From 8c6040fe85cad9ab5bb5452596ea1107e155f450 Mon Sep 17 00:00:00 2001
From: ericm <ericm>
Date: Wed, 19 Jul 2000 21:40:56 +0000
Subject: * tests/pkgMkIndex.test: Added tests for pkg_compareExtension.

* library/package.tcl: Enhanced pkg_compareExtension to handle
Unixes which tack the version number on to the end of library
names (eg, foo.so.1.2); such filenames will be correctly matched.
(Patch from Vince Darley).
---
 ChangeLog             |  7 +++++++
 library/package.tcl   | 29 +++++++++++++++++++++++------
 tests/pkgMkIndex.test | 22 +++++++++++++++++++++-
 3 files changed, 51 insertions(+), 7 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index e82f48e..0001618 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
 2000-07-19  Eric Melski  <ericm@ajubasolutions.com>
 
+	* tests/pkgMkIndex.test: Added tests for pkg_compareExtension.
+
+	* library/package.tcl: Enhanced pkg_compareExtension to handle
+	Unixes which tack the version number on to the end of library
+	names (eg, foo.so.1.2); such filenames will be correctly matched.
+	(Patch from Vince Darley).
+
 	* win/makefile.vc: Applied patch from Don Porter to provide better
 	nmake support for NT/Alpha [RFE: 5938].
 
diff --git a/library/package.tcl b/library/package.tcl
index c3f3572..09886f0 100644
--- a/library/package.tcl
+++ b/library/package.tcl
@@ -3,7 +3,7 @@
 # utility procs formerly in init.tcl which can be loaded on demand
 # for package management.
 #
-# RCS: @(#) $Id: package.tcl,v 1.14 2000/04/23 03:36:51 jingham Exp $
+# RCS: @(#) $Id: package.tcl,v 1.15 2000/07/19 21:40:57 ericm Exp $
 #
 # Copyright (c) 1991-1993 The Regents of the University of California.
 # Copyright (c) 1994-1998 Sun Microsystems, Inc.
@@ -33,13 +33,30 @@ namespace eval ::pkg {
 
 proc pkg_compareExtension { fileName {ext {}} } {
     global tcl_platform
-    if {[string length $ext] == 0} {
-	set ext [info sharedlibextension]
-    }
+    if {![string length $ext]} {set ext [info sharedlibextension]}
     if {[string equal $tcl_platform(platform) "windows"]} {
-	return [string equal -nocase [file extension $fileName] $ext]
+        return [string equal -nocase [file extension $fileName] $ext]
     } else {
-	return [string equal [file extension $fileName] $ext]
+        # Some unices add trailing numbers after the .so, so
+        # we could have something like '.so.1.2'.
+        set root $fileName
+        while {1} {
+            set currExt [file extension $root]
+            if {[string equal $currExt $ext]} {
+                return 1
+            } 
+
+	    # The current extension does not match; if it is not a numeric
+	    # value, quit, as we are only looking to ignore version number
+	    # extensions.  Otherwise we might return 1 in this case:
+	    #		pkg_compareExtension foo.so.bar .so
+	    # which should not match.
+
+	    if { ![string is integer -strict [string range $currExt 1 end]] } {
+		return 0
+	    }
+            set root [file rootname $root]
+	}
     }
 }
 
diff --git a/tests/pkgMkIndex.test b/tests/pkgMkIndex.test
index 928d2e9..af0d5c6 100644
--- a/tests/pkgMkIndex.test
+++ b/tests/pkgMkIndex.test
@@ -8,7 +8,7 @@
 # Copyright (c) 1998-1999 by Scriptics Corporation.
 # All rights reserved.
 #
-# RCS: @(#) $Id: pkgMkIndex.test,v 1.16 2000/04/10 17:19:03 ericm Exp $
+# RCS: @(#) $Id: pkgMkIndex.test,v 1.17 2000/07/19 21:40:57 ericm Exp $
 
 if {[lsearch [namespace children] ::tcltest] == -1} {
     package require tcltest
@@ -362,6 +362,26 @@ test pkgMkIndex-13.1 {proc names with embedded spaces} {
     pkgtest::runIndex -lazy $fullPkgPath spacename.tcl
 } {0 {{spacename:1.0 {tclPkgSetup {spacename.tcl source {{a b} {c d}}}}}}}
 
+# Test the pkg_compareExtension helper function
+test pkgMkIndex-14.1 {pkg_compareExtension} {unixOnly} {
+    pkg_compareExtension foo.so .so
+} 1
+test pkgMkIndex-14.2 {pkg_compareExtension} {unixOnly} {
+    pkg_compareExtension foo.so.bar .so
+} 0
+test pkgMkIndex-14.3 {pkg_compareExtension} {unixOnly} {
+    pkg_compareExtension foo.so.1 .so
+} 1
+test pkgMkIndex-14.4 {pkg_compareExtension} {unixOnly} {
+    pkg_compareExtension foo.so.1.2 .so
+} 1
+test pkgMkIndex-14.5 {pkg_compareExtension} {unixOnly} {
+    pkg_compareExtension foo .so
+} 0
+test pkgMkIndex-14.6 {pkg_compareExtension} {unixOnly} {
+    pkg_compareExtension foo.so.1.2.bar .so
+} 0
+
 # cleanup
 
 namespace delete pkgtest
-- 
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