Increment and assignment (sleepy programmers see section 3.1 of C FAQ)

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1 total messages Started by John Carlson Wed, 02 Sep 1992 10:38

#1043

Author: John Carlson
Date: Wed, 02 Sep 1992 10:38

18 lines
814 bytes

int i = 0;
i = i++;
printf("%d\n", i);

Values of i:

Sun 4.1.1 cc compiler produces: 1
Sun C++ 2.1 produces: 1
Optimized gcc produces: 1
Unoptimized gcc 2.2.2 produces: 0
AT&T cc compiler produces: 0

Don't use i = i++.

It would be nice if the compiler warned me about it.

John Carlson
carlson@yottzumm.tis.llnl.gov

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