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From: dfp@cbnewsl.ATT.COM (david.f.prosser)
Newsgroups: comp.lang.c,comp.unix.questions
Subject: Re: preprocessor question (non-ANSI)
Keywords: #define C ANSI
Message-ID: <2196@cbnewsl.ATT.COM>
Date: 10 Oct 89 15:03:42 GMT
References: <174@eliza.edvvie.at>
Reply-To: dfp@cbnewsl.ATT.COM (david.f.prosser)
Organization: AT&T Bell Laboratories
Lines: 14

In article <174@eliza.edvvie.at> johnny@edvvie.at (Johann Schweigl) writes:
 >How can I replace a text token by itself, along with some additional text?
 >Example: 
 >EXEC SQL select * from emp;     __curline = 23; EXEC SQL select * from emp;
 >before ^^^^^^^^^^^^^^^^^^^^     after ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 >
 >#define EXEC __curline = __LINE__; EXEC 
 >is not the solution, cpp would try to resolve EXEC recursively
 >I know, sed is the most natural solution, but I want to do all by including
 >a single file. ANSI is not spoken on my system.

With ANSI C, your example macro definition will work as you desire.

Dave Prosser	...not an official X3J11 answer...