Messages in this thread | | | From | Timothy Covell <> | Subject | Re: RFC: booleans and the kernel | Date | Fri, 25 Jan 2002 17:09:45 -0600 |
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On Thursday 24 January 2002 16:59, Robert Love wrote: > On Fri, 2002-01-25 at 17:47, Timothy Covell wrote: > > > gcc already warns you about such errors. > > > > > > Xav > > > > That's funny, I compiled it with "gcc -Wall foo.c" and got no > > warnings. Please show me what I'm doing wrong and how > > it's _my_ mistake and not the compilers. > > Hm, I recall seeing something like: > > warning: suggest parentheses around assignment used as truth value > > from gcc ... yep, I still do. > > Robert Love > My mistake, I was looking at the ouput of my "char x;" example, which IMHO is even worse.
covell@xxxxxxx ~>cat foo.c
#include <stdio.h>
int main() { char x;
if ( x ) { printf ("\n We got here\n"); } else { // We never get here printf ("\n We never got here\n"); } exit (0); } covell@xxxxxx ~>gcc -Wall foo.c foo.c: In function `main': foo.c:17: warning: implicit declaration of function `exit'
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