From: Ilya Zakharevich <ilya@math.berkeley.edu>
Date: Mon, 2 Jul 2001 06:21:17 +0000 (-0400)
Subject: OS/2 cwd
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=f5f423e4590905c45492eda1312cb2f76a6ef9a7;p=p5sagit%2Fp5-mst-13.2.git

OS/2 cwd
Message-ID: <20010702062117.A1401@math.ohio-state.edu>

p4raw-id: //depot/perl@11084
---

diff --git a/lib/Cwd.pm b/lib/Cwd.pm
index 27a3105..632931b 100644
--- a/lib/Cwd.pm
+++ b/lib/Cwd.pm
@@ -85,6 +85,25 @@ use base qw/ Exporter /;
 our @EXPORT = qw(cwd getcwd fastcwd fastgetcwd);
 our @EXPORT_OK = qw(chdir abs_path fast_abs_path realpath fast_realpath);
 
+# sys_cwd may keep the builtin command
+
+# All the functionality of this module may provided by builtins,
+# there is no sense to process the rest of the file.
+# The best choice may be to have this in BEGIN, but how to return from BEGIN?
+
+if ($^O eq 'os2' && defined &sys_cwd && defined &sys_abspath) {
+    local $^W = 0;
+    *cwd		= \&sys_cwd;
+    *getcwd		= \&cwd;
+    *fastgetcwd		= \&cwd;
+    *fastcwd		= \&cwd;
+    *abs_path		= \&sys_abspath;
+    *fast_abs_path	= \&abs_path;
+    *realpath		= \&abs_path;
+    *fast_realpath	= \&abs_path;
+    return 1;
+}
+
 eval {
     require XSLoader;
     XSLoader::load('Cwd');
diff --git a/lib/File/Find/taint.t b/lib/File/Find/taint.t
index f640ef7..e4a292b 100644
--- a/lib/File/Find/taint.t
+++ b/lib/File/Find/taint.t
@@ -44,7 +44,7 @@ use File::Spec;
 use Cwd;
 
 
-my $NonTaintedCwd = $^O eq 'MSWin32' || $^O eq 'cygwin';
+my $NonTaintedCwd = $^O eq 'MSWin32' || $^O eq 'cygwin' || $^O eq 'os2';
 
 cleanup();
 
diff --git a/lib/FindBin.pm b/lib/FindBin.pm
index 5d4c575..91958a8 100644
--- a/lib/FindBin.pm
+++ b/lib/FindBin.pm
@@ -107,15 +107,15 @@ BEGIN
     }
    else
     {
-     my $IsWin32 = $^O eq 'MSWin32';
-     unless(($script =~ m#/# || ($IsWin32 && $script =~ m#\\#))
+     my $doshish = ($^O eq 'MSWin32' or $^O eq 'os2');
+     unless(($script =~ m#/# || ($dosish && $script =~ m#\\#))
             && -f $script)
       {
        my $dir;
        foreach $dir (File::Spec->path)
 	{
         my $scr = File::Spec->catfile($dir, $script);
-	if(-r $scr && (!$IsWin32 || -x _))
+	if(-r $scr && (!$dosish || -x _))
          {
           $script = $scr;
 
diff --git a/os2/os2.c b/os2/os2.c
index 03c06ed..d7d208e 100644
--- a/os2/os2.c
+++ b/os2/os2.c
@@ -1971,9 +1971,11 @@ XS(XS_Cwd_sys_abspath)
     {
 	STRLEN n_a;
 	char *	path = (char *)SvPV(ST(0),n_a);
-	char *	dir;
+	char *	dir, *s, *t, *e;
 	char p[MAXPATHLEN];
 	char *	RETVAL;
+	int l;
+	SV *sv;
 
 	if (items < 2)
 	    dir = NULL;
@@ -2063,8 +2065,26 @@ XS(XS_Cwd_sys_abspath)
 	      done:
 	    }
 	}
+	if (!RETVAL)
+	    XSRETURN_EMPTY;
+	/* Backslashes are already converted to slashes. */
+	/* Remove trailing slashes */
+	l = strlen(RETVAL);
+	while (l > 0 && RETVAL[l-1] == '/')
+	    l--;
 	ST(0) = sv_newmortal();
-	sv_setpv((SV*)ST(0), RETVAL);
+	sv_setpvn( sv = (SV*)ST(0), RETVAL, l);
+	/* Remove duplicate slashes */
+	s = t = 1 + SvPV_force(sv, n_a);
+	e = SvEND(sv);
+	while (s < e) {
+	    if (s[0] == t[-1] && s[0] == '/')
+		s++;				/* Skip duplicate / */
+	    else
+		*t++ = *s++;
+	}
+	*s = 0;
+	SvCUR_set(sv, s - SvPVX(sv));
     }
     XSRETURN(1);
 }