changed handling of function params to fix bug #381319 exposed

* libexslt/functions.c: changed handling of function params
  to fix bug #381319
* libxslt/transform.[ch]: exposed xsltLocalVariablePush and
  xsltLocalVariablePop as global entries so that they could
  be used from within libexslt/functions.c
* tests/exslt/functions/function.9.[xsl,xml,out] added to
  regression tests

4 files changed, 39 insertions, 1 deletions

diff --git a/tests/exslt/functions/Makefile.am b/tests/exslt/functions/Makefile.am
index d5dc12fc..d1787460 100644
--- a/tests/exslt/functions/Makefile.am
+++ b/tests/exslt/functions/Makefile.am
@@ -11,7 +11,8 @@ EXTRA_DIST = 						\
 	function.5.out  function.5.xml  function.5.xsl  \
 	function.6.out  function.6.xml  function.6.xsl  \
 	function.7.out  function.7.xml  function.7.xsl  \
-	function.8.out  function.8.xml  function.8.xsl
+	function.8.out  function.8.xml  function.8.xsl  \
+	function.9.out  function.9.xml  function.9.xsl
 
 all:
 
diff --git a/tests/exslt/functions/function.9.out b/tests/exslt/functions/function.9.out
new file mode 100644
index 00000000..1224d967
--- /dev/null
+++ b/tests/exslt/functions/function.9.out
@@ -0,0 +1,6 @@
+<?xml version="1.0"?>
+
+  
+      a                 
+    
+
diff --git a/tests/exslt/functions/function.9.xml b/tests/exslt/functions/function.9.xml
new file mode 100644
index 00000000..6a3c717b
--- /dev/null
+++ b/tests/exslt/functions/function.9.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<root>
+  <table>
+    <tr>
+      <td align="center">a</td>                 
+    </tr>
+  </table>
+</root>
+
diff --git a/tests/exslt/functions/function.9.xsl b/tests/exslt/functions/function.9.xsl
new file mode 100644
index 00000000..72d9599c
--- /dev/null
+++ b/tests/exslt/functions/function.9.xsl
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xsl:stylesheet version="1.0"
+  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+  xmlns:exsl="http://exslt.org/common"
+  xmlns:func="http://exslt.org/functions"
+  xmlns:math="http://exslt.org/math"
+  xmlns:mg="mg"
+  extension-element-prefixes="exsl func">
+
+  <xsl:template match="table">          
+    <xsl:variable name="cols" select="mg:function(.)"/>         
+    <xsl:value-of select="$cols"/>
+  </xsl:template>       
+
+  <func:function name="mg:function">
+    <xsl:param name="table"/>
+    <xsl:param name="tr" select="$table/tr[1]"/>                
+    <func:result select="$tr"/>
+  </func:function>      
+</xsl:stylesheet>
+
+