Initial commit

winx64/bin/swig-3.0.12/Examples/python/varargs/Makefile

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+TOP        = ../..
+SWIGEXE    = $(TOP)/../swig
+SWIG_LIB_DIR = $(TOP)/../$(TOP_BUILDDIR_TO_TOP_SRCDIR)Lib
+SRCS       =
+TARGET     = example
+INTERFACE  = example.i
+
+check: build
+	$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' python_run
+
+build:
+	$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' SRCS='$(SRCS)' \
+	SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
+	TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' python
+
+static:
+	$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' SRCS='$(SRCS)' \
+	SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
+	TARGET='mypython' INTERFACE='$(INTERFACE)' python_static
+
+clean:
+	$(MAKE) -f $(TOP)/Makefile SRCDIR='$(SRCDIR)' TARGET='$(TARGET)' python_clean

winx64/bin/swig-3.0.12/Examples/python/varargs/example.i

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+/* File : example.i */
+%module example
+
+%{
+#include <stdarg.h>
+%}
+
+/* This example illustrates SWIG's handling of varargs functions.  
+   By default, variable length arguments are simply ignored.  This
+   is generally appropriate for wrapping I/O functions like printf.
+   You can simply format a string in the scripting language, and
+   pass it directly */
+
+int printf(const char *fmt, ...);
+
+/* Since passing a format string might be dangerous.  Here is a slightly
+   different way of wrapping a printf style function */
+
+#if 1
+/* Replace ... with char *.   */
+%varargs(char *) fprintf;
+
+/* Ignore the format string, but set it to %s */
+%typemap(in,numinputs=0) const char *fmt {
+	$1 = "%s";
+}
+#else
+/* An alternative approach using typemaps */
+%typemap(in) (const char *fmt, ...) {
+   $1 = "%s";
+   $2 = (void *) PyString_AsString($input);
+}
+#endif
+
+int fprintf(FILE *, const char *fmt, ...);
+
+/* Here is somewhat different example.  A variable length argument
+   function that takes a NULL-terminated list of arguments. We
+   can use a slightly different form of %varargs that specifies
+   a default value and a maximum number of arguments.
+ */
+
+/* Maximum of 20 arguments with default value NULL */
+
+%varargs(20, char *x = NULL) printv;
+
+%inline %{
+
+/* In Python 2 we could use PyFile_AsFile for converting Python sys.stdout to C's stdout.
+   This API disappeared in Python 3, so instead we use a helper function to get stdout */
+FILE * stdout_stream(void) {
+  return stdout;
+}
+
+void printv(char *s, ...) {
+    va_list ap;
+    char *x;
+    fputs(s,stdout);
+    fputc(' ',stdout);
+    va_start(ap, s);
+    while ((x = va_arg(ap, char *))) {
+      fputs(x,stdout);
+      fputc(' ',stdout);
+    }
+    va_end(ap);
+    fputc('\n',stdout);
+}
+%}
+

winx64/bin/swig-3.0.12/Examples/python/varargs/runme.py

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+# file: runme.py
+
+import sys
+import example
+
+# Call printf
+example.printf("Hello World. I'm printf\n")
+
+# Note: We call printf, but use *python* string formatting
+for i in range(0, 10):
+    example.printf("i is %d\n" % i)
+
+# This will probably be garbled because %d is interpreted by C
+example.printf("The value is %d\n")
+
+stdout = example.stdout_stream()
+# Call fprintf
+example.fprintf(stdout, "Hello World. I'm fprintf\n")
+for i in range(0, 10):
+    example.fprintf(stdout, "i is %d\n" % i)
+
+# This won't be garbled since %d is not interpreted
+example.fprintf(stdout, "The value is %d\n")
+
+# This function calls our NULL-terminated function
+
+example.printv("Hello", "World", "this", "is", "a", "test.")