Re: c_ifs_open Problem

Thanks Alan. The error is CPE3490, I'm going to try and specify the CCSID
on the open.

On Thu, Apr 22, 2021 at 5:43 PM Alan Campin <alan0307d@xxxxxxxxx> wrote:

Sorry, should be

dcl-pr OpenFile Pointer ExtProc('C_IFS_fopen');
PR_FileName Pointer Options(*String) Value;
PR_FileMode Pointer Options(*String) Value;
end-pr;

dcl-s FilePtr Pointer;

FilePtr = OpenFile('/tmp/wc/images/post_out.json':
'r');

On Thu, Apr 22, 2021 at 2:01 PM Alan Campin <alan0307d@xxxxxxxxx> wrote:

May I suggest.

dcl-pr OpenFile Pointer ExtProc('C_IFS_fopen');
PR_FileName Char(256) Options(*String) Value;
PR_FileMode Char(25) Options(*String) Value;
end-pr;

dcl-s FilePtr Pointer;

FilePtr = OpenFile('/tmp/wc/images/post_out.json':
'r');

Have not tested but should work.


On Thu, Apr 22, 2021 at 1:42 PM Art Tostaine, Jr. <atostaine@xxxxxxxxx>
wrote:

Hi Barbara: This is from Simon's site where you posted a comment.

dcl-pr OpenFile pointer extproc('_C_IFS_fopen') ;
*n pointer value ; //File name
*n pointer value ; //File mode
end-pr ;

PathFile = '/tmp/wc/images/post_out.json' + x'00' ;
OpenMode = 'r' + x'00' ;
FilePtr = OpenFile(%addr(PathFile):%addr(OpenMode)) ;

** Result is FilePtr = *null

https://www.rpgpgm.com/2016/03/a-better-way-to-read-file-in-ifs-with.html

On Thu, Apr 22, 2021 at 4:40 PM Barbara Morris <bmorris@xxxxxxxxxx>
wrote:

On 2021-04-22 1:51 p.m., Art Tostaine, Jr. wrote:

Debugging a program that stopped working recently. I think this

code

was

copied from Simon, Liam also has a version.

PathFile = '/tmp/wc/images/post_out.json' + x'00' ;
OpenMode = 'r' + x'00' ;
FilePtr = OpenFile(%addr(PathFile):%addr(OpenMode)) ;

What is the prototype for OpenFile?

--
Barbara

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