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Date: Tue, 30 Nov 1999 12:01:09 -0500 (EST)
From: Cygnus - Admin <cygnus AT ncohafmuta DOT com>
To: cygwin AT sourceware DOT cygnus DOT com
Subject: Re: ANSI compliance problem
In-Reply-To: <Pine.LNX.4.10.9911301026230.20800-100000@clipons.ncohafmuta.com>
Message-ID: <Pine.LNX.4.10.9911301159480.20800-100000@clipons.ncohafmuta.com>
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I think I (with help) have found the problem..

In ctype.h:

#ifdef __GNUC__
# define toupper(c) \
        ({ int __x = (c); islower(__x) ? (__x - 'a' + 'A') : __x;})

this shouldn't be done with the {}s. I dont know how it should be fixed,
just that it shouldn't be done. :)

-Cygnus
.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-.
Anthony J. Biacco                       Network Administrator/Engineer
cygnus AT ncohafmuta DOT com                    Intergrafix Internet Services

    "Dream as if you'll live forever, live as if you'll die today"
http://cygnus.ncohafmuta.com                http://www.intergrafix.net
.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-.

 
On Tue, 30 Nov 1999, Cygnus - Admin wrote:

> 
> In my quest to make my 1 C program ANSI compliant..i have a question..and
> since it seems like it's common to cygwin only so far, I feel it's
> relevant for here.
> Say I have a char defined as "char mess[10];"
> and I want to toupper mess[0] of it
> 
> I do mess[0]=toupper((int)mess[0]);
> and include ctype.h
> 
> On linux, dec unix this works fine. No warning or anything.
> On cygwinb20 (win95&win98) I get:
> 
> server.c:2680: warning: ANSI C forbids braced-groups within expressions
> 
> I've also tried *mess=toupper((int)*mess);
> Putting () around *mess doesn't work either..The () inside the toupper()
> is what the problem is, I think.
> But I don't know how to pass it as int WITHOUT putting (int), short of
> doing something like:
> int upit;
> upit=mess[0];
> mess[0]=toupper(upit);
> 
> I don't really want to have to create a new int variable just for this.
> The program works fine, I just want the warning gone and it to see it as
> ANSI compliant.
> 
> I'm compiling with..
> gcc -Wall -Wpointer-arith -Wcast-qual -Wcast-align -Waggregate-return
> -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations
> -Wnested-externs -Winline -Wshadow -pedantic -o objs/server.o -c server.c
> 
> Please don't tell me to just not use all the -W options :-)
> 
> Thanx,
> 
> -Cygnus
> .-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-.
> Anthony J. Biacco                       Network Administrator/Engineer
> cygnus AT ncohafmuta DOT com                    Intergrafix Internet Services
> 
>     "Dream as if you'll live forever, live as if you'll die today"
> http://cygnus.ncohafmuta.com                http://www.intergrafix.net
> .-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-._.-.
> 
> 
> 


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