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Article #8

Re: HELP-Conflicting types and casting float to NULL errors on GCC 2.7.0 Linux

#8
From: Tanmoy Bhattacharya
Date: Tue, 05 Dec 1995 00:48
32 lines
1922 bytes
In article <49vdg5$fh3@seralph9.essex.ac.uk>,
ymyuso@esl3.NoSubdomain.NoDomain (Yusoff Y M) writes: 
|> Hi,
|>     I need some help for two error messages that I get from GCC 2.7.0 on
|> Linux and if possible suggestions to get around them. These errors don't 
<snip>
|> int fputc(char c, FILE *stream);

fputc does _not_ take a char as its first argument: it takes an int which it
converts to unsigned char inside.

<snip>
|> /* check for validity of entered arguments */
|>   if ((b == (float)NULL) || (h == (float)NULL) || (r == (float)NULL)
|>             ^^^^^^^^^^^^          ^^^^^^^^^^^^          ^^^^^^^^^^^^ 
|>       || (i == (int)NULL) || (C == (int)NULL))
|>     usage();

I have no idea what (float)NULL was supposed to mean. NULL is a special value
which can be portably used in a pointer context to create a null pointer. An
operand of the cast (float) or (int) is not a place where NULL can be used.
What are you trying to do?

Cheers
Tanmoy
-- 
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Path: arc1-ca.pugleaf.net!qcd.lanl.gov!tanmoy
From: tanmoy@qcd.lanl.gov (Tanmoy Bhattacharya)
Newsgroups: comp.os.linux.development.apps,comp.lang.c,gnu.gcc.help
Subject: Re: HELP-Conflicting types and casting float to NULL errors on GCC 2.7.0 Linux
Date: 5 Dec 1995 00:48:50 GMT
Organization: Los Alamos National Laboratory
Distribution: world
Message-ID: <4a04ti$5m3@newshost.lanl.gov>
References: <49vdg5$fh3@seralph9.essex.ac.uk>
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