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/* 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[]) %{
scm_t_array_handle handle;
size_t i;
size_t lenp;
ssize_t inc;
const SCM *v;
if (!(SCM_NIMP($input) && scm_is_vector($input))) {
SWIG_exception(SWIG_ValueError, "Expecting a vector");
return 0;
}
v = scm_vector_elements($input, &handle, &lenp, &inc);
$1 = (int)lenp;
if ($1 == 0) {
SWIG_exception(SWIG_ValueError, "Vector must contain at least 1 element");
}
$2 = (char **) malloc(($1+1)*sizeof(char *));
for (i = 0; i < $1; i++, v +=inc ) {
if (!(SCM_NIMP(*v) && scm_is_string(*v))) {
free($2);
SWIG_exception(SWIG_ValueError, "Vector items must be strings");
return 0;
}
$2[i] = scm_to_locale_string(*v);
}
$2[i] = 0;
scm_array_handle_release (&handle);
%}
%typemap(freearg) (int argc, char *argv[]) %{
for (i = 0; i < $1; i++) {
free($2[i]);
}
free($2);
%}
extern int gcdmain(int argc, char *argv[]);
%typemap(in) (char *bytes, int len) %{
if (!(SCM_NIMP($input) && scm_is_string($input))) {
SWIG_exception(SWIG_ValueError, "Expecting a string");
}
$1 = scm_to_locale_string($input);
$2 = scm_c_string_length($input);
%}
%typemap(freearg) (char *bytes, int len) %{
free($1);
%}
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) {
size_t temp;
$1 = SWIG_Guile_scm2newstr($input,&temp);
$2 = temp;
}
/* Return the mutated string as a new object. */
%typemap(argout) (char *str, int len) {
SWIG_APPEND_VALUE(scm_from_locale_stringn($1,$2));
SWIG_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,"$1_name and $2_name must be in unit circle");
}
}
extern void circle(double cx, double cy);
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