Revert rev 11187 "Merged with recent changes from trunk."

This reverts commit c595e4d90ebfd63eb55430c735bb121cf690bd59.

Conflicts:

	Source/Modules/c.cxx

From: William S Fulton <wsf@fultondesigns.co.uk>

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/branches/gsoc2008-maciekd@13033 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/php4/cpointer/Makefile

@@ -0,0 +1,24 @@
+TOP        = ../..
+SWIG       = $(TOP)/../preinst-swig
+SRCS       = example.c
+TARGET     = example
+INTERFACE  = example.i
+LIBS       =
+SWIGOPT    =
+
+all::
+	$(MAKE) -f $(TOP)/Makefile SRCS='$(SRCS)' SWIG='$(SWIG)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' \
+	php4
+
+static::
+	$(MAKE) -f $(TOP)/Makefile SRCS='$(SRCS)' SWIG='$(SWIG)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='myphp4' INTERFACE='$(INTERFACE)' \
+	php4_static
+
+clean::
+	$(MAKE) -f $(TOP)/Makefile php4_clean
+	rm -f $(TARGET).php
+
+check: all
+	$(MAKE) -f $(TOP)/Makefile php4_run

Examples/php4/cpointer/example.c

@@ -0,0 +1,16 @@
+/* File : example.c */
+
+void add(double *x, double *y, double  *result) {
+  *result = *x + *y;
+}
+
+void sub(int *x, int *y, int *result) {
+  *result = *x - *y;
+}
+
+int divide(int n, int d, int *r) {
+   int q;
+   q = n/d;
+   *r = n - q*d;
+   return q;
+}

Examples/php4/cpointer/example.i

@@ -0,0 +1,26 @@
+/* File : example.i */
+%module example
+
+/* This example illustrates a couple of different techniques
+   for manipulating C pointers */
+
+/* First we'll use the pointer library */
+extern void add(int *x, int *y, int *result);
+
+%include cpointer.i
+%pointer_functions(int, intp);
+
+/* Next we'll use some typemaps */
+
+%include typemaps.i
+extern void sub(int *INPUT, int *INPUT, int *OUTPUT);
+
+/* Next we'll use typemaps and the %apply directive */
+
+//%apply int *OUTPUT { int *r };
+//extern int divide(int n, int d, int *r);
+
+
+
+
+

Examples/php4/cpointer/runme.php4

@@ -0,0 +1,45 @@
+<?php
+
+	require "example.php";
+
+	# First create some objects using the pointer library.
+
+	print "Testing the pointer library\n";
+
+	$a = new_intp();
+	$b = new_intp();
+	$c = new_intp();
+	intp_assign($a,37);
+	intp_assign($b,42);
+
+	print "	a = $a\n";
+	print "	b = $b\n";
+	print "	c = $c\n";
+
+	# Call the add() function wuth some pointers
+	add($a,$b,$c);
+
+	# Now get the result
+	$r = intp_value($c);
+
+	print "	38 + 42 = $r\n";
+
+	# Clean up the pointers
+	delete_intp($a);
+	delete_intp($b);
+	delete_intp($c);
+
+	# Now try the typemap library
+	# This should be much easier. Now how it is no longer
+	# necessary to manufacture pointers.
+
+	print "Trying the typemap library\n";
+	$r = sub(37,42);
+	print "	37 - 42 = $r\n";
+
+	# Now try the version with multiple return values
+	# print "Testing multiple return values\n";
+	# ($q,$r) = divide(42,37);
+	# print "	42/37 = $q remainder $r\n";
+
+?>