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From: rsalz@bbn.com (Rich Salz)
Newsgroups: comp.lang.c
Subject: Re: Assignment in test: OK?
Message-ID: <2868@litchi.bbn.com>
Date: 28 Sep 90 13:34:49 GMT
References: <BURLEY.90Sep6024459@world.std.com> <1990Sep7.042759.3804@ux1.cso.uiuc.edu> <0atunAG00VosQ2nkcN@andrew.cmu.edu> <1990Sep26.124155.9856@DRD.Com>
Distribution: na
Organization: BBN Systems and Technology, Inc.
Lines: 33

In <1990Sep26.124155.9856@DRD.Com> mark@DRD.Com (Mark Lawrence) writes:
[Saber "complains" about the following]
>} if ( ( file_ptr = fopen (filename, mode) ) == NULL )
>} 	{
>} 	/* print a message and exit */
>} 	}

>  My concern was that Saber C would give a warning
>on code just like the above and I've learned to take Saber's warnings
>seriously.

Gee, I'm confused.  The following fragment generated no warnings
whatsoever:
    #include <stdio.h>
    main()
    {
	FILE *F;

	if ((F = fopen("t.out", "w")) == NULL)
	    printf("Open failure");
	else {
	    printf("Open fine\n");
	    (void)fclose(F);
	}
    }

Perhaps something else is going on in your code?  This is with version 2.1,
and with suppressesion 357,358 (using result of ?: or cast as an lvalue)
turned OFF.
	/r$
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