--- /dev/null
+###########################################################################
+# _ _ ____ _
+# Project ___| | | | _ \| |
+# / __| | | | |_) | |
+# | (__| |_| | _ <| |___
+# \___|\___/|_| \_\_____|
+#
+# Copyright (C) 2016, Evgeny Grin (Karlson2k), <k2k@narod.ru>.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
+
+# This Perl package helps with path transforming when running cURL tests on
+# Win32 platform with Msys or Cygwin.
+# Three main functions 'sys_native_abs_path', 'sys_native_path' and
+# 'build_sys_abs_path' autodetect format of given pathnames. Following formats
+# are supported:
+# (1) /some/path - absolute path in Unix-style
+# (2) D:/some/path - absolute path in Win32-style
+# (3) some/path - relative path
+# (4) D:some/path - path relative to current directory on Win32 drive (paths
+# like 'D:' are treated as 'D:./') (*)
+# (5) \some/path - path from root directory on current Win32 drive (*)
+# All forward '/' and back '\' slashes are treated identically except leading
+# slash in forms (1) and (5).
+# Forward slashes are simpler processed in Perl, do not require extra escaping
+# for shell (unlike back slashes) and accepted by Win32 native programs, so
+# all functions return paths with only forward slashes except
+# 'sys_native_path' which returns paths with first forward slash for form (5).
+# All returned paths don't contain any duplicated slashes, only single slashes
+# are used as directory separators on output.
+# On non-Windows platforms functions acts as transparent wrappers for similar
+# Perl's functions or return unmodified string (depending on functionality),
+# so all functions can be unconditionally used on all platforms.
+#
+# (*) CAUTION! Forms (4) and (5) are not recommended to use as they can be
+# interpreted incorrectly in Perl and Msys/Cygwin environment have low
+# control on Win32 current drive and Win32 current path on specific drive.
+
+
+package pathhelp;
+use strict;
+use warnings;
+use Cwd 'abs_path';
+
+BEGIN {
+ require Exporter;
+
+ our @ISA = qw(Exporter);
+
+ our @EXPORT = qw(
+ sys_native_abs_path
+ sys_native_path
+ );
+
+ our @EXPORT_OK = qw(
+ build_sys_abs_path
+ sys_native_current_path
+ normalize_path
+ os_is_win
+ $use_cygpath
+ should_use_cygpath
+ drives_mounted_on_cygdrive
+ );
+}
+
+
+#######################################################################
+# Block for cached static variables
+#
+{
+ # Cached static variable, Perl 5.0-compatible.
+ my $is_win = $^O eq 'MSWin32'
+ || $^O eq 'cygwin'
+ || $^O eq 'msys';
+
+ # Returns boolean true if OS is any form of Windows.
+ sub os_is_win {
+ return $is_win;
+ }
+
+ # Cached static variable, Perl 5.0-compatible.
+ my $cygdrive_present;
+
+ # Returns boolean true if Win32 drives mounted with '/cygdrive/' prefix.
+ sub drives_mounted_on_cygdrive {
+ return $cygdrive_present if defined $cygdrive_present;
+ $cygdrive_present = ((-e '/cygdrive/') && (-d '/cygdrive/')) ? 1 : 0;
+ return $cygdrive_present;
+ }
+}
+
+our $use_cygpath; # Only for Win32:
+ # undef - autodetect
+ # 1 - use cygpath
+ # 0 - do not use cygpath
+
+# Returns boolean true if 'cygpath' utility should be used for path conversion.
+sub should_use_cygpath {
+ unless (os_is_win()) {
+ $use_cygpath = 0;
+ return 0;
+ }
+ return $use_cygpath if defined $use_cygpath;
+
+ $use_cygpath = (qx{cygpath -u '.\\' 2>/dev/null} eq "./\n" && $? == 0);
+
+ return $use_cygpath;
+}
+
+#######################################################################
+# Performs path "normalization": all slashes converted to forward
+# slashes (except leading slash), all duplicated slashes are replaced
+# with single slashes, all relative directories ('./' and '../') are
+# resolved if possible.
+# Path processed as string, directories are not checked for presence so
+# path for not yet existing directory can be "normalized".
+#
+sub normalize_path;
+
+#######################################################################
+# Returns current working directory in Win32 format on Windows.
+#
+sub sys_native_current_path {
+ return Cwd::getcwd() unless os_is_win();
+
+ my $cur_dir;
+ if($^O eq 'msys') {
+ # MSys shell has built-in command.
+ chomp($cur_dir = `bash -c 'pwd -W'`);
+ if($? != 0) {
+ warn "Can't determine Win32 current directory.\n";
+ return undef;
+ }
+ # Add final slash if required.
+ $cur_dir .= '/' if length($cur_dir) > 3;
+ }
+ else {
+ # Do not use 'cygpath' - it falsely succeed on paths like '/cygdrive'.
+ $cur_dir = `cmd "/c;" echo %__CD__%`;
+ if($? != 0 || substr($cur_dir, 0, 1) eq '%') {
+ warn "Can't determine Win32 current directory.\n";
+ return undef;
+ }
+ # Remove both '\r' and '\n'.
+ $cur_dir =~ s{\n|\r}{}g;
+
+ # Replace back slashes with forward slashes.
+ $cur_dir =~ s{\\}{/}g;
+ }
+ return $cur_dir;
+}
+
+#######################################################################
+# Returns Win32 current drive letter with colon.
+#
+sub get_win32_current_drive {
+ # Notice parameter "/c;" - it's required to turn off Msys's
+ # transformation of '/c' and compatible with Cygwin.
+ my $drive_letter = `cmd "/c;" echo %__CD__:~0,2%`;
+ if($? != 0 || substr($drive_letter, 1, 1) ne ':') {
+ warn "Can't determine current Win32 drive letter.\n";
+ return undef;
+ }
+
+ return substr($drive_letter, 0, 2);
+}
+
+# Internal function. Converts path by using Msys's built-in transformation.
+# Returned path may contain duplicated and back slashes.
+sub do_msys_transform;
+
+# Internal function. Gets two parameters: first parameter must be single
+# drive letter ('c'), second optional parameter is path relative to drive's
+# current working directory. Returns Win32 absolute normalized path.
+sub get_abs_path_on_win32_drive;
+
+# Internal function. Tries to find or guess Win32 version of given
+# absolute Unix-style path. Other types of paths are not supported.
+# Returned paths contain only single forward slashes (no back and
+# duplicated slashes).
+# Last resort. Used only when other transformations are not available.
+sub do_dumb_guessed_transform;
+
+#######################################################################
+# Converts given path to system native format, i.e. to Win32 format on
+# Windows platform. Relative paths converted to relative, absolute
+# paths converted to absolute.
+#
+sub sys_native_path {
+ my ($path) = @_;
+
+ # Return untouched on non-Windows platforms.
+ return $path unless (os_is_win());
+
+ # Do not process empty path.
+ return $path if ($path eq '');
+
+ if($path =~ s{^([a-zA-Z]):$}{\u$1:}) {
+ # Path is single drive with colon. (C:)
+ # This type of paths is not processed correctly by 'cygpath'.
+ # WARNING!
+ # Be careful, this relative path can be accidentally transformed
+ # into wrong absolute path by adding to it some '/dirname' with
+ # slash at font.
+ return $path;
+ }
+ elsif($path =~ m{^\\} || $path =~ m{^[a-zA-Z]:[^/\\]}) {
+ # Path is a directory or filename on Win32 current drive or relative
+ # path on current directory on specific Win32 drive.
+ # ('\path' or 'D:path')
+ # First type of paths is not processed by Msys transformation and
+ # resolved to absolute path by 'cygpath'.
+ # Second type is not processed by Msys transformation and may be
+ # incorrectly processed by 'cygpath' (for paths like 'D:..\../.\')
+
+ my $first_char = ucfirst(substr($path, 0, 1));
+
+ # Replace any back and duplicated slashes with single forward slashes.
+ $path =~ s{[\\/]+}{/}g;
+
+ # Convert leading slash back to forward slash to indicate
+ # directory on Win32 current drive or capitalize drive letter.
+ substr($path, 0, 1) = $first_char;
+ return $path;
+ }
+ elsif(should_use_cygpath()) {
+ # 'cygpath' is available - use it.
+
+ # Remove leading duplicated forward and back slashes, as they may
+ # prevent transforming and may be not processed.
+ $path =~ s{^([\\/])[\\/]+}{$1}g;
+
+ my $has_final_slash = ($path =~ m{[/\\]$});
+
+ # Use 'cygpath', '-m' means Win32 path with forward slashes.
+ chomp($path = `cygpath -m '$path'`);
+ if ($? != 0) {
+ warn "Can't convert path by \"cygpath\".\n";
+ return undef;
+ }
+
+ # 'cygpath' may remove last slash for existing directories.
+ $path .= '/' if($has_final_slash);
+
+ # Remove any duplicated forward slashes (added by 'cygpath' for root
+ # directories)
+ $path =~ s{//+}{/}g;
+
+ return $path;
+ }
+ elsif($^O eq 'msys') {
+ # Msys transforms automatically path to Windows native form in staring
+ # program parameters if program is not Msys-based.
+
+ $path = do_msys_transform($path);
+ return undef unless defined $path;
+
+ # Capitalize drive letter for Win32 paths.
+ $path =~ s{^([a-z]:)}{\u$1};
+
+ # Replace any back and duplicated slashes with single forward slashes.
+ $path =~ s{[\\/]+}{/}g;
+ return $path;
+ }
+ elsif($path =~ s{^([a-zA-Z]):[/\\]}{\u$1:/}) {
+ # Path is already in Win32 form. ('C:\path')
+
+ # Replace any back and duplicated slashes with single forward slashes.
+ $path =~ s{[\\/]+}{/}g;
+ return $path;
+ }
+ elsif($path !~ m{^/}) {
+ # Path is in relative form. ('path/name', './path' or '../path')
+
+ # Replace any back and duplicated slashes with single forward slashes.
+ $path =~ s{[\\/]+}{/}g;
+ return $path;
+ }
+
+ # OS is Windows, but not Msys, path is absolute, path is not in Win32
+ # form and 'cygpath' is not available.
+ return do_dumb_guessed_transform($path);
+}
+
+#######################################################################
+# Converts given path to system native absolute path, i.e. to Win32
+# absolute format on Windows platform. Both relative and absolute
+# formats are supported for input.
+#
+sub sys_native_abs_path {
+ my ($path) = @_;
+
+ unless(os_is_win()) {
+ # Convert path to absolute form.
+ $path = Cwd::abs_path($path);
+
+ # Do not process further on non-Windows platforms.
+ return $path;
+ }
+
+ if($path =~ m{^([a-zA-Z]):($|[^/\\].*$)}) {
+ # Path is single drive with colon or relative path on Win32 drive.
+ # ('C:' or 'C:path')
+ # This kind of relative path is not processed correctly by 'cygpath'.
+ # Get specified drive letter
+ return get_abs_path_on_win32_drive($1, $2);
+ }
+ elsif($path eq '') {
+ # Path is empty string. Return current directory.
+ # Empty string processed correctly by 'cygpath'.
+
+ return sys_native_current_path();
+ }
+ elsif(should_use_cygpath()) {
+ # 'cygpath' is available - use it.
+
+ my $has_final_slash = ($path =~ m{[\\/]$});
+
+ # Remove leading duplicated forward and back slashes, as they may
+ # prevent transforming and may be not processed.
+ $path =~ s{^([\\/])[\\/]+}{$1}g;
+
+ print "Inter result: \"$path\"\n";
+ # Use 'cygpath', '-m' means Win32 path with forward slashes,
+ # '-a' means absolute path
+ chomp($path = `cygpath -m -a '$path'`);
+ if($? != 0) {
+ warn "Can't resolve path by usung \"cygpath\".\n";
+ return undef;
+ }
+
+ # 'cygpath' may remove last slash for existing directories.
+ $path .= '/' if($has_final_slash);
+
+ # Remove any duplicated forward slashes (added by 'cygpath' for root
+ # directories)
+ $path =~ s{//+}{/}g;
+
+ return $path
+ }
+ elsif($path =~ s{^([a-zA-Z]):[/\\]}{\u$1:/}) {
+ # Path is already in Win32 form. ('C:\path')
+
+ # Replace any possible back slashes with forward slashes,
+ # remove any duplicated slashes, resolve relative dirs.
+ return normalize_path($path);
+ }
+ elsif(substr($path, 0, 1) eq '\\' ) {
+ # Path is directory or filename on Win32 current drive. ('\Windows')
+
+ my $w32drive = get_win32_current_drive();
+ return undef unless defined $w32drive;
+
+ # Combine drive and path.
+ # Replace any possible back slashes with forward slashes,
+ # remove any duplicated slashes, resolve relative dirs.
+ return normalize_path($w32drive . $path);
+ }
+
+ unless (substr($path, 0, 1) eq '/') {
+ # Path is in relative form. Resolve relative directories in Unix form
+ # *BEFORE* converting to Win32 form otherwise paths like
+ # '../../../cygdrive/c/windows' will not be resolved.
+ my $cur_dir = `pwd -L`;
+ if($? != 0) {
+ warn "Can't determine current working directory.\n";
+ return undef;
+ }
+ chomp($cur_dir);
+
+ $path = $cur_dir . '/' . $path;
+ }
+
+ # Resolve relative dirs.
+ $path = normalize_path($path);
+ return undef unless defined $path;
+
+ if($^O eq 'msys') {
+ # Msys transforms automatically path to Windows native form in staring
+ # program parameters if program is not Msys-based.
+ $path = do_msys_transform($path);
+ return undef unless defined $path;
+
+ # Replace any back and duplicated slashes with single forward slashes.
+ $path =~ s{[\\/]+}{/}g;
+ return $path;
+ }
+ # OS is Windows, but not Msys, path is absolute, path is not in Win32
+ # form and 'cygpath' is not available.
+
+ return do_dumb_guessed_transform($path);
+}
+
+# Internal function. Converts given Unix-style absolute path to Win32 format.
+sub simple_transform_win32_to_unix;
+
+#######################################################################
+# Converts given path to build system format absolute path, i.e. to
+# Msys/Cygwin Unix-style absolute format on Windows platform. Both
+# relative and absolute formats are supported for input.
+#
+sub build_sys_abs_path {
+ my ($path) = @_;
+
+ unless(os_is_win()) {
+ # Convert path to absolute form.
+ $path = Cwd::abs_path($path);
+
+ # Do not process further on non-Windows platforms.
+ return $path;
+ }
+
+ if($path =~ m{^([a-zA-Z]):($|[^/\\].*$)}) {
+ # Path is single drive with colon or relative path on Win32 drive.
+ # ('C:' or 'C:path')
+ # This kind of relative path is not processed correctly by 'cygpath'.
+ # Get specified drive letter
+
+ # Resolve relative dirs in Win32-style path or paths like 'D:/../c/'
+ # will be resolved incorrectly.
+ # Replace any possible back slashes with forward slashes,
+ # remove any duplicated slashes.
+ $path = get_abs_path_on_win32_drive($1, $2);
+ return undef unless defined $path;
+
+ return simple_transform_win32_to_unix($path);
+ }
+ elsif($path eq '') {
+ # Path is empty string. Return current directory.
+ # Empty string processed correctly by 'cygpath'.
+
+ chomp($path = `pwd -L`);
+ if($? != 0) {
+ warn "Can't determine Unix-style current working directory.\n";
+ return undef;
+ }
+
+ # Add final slash if not at root dir.
+ $path .= '/' if length($path) > 2;
+ return $path;
+ }
+ elsif(should_use_cygpath()) {
+ # 'cygpath' is avalable - use it.
+
+ my $has_final_slash = ($path =~ m{[\\/]$});
+
+ # Resolve relative directories, as they may be not resolved for
+ # Unix-style paths.
+ # Remove duplicated slashes, as they may be not processed.
+ $path = normalize_path($path);
+ return undef unless defined $path;
+
+ # Use 'cygpath', '-u' means Unix-stile path,
+ # '-a' means absolute path
+ chomp($path = `cygpath -u -a '$path'`);
+ if($? != 0) {
+ warn "Can't resolve path by usung \"cygpath\".\n";
+ return undef;
+ }
+
+ # 'cygpath' removes last slash if path is root dir on Win32 drive.
+ # Restore it.
+ $path .= '/' if($has_final_slash &&
+ substr($path, length($path) - 1, 1) ne '/');
+
+ return $path
+ }
+ elsif($path =~ m{^[a-zA-Z]:[/\\]}) {
+ # Path is already in Win32 form. ('C:\path')
+
+ # Resolve relative dirs in Win32-style path otherwise paths
+ # like 'D:/../c/' will be resolved incorrectly.
+ # Replace any possible back slashes with forward slashes,
+ # remove any duplicated slashes.
+ $path = normalize_path($path);
+ return undef unless defined $path;
+
+ return simple_transform_win32_to_unix($path);
+ }
+ elsif(substr($path, 0, 1) eq '\\') {
+ # Path is directory or filename on Win32 current drive. ('\Windows')
+
+ my $w32drive = get_win32_current_drive();
+ return undef unless defined $w32drive;
+
+ # Combine drive and path.
+ # Resolve relative dirs in Win32-style path or paths like 'D:/../c/'
+ # will be resolved incorrectly.
+ # Replace any possible back slashes with forward slashes,
+ # remove any duplicated slashes.
+ $path = normalize_path($w32drive . $path);
+ return undef unless defined $path;
+
+ return simple_transform_win32_to_unix($path);
+ }
+
+ # Path is not in any Win32 form.
+ unless (substr($path, 0, 1) eq '/') {
+ # Path in relative form. Resolve relative directories in Unix form
+ # *BEFORE* converting to Win32 form otherwise paths like
+ # '../../../cygdrive/c/windows' will not be resolved.
+ my $cur_dir = `pwd -L`;
+ if($? != 0) {
+ warn "Can't determine current working directory.\n";
+ return undef;
+ }
+ chomp($cur_dir);
+
+ $path = $cur_dir . '/' . $path;
+ }
+
+ return normalize_path($path);
+}
+
+#######################################################################
+# Performs path "normalization": all slashes converted to forward
+# slashes (except leading slash), all duplicated slashes are replaced
+# with single slashes, all relative directories ('./' and '../') are
+# resolved if possible.
+# Path processed as string, directories are not checked for presence so
+# path for not yet existing directory can be "normalized".
+#
+sub normalize_path {
+ my ($path) = @_;
+
+ # Don't process empty paths.
+ return $path if $path eq '';
+
+ unless($path =~ m{(?:^|\\|/)\.{1,2}(?:\\|/|$)}) {
+ # Speed up processing of simple paths.
+ my $first_char = substr($path, 0, 1);
+ $path =~ s{[\\/]+}{/}g;
+ # Restore starting backslash if any.
+ substr($path, 0, 1) = $first_char;
+ return $path;
+ }
+
+ my @arr;
+ my $prefix;
+ my $have_root = 0;
+
+ # Check whether path starts from Win32 drive. ('C:path' or 'C:\path')
+ if($path =~ m{^([a-zA-Z]:(/|\\)?)(.*$)}) {
+ $prefix = $1;
+ $have_root = 1 if defined $2;
+ # Process path separately from drive letter.
+ @arr = split(m{\/|\\}, $3);
+ # Replace backslash with forward slash if required.
+ substr($prefix, 2, 1) = '/' if $have_root;
+ }
+ else {
+ if($path =~ m{^(\/|\\)}) {
+ $have_root = 1;
+ $prefix = $1;
+ }
+ else {
+ $prefix = '';
+ }
+ @arr = split(m{\/|\\}, $path);
+ }
+
+ my $p = 0;
+ my @res;
+
+ for my $el (@arr) {
+ if(length($el) == 0 || $el eq '.') {
+ next;
+ }
+ elsif($el eq '..' && @res > 0 && $res[$#res] ne '..') {
+ pop @res;
+ next;
+ }
+ push @res, $el;
+ }
+ if($have_root && @res > 0 && $res[0] eq '..') {
+ warn "Error processing path \"$path\": " .
+ "Parent directory of root directory does not exist!\n";
+ return undef;
+ }
+
+ my $ret = $prefix . join('/', @res);
+ $ret .= '/' if($path =~ m{\\$|/$} && scalar @res > 0);
+
+ return $ret;
+}
+
+# Internal function. Converts path by using Msys's built-in
+# transformation.
+sub do_msys_transform {
+ my ($path) = @_;
+ return undef if $^O ne 'msys';
+ return $path if $path eq '';
+
+ # Remove leading double forward slashes, as they turn off Msys
+ # transforming.
+ $path =~ s{^/[/\\]+}{/};
+
+ # Msys transforms automatically path to Windows native form in staring
+ # program parameters if program is not Msys-based.
+ # Note: already checked that $path is non-empty.
+ $path = `cmd //c echo '$path'`;
+ if($? != 0) {
+ warn "Can't transform path into Win32 form by using Msys" .
+ "internal transformation.\n";
+ return undef;
+ }
+
+ # Remove double quotes, they are added for paths with spaces,
+ # remove both '\r' and '\n'.
+ $path =~ s{^\"|\"$|\"\r|\n|\r}{}g;
+
+ return $path;
+}
+
+# Internal function. Gets two parameters: first parameter must be single
+# drive letter ('c'), second optional parameter is path relative to drive's
+# current working directory. Returns Win32 absolute normalized path.
+sub get_abs_path_on_win32_drive {
+ my ($drv, $rel_path) = @_;
+ my $res;
+
+ # Get current directory on specified drive.
+ # "/c;" is compatible with both Msys and Cygwin.
+ my $cur_dir_on_drv = `cmd "/c;" echo %=$drv:%`;
+ if($? != 0) {
+ warn "Can't determine Win32 current directory on drive $drv:.\n";
+ return undef;
+ }
+
+ if($cur_dir_on_drv =~ m{^[%]}) {
+ # Current directory on drive is not set, default is
+ # root directory.
+
+ $res = ucfirst($drv) . ':/';
+ }
+ else {
+ # Current directory on drive was set.
+ # Remove both '\r' and '\n'.
+ $cur_dir_on_drv =~ s{\n|\r}{}g;
+
+ # Append relative path part.
+ $res = $cur_dir_on_drv . '/';
+ }
+ $res .= $rel_path if defined $rel_path;
+
+ # Replace any possible back slashes with forward slashes,
+ # remove any duplicated slashes, resolve relative dirs.
+ return normalize_path($res);
+}
+
+# Internal function. Tries to find or guess Win32 version of given
+# absolute Unix-style path. Other types of paths are not supported.
+# Returned paths contain only single forward slashes (no back and
+# duplicated slashes).
+# Last resort. Used only when other transformations are not available.
+sub do_dumb_guessed_transform {
+ my ($path) = @_;
+
+ # Replace any possible back slashes and duplicated forward slashes
+ # with single forward slashes.
+ $path =~ s{[/\\]+}{/}g;
+
+ # Empty path is not valid.
+ return undef if (length($path) == 0);
+
+ # RE to find Win32 drive letter
+ my $drv_ltr_re = drives_mounted_on_cygdrive() ?
+ qr{^/cygdrive/([a-zA-Z])($|/.*$)} :
+ qr{^/([a-zA-Z])($|/.*$)};
+
+ # Check path whether path is Win32 directly mapped drive and try to
+ # transform it assuming that drive letter is matched to Win32 drive letter.
+ if($path =~ m{$drv_ltr_re}) {
+ return ucfirst($1) . ':/' if(length($2) == 0);
+ return ucfirst($1) . ':' . $2;
+ }
+
+ # This may be some custom mapped path. ('/mymount/path')
+
+ # Must check longest possible path component as subdir can be mapped to
+ # different directory. For example '/usr/bin/' can be mapped to '/bin/' or
+ # '/bin/' can be mapped to '/usr/bin/'.
+ my $check_path = $path;
+ my $path_tail = '';
+ do {
+ if(-d $check_path) {
+ my $res =
+ `(cd "$check_path" && cmd /c "echo %__CD__%") 2>/dev/null`;
+ if($? == 0 && substr($path, 0, 1) ne '%') {
+ # Remove both '\r' and '\n'.
+ $res =~ s{\n|\r}{}g;
+
+ # Replace all back slashes with forward slashes.
+ $res =~ s{\\}{/}g;
+
+ if(length($path_tail) > 0) {
+ return $res . $path_tail;
+ }
+ else {
+ $res =~ s{/$}{} unless $check_path =~ m{/$};
+ return $res;
+ }
+ }
+ }
+ if($check_path =~ m{(^.*/)([^/]+/*)}) {
+ $check_path = $1;
+ $path_tail = $2 . $path_tail;
+ }
+ else {
+ # Shouldn't happens as root '/' directory should always
+ # be resolvable.
+ warn "Can't determine Win32 directory for path \"$path\".\n";
+ return undef;
+ }
+ } while(1);
+}
+
+
+# Internal function. Converts given Unix-style absolute path to Win32 format.
+sub simple_transform_win32_to_unix {
+ my ($path) = @_;
+
+ if(should_use_cygpath()) {
+ # 'cygpath' gives precise result.
+ my $res;
+ chomp($res = `cygpath -a -u '$path'`);
+ if($? != 0) {
+ warn "Can't determine Unix-style directory for Win32 " .
+ "directory \"$path\".\n";
+ return undef;
+ }
+
+ # 'cygpath' removes last slash if path is root dir on Win32 drive.
+ $res .= '/' if(substr($res, length($res) - 1, 1) ne '/' &&
+ $path =~ m{[/\\]$});
+ return $res;
+ }
+
+ # 'cygpath' is not available, use guessed transformation.
+ unless($path =~ s{^([a-zA-Z]):(?:/|\\)}{/\l$1/}) {
+ warn "Can't determine Unix-style directory for Win32 " .
+ "directory \"$path\".\n";
+ return undef;
+ }
+
+ $path = '/cygdrive' . $path if(drives_mounted_on_cygdrive());
+ return $path;
+}
+
+1; # End of module
projects / thirdparty / curl.git / commitdiff
