On 2015-02-10 13:14-0500 Jim Dishaw wrote:
> Is the minimum supported compiler the C89 specification? I would
like to use the offsetof() macro in the implementation of the revised
metafile I/O routines. My goal is to define the data file format in a
variable and to support multiple versions for backwards compatibility.
Our actual minimum supported C version is C99 (since we already
use some C language constructs that were first introduced for C99).
According to the Linux man page offsetof is
CONFORMING TO
C89, C99, POSIX.1-2001.
Therefore, using that macro should be fine since it would be a pretty
lame C compiler that didn't support C99, 14 years after the fact.
Alan
__________________________
Alan W. Irwin
Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).
Programming affiliations with the FreeEOS equation-of-state
implementation for stellar interiors (freeeos.sf.net); the Time
Ephemerides project (timeephem.sf.net); PLplot scientific plotting
software package (plplot.sf.net); the libLASi project
(unifont.org/lasi); the Loads of Linux Links project (loll.sf.net);
and the Linux Brochure Project (lbproject.sf.net).
__________________________
Linux-powered Science
__________________________
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