Re: getconf LONG_BIT in NetBSD

[Ramiro Aceves <ea1abz%gmail.com@localhost>]

On 5/20/24 05:28, Aryabhata wrote:
> The `limits.h` header file in C provides the necessary information about 
> system limits, including `LONG_BIT`. You can write a small C program to 
> print the value of `LONG_BIT`.
>
> Create a simple C program that includes the `limits.h` header and prints 
> the value of `LONG_BIT`.
>
>
> #include <stdio.h>
> #include <limits.h>
>
> int main() {
>      printf("LONG_BIT: %d\n", LONG_BIT);
>      return 0;
> }
>
> This will output the number of bits in a "long" integer on your system.


Hello Aryabhata,

Thanks so much for the suggestion!

Regards.


> On Mon, 20 May, 2024, 1:38 am Ramiro Aceves, <ea1abz%gmail.com@localhost 
> <mailto:ea1abz%gmail.com@localhost>> wrote:
>
>     Hello,
>
>     I have been playing with an autoconf ./configure script that I want get
>     running in several OSes. The script uses "getconf LONG_BIT" to get the
>     bits of the system.
>
>
>     I see that "getconfg LONG_BIT" works in other systems such as  Linux
>     and
>     FreeBSD but in NetBSD I have tried it and it does not work:
>
>     netbsd-nuc$ getconf LONG_BIT
>     getconf: LONG_BIT: unknown variable
>
>
>     I read this on limits (3) man page about LONG_BIT:
>
>
>          XSI Limits
>            Also the X/Open System Interface Extension (XSI) specifies few
>     limits. In NetBSD these are limited to LONG_BIT (the number of bits in
>     long), WORD_BIT (the number of bits in a “word”), and few limits
>     related
>     to float and double.
>
>     How can I get the value of the LONG_BIT variable?
>
>     Thanks you very much.
>     Regards.