/usr/share/tcltk/vfs1.3/vfsUtils.tcl is in tcl-vfs 1.3-20080503-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 | # vfsUtils.tcl --
#
# $Id: vfsUtils.tcl,v 1.27 2004/07/04 23:42:04 andreas_kupries Exp $
package require Tcl 8.4
package require vfs
namespace eval ::vfs {
variable debug 0
if {[info exists ::env(VFS_DEBUG)]} {
set debug $::env(VFS_DEBUG)
}
}
# This can be overridden to use a different memchan implementation
proc ::vfs::memchan {args} {
::package require Memchan
uplevel 1 [list ::memchan] $args
}
# This can be overridden to use a different crc implementation
proc ::vfs::crc {args} {
::package require Trf
uplevel 1 [linsert [linsert $args end-1 "--"] 0 ::crc]
}
# This can be overridden to use a different zip implementation
proc ::vfs::zip {args} {
::package require Trf
uplevel 1 [linsert [linsert $args end-1 "--"] 0 ::zip]
}
proc ::vfs::autoMountExtension {ext cmd {pkg ""}} {
variable extMounts
set extMounts($ext) [list $cmd $pkg]
}
proc ::vfs::autoMountUrl {type cmd {pkg ""}} {
variable urlMounts
set urlMounts($type) [list $cmd $pkg]
}
proc ::vfs::log {msg {lvl 0}} {
if {$lvl < ${::vfs::debug}} {
#tclLog "vfs($lvl): $msg"
puts stderr $msg
}
}
proc ::vfs::RegisterMount {mountpoint unmountcmd} {
variable _unmountCmd
set _unmountCmd([file normalize $mountpoint]) $unmountcmd
}
proc ::vfs::unmount {mountpoint} {
variable _unmountCmd
set norm [file normalize $mountpoint]
uplevel \#0 $_unmountCmd($norm) [list $norm]
unset _unmountCmd($norm)
}
proc vfs::states {} {
return [list "readwrite" "translucent" "readonly"]
}
# vfs::attributes mountpoint ?-opt val? ?...-opt val?
proc ::vfs::attributes {mountpoint args} {
set handler [::vfs::filesystem info $mountpoint]
set res {}
if {[regsub -- "::handler" $handler ::attributes cmd]} {
set attrs [eval $cmd]
} else {
return -code error "No known attributes"
}
if {![llength $args]} {
foreach attr $attrs {
regsub -- "::handler" $handler ::$attr cmd
if {[catch $cmd val]} {
return -code error "error reading filesystem attribute\
\"$attr\": $val"
} else {
lappend res -$attr $val
}
}
return $res
}
while {[llength $args] > 1} {
set attr [string range [lindex $args 0] 1 end]
set val [lindex $args 1]
set args [lrange $args 2 end]
regsub -- "::handler" $handler ::$attr cmd
if {[catch {eval $cmd [list $val]} err]} {
return -code error "error setting filesystem attribute\
\"$attr\": $err"
} else {
set res $val
}
}
if {[llength $args]} {
set attr [string range [lindex $args 0] 1 end]
regsub -- "::handler" $handler ::$attr cmd
if {[catch $cmd val]} {
return -code error "error reading filesystem attribute\
\"$attr\": $val"
} else {
set res $val
}
}
return $res
}
proc vfs::attributeCantConfigure {attr val largs} {
switch -- [llength $largs] {
0 {
return $val
}
1 {
return -code error "Can't set $attr"
}
default {
return -code error "Wrong num args"
}
}
}
::vfs::autoMountExtension "" ::vfs::mk4::Mount vfs::mk4
::vfs::autoMountExtension .bin ::vfs::mk4::Mount vfs::mk4
::vfs::autoMountExtension .kit ::vfs::mk4::Mount vfs::mk4
::vfs::autoMountExtension .tar ::vfs::tar::Mount vfs::tar
::vfs::autoMountExtension .zip ::vfs::zip::Mount vfs::zip
::vfs::autoMountUrl ftp ::vfs::ftp::Mount vfs::ftp
::vfs::autoMountUrl file ::vfs::fileUrlMount vfs
::vfs::autoMountUrl tclns ::vfs::tclprocMount vfs::ns
proc ::vfs::haveMount {url} {
variable mounted
info exists mounted($url)
}
proc ::vfs::urlMount {url args} {
::vfs::log "$url $args"
variable urlMounts
if {[regexp {^([a-zA-Z]+)://(.*)} $url "" urltype rest]} {
if {[info exists urlMounts($urltype)]} {
#::vfs::log "automounting $path"
foreach {cmd pkg} $urlMounts($urltype) {}
if {[string length $pkg]} {
package require $pkg
}
eval $cmd [list $url] $args
variable mounted
set mounted($url) 1
return
}
return -code error "Unknown url type '$urltype'"
}
return -code error "Couldn't parse url $url"
}
proc ::vfs::fileUrlMount {url args} {
# Strip off the leading 'file://'
set file [string range $url 7 end]
eval [list ::vfs::auto $file] $args
}
proc ::vfs::tclprocMount {url args} {
# Strip off the leading 'tclns://'
set ns [string range $url 8 end]
eval [list ::vfs::tclproc::Mount $ns] $args
}
proc ::vfs::auto {filename args} {
variable extMounts
set np {}
set split [::file split $filename]
foreach ele $split {
lappend np $ele
set path [::file normalize [eval [list ::file join] $np]]
if {[::file isdirectory $path]} {
# already mounted
continue
} elseif {[::file isfile $path]} {
set ext [string tolower [::file extension $ele]]
if {[::info exists extMounts($ext)]} {
#::vfs::log "automounting $path"
foreach {cmd pkg} $extMounts($ext) {}
if {[string length $pkg]} {
package require $pkg
}
eval $cmd [list $path $path] $args
} else {
continue
}
} else {
# It doesn't exist, so just return
# return -code error "$path doesn't exist"
return
}
}
}
# Helper procedure for vfs matchindirectory
# implementations. It is very important that
# we match properly when given 'directory'
# specifications, since this is used for
# recursive globbing by Tcl.
proc vfs::matchCorrectTypes {types filelist {inDir ""}} {
if {$types != 0} {
# Which types to return. We must do special
# handling of directories and files.
set file [matchFiles $types]
set dir [matchDirectories $types]
if {$file && $dir} {
return $filelist
}
if {$file == 0 && $dir == 0} {
return [list]
}
set newres [list]
set subcmd [expr {$file ? "isfile" : "isdirectory"}]
if {[string length $inDir]} {
foreach r $filelist {
if {[::file $subcmd [file join $inDir $r]]} {
lappend newres $r
}
}
} else {
foreach r $filelist {
if {[::file $subcmd $r]} {
lappend newres $r
}
}
}
set filelist $newres
}
return $filelist
}
# Convert integer mode to a somewhat preferable string.
proc vfs::accessMode {mode} {
lindex [list F X W XW R RX RW] $mode
}
proc vfs::matchDirectories {types} {
return [expr {$types == 0 ? 1 : $types & (1<<2)}]
}
proc vfs::matchFiles {types} {
return [expr {$types == 0 ? 1 : $types & (1<<4)}]
}
proc vfs::modeToString {mode} {
# Turn a POSIX open 'mode' set of flags into a more readable
# string 'r', 'w', 'w+', 'a', etc.
set res ""
if {$mode & 1} {
append res "r"
} elseif {$mode & 2} {
if {$mode & 16} {
append res "w"
} else {
append res "a"
}
}
if {$mode & 4} {
append res "+"
}
set res
}
# These lists are used to convert attribute indices into the string equivalent.
# They are copied from Tcl's C sources. There is no need for them to be
# the same as in the native filesystem; we can use completely different
# attribute sets. However some items, like '-longname' it is probably
# best to implement.
set vfs::attributes(windows) [list -archive -hidden -longname -readonly -shortname -system -vfs]
set vfs::attributes(macintosh) [list -creator -hidden -readonly -type -vfs]
set vfs::attributes(unix) [list -group -owner -permissions -vfs]
proc vfs::listAttributes {} {
variable attributes
global tcl_platform
set attributes($tcl_platform(platform))
}
proc vfs::indexToAttribute {idx} {
return [lindex [listAttributes] $idx]
}
proc vfs::attributesGet {root stem index} {
# Return standard Tcl result, or error.
set attribute [indexToAttribute $index]
switch -- $attribute {
"-longname" {
# We always use the normalized form!
return [file join $root $stem]
}
"-shortname" {
set rootdir [file attributes [file dirname $root] -shortname]
return [file join $rootdir [file tail $root] $stem]
}
"-archive" {
return 0
}
"-hidden" {
return 0
}
"-readonly" {
return 0
}
"-system" {
return 0
}
"-vfs" {
return 1
}
"-owner" {
return
}
"-group" {
return
}
}
}
proc vfs::attributesSet {root stem index val} {
# Return standard Tcl result, or error.
set attribute [indexToAttribute $index]
#::vfs::log "$attribute"
switch -- $attribute {
"-owner" -
"-group" -
"-archive" -
"-hidden" -
"-permissions" {
return
}
"-longname" {
return -code error "no such luck"
}
"-vfs" {
return -code error "read-only"
}
}
}
proc vfs::posixError {name} {
variable posix
return $posix($name)
}
set vfs::posix(EPERM) 1 ;# Operation not permitted
set vfs::posix(ENOENT) 2 ;# No such file or directory
set vfs::posix(ESRCH) 3 ;# No such process
set vfs::posix(EINTR) 4 ;# Interrupted system call
set vfs::posix(EIO) 5 ;# Input/output error
set vfs::posix(ENXIO) 6 ;# Device not configured
set vfs::posix(E2BIG) 7 ;# Argument list too long
set vfs::posix(ENOEXEC) 8 ;# Exec format error
set vfs::posix(EBADF) 9 ;# Bad file descriptor
set vfs::posix(ECHILD) 10 ;# No child processes
set vfs::posix(EDEADLK) 11 ;# Resource deadlock avoided
;# 11 was EAGAIN
set vfs::posix(ENOMEM) 12 ;# Cannot allocate memory
set vfs::posix(EACCES) 13 ;# Permission denied
set vfs::posix(EFAULT) 14 ;# Bad address
set vfs::posix(ENOTBLK) 15 ;# Block device required
set vfs::posix(EBUSY) 16 ;# Device busy
set vfs::posix(EEXIST) 17 ;# File exists
set vfs::posix(EXDEV) 18 ;# Cross-device link
set vfs::posix(ENODEV) 19 ;# Operation not supported by device
set vfs::posix(ENOTDIR) 20 ;# Not a directory
set vfs::posix(EISDIR) 21 ;# Is a directory
set vfs::posix(EINVAL) 22 ;# Invalid argument
set vfs::posix(ENFILE) 23 ;# Too many open files in system
set vfs::posix(EMFILE) 24 ;# Too many open files
set vfs::posix(ENOTTY) 25 ;# Inappropriate ioctl for device
set vfs::posix(ETXTBSY) 26 ;# Text file busy
set vfs::posix(EFBIG) 27 ;# File too large
set vfs::posix(ENOSPC) 28 ;# No space left on device
set vfs::posix(ESPIPE) 29 ;# Illegal seek
set vfs::posix(EROFS) 30 ;# Read-only file system
set vfs::posix(EMLINK) 31 ;# Too many links
set vfs::posix(EPIPE) 32 ;# Broken pipe
set vfs::posix(EDOM) 33 ;# Numerical argument out of domain
set vfs::posix(ERANGE) 34 ;# Result too large
set vfs::posix(EAGAIN) 35 ;# Resource temporarily unavailable
set vfs::posix(EWOULDBLOCK) 35 ;# Operation would block
set vfs::posix(EINPROGRESS) 36 ;# Operation now in progress
set vfs::posix(EALREADY) 37 ;# Operation already in progress
set vfs::posix(ENOTSOCK) 38 ;# Socket operation on non-socket
set vfs::posix(EDESTADDRREQ) 39 ;# Destination address required
set vfs::posix(EMSGSIZE) 40 ;# Message too long
set vfs::posix(EPROTOTYPE) 41 ;# Protocol wrong type for socket
set vfs::posix(ENOPROTOOPT) 42 ;# Protocol not available
set vfs::posix(EPROTONOSUPPORT) 43 ;# Protocol not supported
set vfs::posix(ESOCKTNOSUPPORT) 44 ;# Socket type not supported
set vfs::posix(EOPNOTSUPP) 45 ;# Operation not supported on socket
set vfs::posix(EPFNOSUPPORT) 46 ;# Protocol family not supported
set vfs::posix(EAFNOSUPPORT) 47 ;# Address family not supported by protocol family
set vfs::posix(EADDRINUSE) 48 ;# Address already in use
set vfs::posix(EADDRNOTAVAIL) 49 ;# Can't assign requested address
set vfs::posix(ENETDOWN) 50 ;# Network is down
set vfs::posix(ENETUNREACH) 51 ;# Network is unreachable
set vfs::posix(ENETRESET) 52 ;# Network dropped connection on reset
set vfs::posix(ECONNABORTED) 53 ;# Software caused connection abort
set vfs::posix(ECONNRESET) 54 ;# Connection reset by peer
set vfs::posix(ENOBUFS) 55 ;# No buffer space available
set vfs::posix(EISCONN) 56 ;# Socket is already connected
set vfs::posix(ENOTCONN) 57 ;# Socket is not connected
set vfs::posix(ESHUTDOWN) 58 ;# Can't send after socket shutdown
set vfs::posix(ETOOMANYREFS) 59 ;# Too many references: can't splice
set vfs::posix(ETIMEDOUT) 60 ;# Connection timed out
set vfs::posix(ECONNREFUSED) 61 ;# Connection refused
set vfs::posix(ELOOP) 62 ;# Too many levels of symbolic links
set vfs::posix(ENAMETOOLONG) 63 ;# File name too long
set vfs::posix(EHOSTDOWN) 64 ;# Host is down
set vfs::posix(EHOSTUNREACH) 65 ;# No route to host
set vfs::posix(ENOTEMPTY) 66 ;# Directory not empty
set vfs::posix(EPROCLIM) 67 ;# Too many processes
set vfs::posix(EUSERS) 68 ;# Too many users
set vfs::posix(EDQUOT) 69 ;# Disc quota exceeded
set vfs::posix(ESTALE) 70 ;# Stale NFS file handle
set vfs::posix(EREMOTE) 71 ;# Too many levels of remote in path
set vfs::posix(EBADRPC) 72 ;# RPC struct is bad
set vfs::posix(ERPCMISMATCH) 73 ;# RPC version wrong
set vfs::posix(EPROGUNAVAIL) 74 ;# RPC prog. not avail
set vfs::posix(EPROGMISMATCH) 75 ;# Program version wrong
set vfs::posix(EPROCUNAVAIL) 76 ;# Bad procedure for program
set vfs::posix(ENOLCK) 77 ;# No locks available
set vfs::posix(ENOSYS) 78 ;# Function not implemented
set vfs::posix(EFTYPE) 79 ;# Inappropriate file type or format
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