Re: Re: elog with automatic file, line, and function

* Pete Forman <pete.forman@westerngeco.com> [010320 04:22]:
> Larry Rosenman writes:
>  > * Tom Lane <tgl@sss.pgh.pa.us> [010319 18:58]:
>  > > However, if the C99 spec has such a concept, they didn't use that name
>  > > for it ...
>  > My C99 compiler (SCO, UDK FS 7.1.1b), defines the following:
>  > Predefined names
>  > 
>  > The following identifiers are predefined as object-like macros: 
>  > 
>  > 
>  > __LINE__
>  >     The current line number as a decimal constant. 
>  > 
>  > __FILE__
>  >     A string literal representing the name of the file being compiled. 
>  > 
>  > __DATE__
>  >     The date of compilation as a string literal in the form ``Mmm dd
>  > yyyy.'' 
>  > 
>  > __TIME__
>  >     The time of compilation, as a string literal in the form
>  > ``hh:mm:ss.'' 
>  > 
>  > __STDC__
>  >     The constant 1 under compilation mode -Xc, otherwise 0. 
>  > 
>  > __USLC__
>  >     A positive integer constant; its definition signifies a USL C
>  > compilation system. 
>  > 
>  > Nothing for function that I can find.
> 
> It is called __func__ in C99 but it is not an object-like macro.  The
> difference is that it behaves as if it were declared thus.
> 
>     static const char __func__[] = "function-name";
> 
> Those other identifiers can be used in this sort of way.
> 
>     printf("Error in " __FILE__ " at line " __LINE__ "\n");
> 
> But you've got to do something like this for __func__.
> 
>     printf("Error in %s\n", __func__);
> 
I couldn't find it in the docs, but it is in the compiler. 

Wierd.

I'll look more.

LER

> -- 
> Pete Forman                 -./\.- Disclaimer: This post is originated
> WesternGeco                   -./\.-  by myself and does not represent
> pete.forman@westerngeco.com     -./\.-  opinion of Schlumberger, Baker
> http://www.crosswinds.net/~petef  -./\.-  Hughes or their divisions.
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Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 972-414-9812                 E-Mail: ler@lerctr.org
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