Experimental Physics and
Industrial Control System

rivers via Core-talk <[email protected]> · Tue, 07 Jan 2020 02:42:58 -0000

> I've been in the habit of using '%lld' and '%zu' to print 'long long' and 'size_t' respectively.
> However, the windows world needs '%I64d' and '%Iu' instead. 
> It would be nice to have compatibility macros for this.

I'm not sure I understand this comment. I have been using %lld and %llu
on Windows.  I believe I tested and %z is supported on VS2015 and up,
but not on VS2010.  But do we need to support VS2010 any more?

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https://bugs.launchpad.net/bugs/1740426

Title:
  portable printf() spec for size_t, long long, and others

Status in EPICS Base:
  Triaged

Bug description:
  I've been in the habit of using '%lld' and '%zu' to print 'long long'
  and 'size_t' respectively.  However, the windows world needs '%I64d'
  and '%Iu' instead.  It would be nice to have compatibility macros for
  this.

  stdint.h/inttypes.h has a convention for this for the standard fixed
  width types.  eg. PRIx32 for 'uint32_t'.  This is used like:

  > printf("%"PRIx32"\n", (uint32_t)42);

  http://en.cppreference.com/w/c/types/integer

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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System