[GO] Multi-arguments typemaps error #749
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Same Problem Just modified the -int gcdmain(int argc, char *argv[]) {
+int gcdmain(char *argv[], int argc) {
int x,y;
if (argc != 3) {
printf("usage: gcd x y\n");
return -1;
}
x = atoi(argv[1]);
y = atoi(argv[2]);
printf("gcd(%d,%d) = %d\n", x,y,gcd(x,y));
return 0;
}and modified the example.i %typemap(gotype) (char *argv[], int argc) "[]string"
// typemap(gotype) (int argc, char *argv[]) "[]string"
// %typemap(in) (int argc, char *argv[])
%typemap(in) (char *argv[], int argc)
%{
{
int i;
_gostring_* a;
$2= $input.len;
a = (_gostring_*) $input.array;
$1 = (char **) malloc (($2 + 1) * sizeof (char *));
for (i = 0; i < $2; i++) {
_gostring_ *ps = &a[i];
$1[i] = (char *) ps->p;
}
$1[i] = NULL;
}
%}
%typemap(argout) (char *argv[], int argc) "" /* override char *[] default */
// %typemap(argout) (int argc, char *argv[]) "" /* override char *[] default */
// %typemap(freearg) (int argc, char *argv[])
%typemap(freearg) (char *argv[], int argc)
%{
free($1);
%}
// extern int gcdmain(int argc, char *argv[]);
extern int gcdmain(char *argv[], int argc);after swig compiled, we get intgo _wrap_gcdmain_example_e90192b24008a4a7(_gostring_* _swig_go_0) {
// Something
}before we reverse the params in function intgo _wrap_gcdmain_example_a0193b9710dcf37d(_goslice_ _swig_go_0) {
// Something
}Strangely, if we convert we try to add |
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@ianlancetaylor could you look at this one? I'm not familiar enough with go to spot the problem here. |
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The original example still seems to show the problem exists in current git master: @ianlancetaylor Please can you take a look? |
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Fixed. |
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test.i
show_a ----> Right
typedef _goslice_ swig_type_1;show_b----> Error
typedef _gostring_* swig_type_2;I'm sorry, my English is very limited.
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