🚀 go-pugleaf

Organization: Computer Science, University of Melbourne, Australia

jos@and.nl (Jos Horsmeier) writes:

>You're right, but the ANSI C standard _does_ `promise' that stdin and
>stdout are `expressions of type ``pointer to FILE'' that point to the
>FILE objects associated [...]'
>So, the original poster can solve his/her problem by moving the assignments
>away from the initialization code and simply do an assignment like:
>
>FILE *yyin, *yyout;
>/* ... */
>yyin= stdin; yyout= stdout;

These initializations actually come from the "lex" tokenizer skeleton code;
to solve the problem you need to add
	if (!yyin) yyin = stdin;
	if (!yyout) yyout = stdout;
either at the start of yylex(), or more efficiently in the initialization
code which (in my version) is in yylook().

-- 
Fergus Henderson             fjh@munta.cs.mu.OZ.AU      
This .signature virus is a self-referential statement that is true - but 
you will only be able to consistently believe it if you copy it to your own
.signature file!