NetNews Offline 2/NetNews Offline Volume 2.iso/news/comp/lang/c-part1/4679

Internet Message Format | 1996-08-05 | 1.3 KB

Path: mail2news.demon.co.uk!genesis.demon.co.uk
From: Lawrence Kirby <[e-mail]>
Newsgroups: comp.lang.c
Subject: Re: simple code, argc, argv, strcmp()
Date: Tue, 06 Feb 96 14:01:51 GMT
Organization: none
Message-ID: <[e-mail]>
References: <11f7cc$17261a.3b3@daprez> <4etj7c$[e-mail]> <[e-mail]> <[e-mail]>
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In article <[e-mail]>
           [e-mail] "frank." writes:

>Yes, the && test would never pass, but the || test is bad also. The ||
>will pass if you pass "-d" or "-e". So then you will call Usage()
>incorrectly. The test should be:
>
>   if (!(!strcmp(argv[1], "-d") || !strcmp(argv[1], "-e"))) {
>      Usage();
>   }

That is correct but it is pretty horrible to read. I prefer something like:

    if (strcmp(argv[1], "-d") != 0 && strcmp(argv[1], "-e") != 0) {
    ...

--
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Lawrence Kirby | [e-mail]
Wilts, England | [e-mail]
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