORD sym_opt; /* additional options to pass to symlink_info resolver */ - DWORD is_remote_drive; - DWORD drive_type; + char name_storage[MAX_PATH]; + char root_dir_storage[MAX_PATH]; + DWORD flags_storage; + DWORD serial_storage; + DWORD sym_opt_storage; /* additional options to pass to symlink_info resolver */ + bool is_remote_drive_storage; + DWORD drive_type_storage; + inline char* name () const {return (char *) name_storage;} + inline char* root_dir () const {return (char *) root_dir_storage;} + inline DWORD& flags () {return flags_storage;}; + inline DWORD& serial () {return serial_storage;}; + inline DWORD& sym_opt () {return sym_opt_storage;}; + inline bool& is_remote_drive () {return is_remote_drive_storage;}; + inline DWORD& drive_type () {return drive_type_storage;}; bool update (const char *); }; @@ -80,12 +100,11 @@ class path_conv unsigned path_flags; char *known_suffix; int error; - DWORD devn; - int unit; + device dev; BOOL case_clash; int isdisk () const { return path_flags & PATH_ISDISK;} - int isremote () const {return fs.is_remote_drive;} + bool& isremote () {return fs.is_remote_drive ();} int has_acls () const {return path_flags & PATH_HASACLS;} int has_symlinks () const {return path_flags & PATH_HAS_SYMLINKS;} int hasgood_inode () const {return path_flags & PATH_HASACLS;} // Not strictly correct @@ -101,6 +120,11 @@ class path_conv } int issymlink () const {return path_flags & PATH_SYMLINK;} int is_lnk_symlink () const {return path_flags & PATH_LNK;} + int isdevice () const {return dev.devn && dev.devn != FH_FS && dev.devn != FH_FIFO;} + int isfifo () const {return dev == FH_FIFO;} + int isspecial () const {return dev.devn && dev.devn != FH_FS;} + int is_auto_device () const {return isdevice () && !is_fs_special ();} + int is_fs_special () const {return isspecial () && dev.isfs ();} int issocket () const {return path_flags & PATH_SOCKET;} int iscygexec () const {return path_flags & PATH_CYGWIN_EXEC;} bool exists () const {return fileattr != INVALID_FILE_ATTRIBUTES;} @@ -121,7 +145,7 @@ class path_conv void set_binary () {path_flags |= PATH_BINARY;} void set_symlink () {path_flags |= PATH_SYMLINK;} void set_has_symlinks () {path_flags |= PATH_HAS_SYMLINKS;} - void set_isdisk () {path_flags |= PATH_ISDISK; devn = FH_DISK;} + void set_isdisk () {path_flags |= PATH_ISDISK; dev.devn = FH_FS;} void set_exec (int x = 1) {path_flags |= x ? PATH_EXEC : PATH_NOTEXEC;} void set_has_acls (int x = 1) {path_flags |= x ? PATH_HASACLS : PATH_NOTHING;} void set_has_buggy_open (int x = 1) {path_flags |= x ? PATH_HASBUGGYOPEN : PATH_NOTHING;} @@ -129,6 +153,9 @@ class path_conv void check (const char *src, unsigned opt = PC_SYM_FOLLOW, const suffix_info *suffixes = NULL) __attribute__ ((regparm(3))); + path_conv (const device& in_dev): fileattr (INVALID_FILE_ATTRIBUTES), + path_flags (0), known_suffix (NULL), error (0), dev (in_dev) {} + path_conv (int, const char *src, unsigned opt = PC_SYM_FOLLOW, const suffix_info *suffixes = NULL) { @@ -142,8 +169,8 @@ class path_conv } path_conv (): fileattr (INVALID_FILE_ATTRIBUTES), path_flags (0), - known_suffix (NULL), error (0), devn (0), unit (0), - normalized_path (NULL) {path[0] = '\0';} + known_suffix (NULL), error (0), normalized_path (NULL) + {path[0] = '\0';} inline char *get_win32 () { return path; } operator char *() {return path;} @@ -151,21 +178,26 @@ class path_conv operator DWORD &() {return fileattr;} operator int () {return fileattr; } char operator [](int i) const {return path[i];} - BOOL is_device () {return devn != FH_BAD && devn != FH_DISK;} - DWORD get_devn () {return devn == FH_BAD ? (DWORD) FH_DISK : devn;} - short get_unitn () {return devn == FH_BAD ? 0 : unit;} + DWORD get_devn () {return dev.devn;} + short get_unitn () {return dev.minor;} DWORD file_attributes () {return fileattr;} - DWORD drive_type () {return fs.drive_type;} - DWORD fs_flags () {return fs.flags;} - BOOL fs_fast_ea () {return fs.sym_opt & PC_CHECK_EA;} + DWORD drive_type () {return fs.drive_type ();} + DWORD fs_flags () {return fs.flags ();} + BOOL fs_fast_ea () {return fs.sym_opt () & PC_CHECK_EA;} void set_path (const char *p) {strcpy (path, p);} - char *return_and_clear_normalized_path (); - const char * root_dir () { return fs.root_dir; } - DWORD volser () { return fs.serial; } - const char *volname () {return fs.name; } + const char * root_dir () const { return fs.root_dir (); } + DWORD volser () { return fs.serial (); } + const char *volname () {return fs.name (); } void fillin (HANDLE h); + inline size_t size () + { + return (sizeof (*this) - sizeof (path)) + strlen (path) + 1 + normalized_path_size; + } + unsigned __stdcall ndisk_links (DWORD); char *normalized_path; + size_t normalized_path_size; + void set_normalized_path (const char *) __attribute__ ((regparm (2))); private: char path[MAX_PATH]; }; @@ -222,6 +254,7 @@ int path_prefix_p (const char *path1, const char *path2, int len1) __attribute__ #define MAX_ETC_FILES 2 class etc { + friend class dtable; static int curr_ix; static bool change_possible[MAX_ETC_FILES + 1]; static const char *fn[MAX_ETC_FILES + 1]; |