That would certainly account for it! <g> 100% of my experience is full LE C++.
But are you sure? I don't see any such restriction in the library reference and I know the LE diagnostic storage report shows a below-the-line heap. The library manual says it is supported for C++, which to me would seem to imply "full" support. Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Mario Bezzi Sent: Thursday, July 15, 2021 11:23 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Mixing C/C++ with LE-conforming IBM HLASM As far as I know __malloc24 is only available when running in a System programming C environment, which is an early incarnation of METAL-C and does not use LE runtime services. Maybe this is the reason? mario On 7/15/21 12:30 AM, Charles Mills wrote: > Correction: you can't use malloc or new to get the area -- they will return > 31-bit storage. You might use __malloc24() which does the obvious. Looking at > my code, I called out to a GETMAIN LOC=BELOW written in assembler. Can't tell > you why I did that rather than use __malloc24(). > > Charles > > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On > Behalf Of Charles Mills > Sent: Wednesday, July 14, 2021 9:53 AM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Re: Mixing C/C++ with LE-conforming IBM HLASM > > I played with the approach you suggest and abandoned the effort. Too hard, > and too likely to break. > > What I did do that worked was code a number of atomic assembler routines that > could be passed a DCB that was kept in an area that I malloc or new in C or > C++. One of those routines was > > int MAKEDCB(void *DCBarea, const int DCBareaLen, const char *DCBtype, > const char DDname[8]); > > It constructs a DCB in the C/C++ allocated area by moving in a model. DCBtype > is, e.g., "BPAM". Other routines are, e.g., > > int OPNDCBIN(void *DCBarea); // OPEN a DCB for input > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
