Re: c/9762: Address of 'char' is incorrect.

[Neil Booth <neil@daikokuya.co.uk>]

The following reply was made to PR c/9762; it has been noted by GNATS.

From: Neil Booth <neil@daikokuya.co.uk>
To: stephen.kennedy@havok.com
Cc: gcc-gnats@gcc.gnu.org, debian-gcc@lists.debian.org
Subject: Re: c/9762: Address of 'char' is incorrect.
Date: Wed, 19 Feb 2003 21:23:55 +0000

 stephen.kennedy@havok.com wrote:-
 
 > 	In the example below, '&a' is the address of a local copy of 'a' not of 'a'.
 > 	if the type of 'a' is changed to int, it works as expected.
 
 Works as who expected?  Where is the bug?  Please quote which part of
 the C standard is violated.  You got an address, why are you unhappy?
 
 Neil.
 
 > #define TA char
 > #define TB int
 > #define TC int
 > 
 > void foobar(TA a, TB b, TC c);
 > 
 > int main()
 > {
 > 	foobar(1,2,3);
 > 	return 0;
 > }
 > 
 > void foobar(TA a, TB b, TC c)
 > {
 > 	printf("a == %i  claims %x\n", a, &a);
 > 	printf("a == %i  really %x\n", (&b)[-1], (&b)-1);
 > 	printf("b == %i  %x\n", b, &b);
 > 	printf("c == %i  %x\n", c, &c);
 > }