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/* File : example.i */
%module example
%include exception.i
extern int gcd(int x, int y);
%typemap(tcl8,in) (int argc, char *argv[]) {
Tcl_Obj **listobjv = 0;
int i;
if (Tcl_ListObjGetElements(interp,$input, &$1, &listobjv) == TCL_ERROR) {
SWIG_exception(SWIG_ValueError,"Expected a list");
return TCL_ERROR;
}
$2 = (char **) malloc(($1+1)*sizeof(char *));
for (i = 0; i < $1; i++) {
$2[i] = Tcl_GetStringFromObj(listobjv[i],0);
}
$2[i] = 0;
}
%typemap(tcl8,freearg) char *argv[] {
if ($1) {
free($1);
}
}
extern int gcdmain(int argc, char *argv[]);
%typemap(tcl8,in) (char *bytes, int len) {
$1 = Tcl_GetStringFromObj($input,&$2);
}
extern int count(char *bytes, int len, char c);
/* This example shows how to wrap a function that mutates a string */
%typemap(tcl8,in) (char *str, int len) {
char *temp;
temp = Tcl_GetStringFromObj($input,&$2);
$1 = (char *) malloc($2+1);
memmove($1,temp,$2);
}
/* Return the mutated string as a new object. */
%typemap(tcl8,argout) (char *str, int len) {
Tcl_Obj *o;
o = Tcl_NewStringObj($1,$2);
Tcl_ListObjAppendElement(interp,$result,o);
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");
return TCL_ERROR;
}
}
extern void circle(double cx, double cy);
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