1 files changed, 96 insertions, 0 deletions
diff --git a/Examples/chicken/multimap/example.i b/Examples/chicken/multimap/example.i
new file mode 100644
index 0000000..02567f4
--- /dev/null
+++ b/Examples/chicken/multimap/example.i
@@ -0,0 +1,96 @@
+/* File : example.i */
+%module example
+
+%{
+extern int gcd(int x, int y);
+extern int gcdmain(int argc, char *argv[]);
+extern int count(char *bytes, int len, char c);
+extern void capitalize (char *str, int len);
+extern void circle (double cx, double cy);
+extern int squareCubed (int n, int *OUTPUT);
+%}
+
+%include exception.i
+%include typemaps.i
+
+extern int    gcd(int x, int y);
+
+%typemap(in) (int argc, char *argv[]) {
+  int i;
+  if (!C_swig_is_vector ($input)) {
+    swig_barf (SWIG_BARF1_BAD_ARGUMENT_TYPE, "Argument $input is not a vector");
+  }
+  $1 = C_header_size ($input);
+  $2 = (char **) malloc(($1+1)*sizeof(char *));
+  for (i = 0; i < $1; i++) {
+    C_word o = C_block_item ($input, i);
+    if (!C_swig_is_string (o)) {
+      char err[50];
+      free($2);
+      sprintf (err, "$input[%d] is not a string", i);
+      swig_barf (SWIG_BARF1_BAD_ARGUMENT_TYPE, err);
+    }
+    $2[i] = C_c_string (o);
+  }
+  $2[i] = 0;
+}
+
+%typemap(freearg) (int argc, char *argv[]) {
+  free($2);
+}
+extern int gcdmain(int argc, char *argv[]);
+
+%typemap(in) (char *bytes, int len) {
+  if (!C_swig_is_string ($input)) {
+    swig_barf (SWIG_BARF1_BAD_ARGUMENT_TYPE, "Argument $input is not a string");
+  }	
+  $1 = C_c_string ($input);
+  $2 = C_header_size ($input);
+}
+
+extern int count(char *bytes, int len, char c);
+
+
+/* This example shows how to wrap a function that mutates a string */
+
+%typemap(in) (char *str, int len) 
+%{  if (!C_swig_is_string ($input)) {
+    swig_barf (SWIG_BARF1_BAD_ARGUMENT_TYPE, "Argument $input is not a string");
+  }
+  $2 = C_header_size ($input);
+  $1 = (char *) malloc ($2+1);
+  memmove ($1, C_c_string ($input), $2);
+%}
+
+/* Return the mutated string as a new object.  Notice the if MANY construct ... they must be at column 0. */
+
+%typemap(argout) (char *str, int len) (C_word *scmstr) 
+%{  scmstr = C_alloc (C_SIZEOF_STRING ($2));
+  SWIG_APPEND_VALUE(C_string (&scmstr, $2, $1));
+  free ($1);
+%}
+
+extern void capitalize (char *str, int len);
+
+/* A multi-valued constraint.  Force two arguments to lie
+   inside the unit circle */
+
+%typemap(check) (double cx, double cy) {
+  double a = $1*$1 + $2*$2;
+  if (a > 1.0) {
+    SWIG_exception (SWIG_ValueError, "cx and cy must be in unit circle");
+  }
+}
+
+extern void circle (double cx, double cy);
+
+/* Test out multiple return values */
+
+extern int squareCubed (int n, int *OUTPUT);
+%{
+/* Returns n^3 and set n2 to n^2 */
+int squareCubed (int n, int *n2) {
+  *n2 = n * n;
+  return (*n2) * n;
+};
+%}