C/C++

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Is VMS-IDE supposed to work with the new C compiler for x86?

Last post by ajbrehm « Thu Mar 09, 2023 7:06 am
Replies: 4
by ajbrehm » Wed Mar 08, 2023 10:16 am

I get as far as building on VMS announcing success but also the error

MMS/EXTENDED_SYNTAX/DESCR=project.mms/MACRO=( DEBUG=1 , OUTDIR=out ,...

4 Replies

200 Views

Last post by ajbrehm
Thu Mar 09, 2023 7:06 am
Signal handling problem on X86 (crash with Improperly handled condition).

Last post by tim.stegner « Tue Dec 13, 2022 8:28 am
Replies: 1
by jonesd » Tue Dec 13, 2022 12:42 am

If an executing program is I/O bound or CPU bound, 5-10% of CRTL signal events that should be caught and delivered to registered signal handlers...

1 Replies

838 Views

Last post by tim.stegner
Tue Dec 13, 2022 8:28 am
Pointer comparisons on X86_64 different between 32 and 64 bit pointer sizes.

Last post by jonesd « Mon Dec 05, 2022 1:23 pm
Replies: 2
by jonesd » Sun Dec 04, 2022 11:06 pm

The program below using the X86 cross compiler (VSI C X7.4-547) gives different results than on Alpha or IA64. Relation comparisons between pointers...

2 Replies

619 Views

Last post by jonesd
Mon Dec 05, 2022 1:23 pm
Insufficient Virtual Memory

Last post by volkerhalle « Thu Oct 27, 2022 9:41 am
Replies: 4
by joukj » Tue Oct 25, 2022 5:04 am

I'm running into the problem that the C-compiler complains about Insufficient Virtual Memory According to the C-manual
one should than Increase the...

4 Replies

1131 Views

Last post by volkerhalle
Thu Oct 27, 2022 9:41 am
C++11

Last post by jreagan « Wed Oct 19, 2022 10:01 am
Replies: 1
by joukj » Mon Oct 17, 2022 9:41 am

Recently the developpers of wxWidgets (platform independent widgets library) changed the rquirement for the compilation that the C++ is a 11...

1 Replies

704 Views

Last post by jreagan
Wed Oct 19, 2022 10:01 am
UTC time handling using strptime() - problem

Last post by garyrevell « Tue Apr 12, 2022 4:33 am
Replies: 10
by garyrevell » Fri Apr 08, 2022 3:52 am
1

2
Morning all,

We've got a requirement to process UTC format dates from an external system e.g. 2022-04-02T11:23:05Z and want to use the strptime()...
10 Replies

6296 Views

Last post by garyrevell
Tue Apr 12, 2022 4:33 am
No tcpip$inetdef.h in X86$LIBRARY.

Last post by jreagan « Mon Dec 27, 2021 6:42 pm
Replies: 1
by jonesd » Thu Dec 16, 2021 2:21 pm

I have some IPV6-based code that includes . When using the X86 tools cross compiler, it fails because it can't find tcpip$indetdef.h in X86$library....

1 Replies

2755 Views

Last post by jreagan
Mon Dec 27, 2021 6:42 pm
Latest C compiler available to hobbyists

Last post by sms « Thu Dec 02, 2021 1:39 pm
Replies: 5
by starlet » Tue Nov 30, 2021 9:54 am

The last version of the C compiler that I have is from the HP Hobbyist program:
HP-AXPVMS-C-V0703-010-ECO1.ZIPEXE
Is there a newer version...

5 Replies

3545 Views

Last post by sms
Thu Dec 02, 2021 1:39 pm
boost::lexical_cast

Last post by arne_v « Mon Sep 13, 2021 12:57 pm
Replies: 1
by ofm » Mon Sep 13, 2021 6:08 am

Hi,
This doesn't compile,

#define __USE_STD_IOSTREAM
#include
#include
int main(int argc, char** argv) {
std::string tmp = boost::lexical_cast...

1 Replies

3712 Views

Last post by arne_v
Mon Sep 13, 2021 12:57 pm
C/C++ unit testing framework for OpenVMS ?

Last post by arne_v « Tue Jun 22, 2021 9:45 am
Replies: 5
by l.cedric » Wed Jun 09, 2021 3:29 am

Hello,
Does it exist a C/C++ unit testing framework already ported to OpenVMS ?
(Like CUnit, CppUnit or GoogleTest :
Thanks for any help.

5 Replies

4592 Views

Last post by arne_v
Tue Jun 22, 2021 9:45 am
C not looking in sys$lib_c.tlb

Last post by theoldman « Wed Mar 10, 2021 7:17 pm
Replies: 2
by theoldman » Fri Feb 26, 2021 6:28 pm

I moved from HP C 7.3 to VSI C 7.4 on AXP and impdef.h is not found. I extracted it from sys$lib_c.tlb and all is well however this obviously cannot...

2 Replies

3904 Views

Last post by theoldman
Wed Mar 10, 2021 7:17 pm
Suggestions for a C JSON library

Last post by jfp « Thu Jan 21, 2021 11:46 am
Replies: 4
by mjimji » Thu Jan 14, 2021 6:22 am

Hi all,

I'm looking for a JSON library written in C, does anyone have any suggestions?

I need to:
Parse JSON from a file or memory and process the...

4 Replies

5147 Views

Last post by jfp
Thu Jan 21, 2021 11:46 am
OpenVMS C++ language reference?

Last post by jreagan « Tue Dec 01, 2020 9:58 pm
Replies: 6
by garyrevell » Sun Nov 29, 2020 8:58 am

Hi,

I see there's an OpenVMS C language reference but no C++ language reference, I'd imagine this isn't an oversight so what guide should be used...

6 Replies

5381 Views

Last post by jreagan
Tue Dec 01, 2020 9:58 pm
vectors

Last post by arne_v « Mon Nov 23, 2020 9:28 pm
Replies: 1
by kobbs » Mon Nov 23, 2020 9:51 am

I had a question about vector mathematics in vms about the
builtin functions for vector algebra that are written with fortran. are
those still there?...

1 Replies

3430 Views

Last post by arne_v
Mon Nov 23, 2020 9:28 pm
Using SYS$ routines with C++

Last post by mw « Sat Nov 21, 2020 9:20 am
Replies: 6
by garyrevell » Thu Nov 19, 2020 7:55 am

Hi all,

I want to write some C++ code that calls system services and have used CXX to compile and CXXLINK to link the image. This works fine if...

6 Replies

4776 Views

Last post by mw
Sat Nov 21, 2020 9:20 am
Does it exist Linker limits when linking with an object library (I64) ?

Last post by l.cedric « Thu Nov 05, 2020 2:36 am
Replies: 22
by l.cedric » Thu Sep 24, 2020 10:16 am
1

2

3
Hello,

we are trying to rework our build tools. We wish to use just 1 object library for the whole modules (~ 4000 modules and ~ 83000 symbols) of...
22 Replies

13526 Views

Last post by l.cedric
Thu Nov 05, 2020 2:36 am
OpenVMS status codes

Last post by mw « Fri Jul 24, 2020 9:07 am
Replies: 3
by ajbrehm » Sat Jul 20, 2019 12:23 pm

Is there a seminal list of C API status codes somewhere?

3 Replies

5348 Views

Last post by mw
Fri Jul 24, 2020 9:07 am
MMS /GENERATE issues ?

Last post by mw « Wed Jul 08, 2020 7:47 pm
Replies: 4
by l.cedric » Tue Jun 30, 2020 5:08 am

Hello,

we are trying to use the / GENERATE option from the MMS command to replace our old, deprecated and unmaintanble MMS generator . After some...

4 Replies

4684 Views

Last post by mw
Wed Jul 08, 2020 7:47 pm
Any luck with compiling and linking X11 programs?

Last post by martinv « Sun Sep 08, 2019 2:31 am
Replies: 2
by ajbrehm » Sat Sep 07, 2019 3:55 pm

I tried compiling some of the example code that comes with DEC Windows but ran into a wall when trying to link:

%LINK-W-NUDFSYMS, 10 undefined...

2 Replies

5321 Views

Last post by martinv
Sun Sep 08, 2019 2:31 am
COM for OpenVMS

Last post by ajbrehm « Mon Aug 26, 2019 8:17 am
Replies: 2
by ajbrehm » Tue Jul 23, 2019 5:12 am

What is the status on COM? Is it still a thing on VMS? Can we expect a port to x64?

This would be interesting for interoperability and portability...

2 Replies

4664 Views

Last post by ajbrehm
Mon Aug 26, 2019 8:17 am
New C99 routines to the C Run Time Library for OpenVMS Alpha and Integrity

Last post by ajbrehm « Wed Jul 17, 2019 3:47 am
Replies: 1
by m_detommaso » Wed Jul 17, 2019 2:46 am

VMS Software, Inc. is pleased to announce enhancements and updates to the C Run Time Library to provide support for C99 Standard functions which were...

1 Replies

4143 Views

Last post by ajbrehm
Wed Jul 17, 2019 3:47 am

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