You are right, but it wouldn't fail right away for that reason.

Henry rich

On 3/5/2022 8:32 PM, bill lam wrote:
JE expected a minimum stack size of 16mb. Try Building your front end with
that stack size.

On Sun, Mar 6, 2022, 6:35 AM vadim <vadim3128m...@gmail.com> wrote:

I'm considering to move a working program (which loads j.dll) from J
version 8.07 to current 9.03, but JDo fails to execute any sentence.

(1) No issues with the previous 8.07 version.
(2) No issues on Linux.
(3) No issues with JInit, JFree, JSetM, JGetM.
(4) To confuse things more, no issues with calling JDo from 9.03 JQt
window, e.g.:

    libj =: 'jj.dll'
    p =: (libj, ' JInit x') cd ''
    (libj, ' JDo i x *c') cd p, <'A =: i. 2 3'
+-+-------------+-----------+
|0|2534909943808|A =: i. 2 3|
+-+-------------+-----------+

(5) Return code 17 when called from, e.g., the following C program,
compiled with mingw gcc (real program uses FFI and is not C).

#include <windows.h>
#include <stdio.h>

typedef void* (_stdcall *JInitType)(void);
typedef int (_stdcall *JDoType)(void*, LPSTR);

int main(void) {

     HINSTANCE hinstLib;
     JInitType JInit;
     JDoType JDo;
     void *j;
     int result;

//    hinstLib = LoadLibrary("C:\\Users\\vadim\\j64-807\\bin\\j.dll");
     hinstLib = LoadLibrary("C:\\Users\\vadim\\j903\\bin\\j.dll");
     JInit = (JInitType) GetProcAddress(hinstLib, "JInit");
     JDo = (JDoType) GetProcAddress(hinstLib, "JDo");

     j = (JInit)();
     printf("%u\n", j);

     result = (JDo)(j, "vec =: i. 10");
     printf("%u\n", result);

     return 0;
}
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