[9fans] APE: strdup()

[9fans] APE: strdup()

[pac]

     char *parameterfile, optarg;
		...
     parameterfile = strdup(optarg);

cc: incompatible types: "IND CHAR" and "INT" for op "AS"
although manpage says:
char* strdup(char *s)


--
Peter A Cejchan
biologist
Acad. Sci., Prague, CZ
<cej at cejchan dot gli dot cas dot cz>

Re: [9fans] APE: strdup()

[Boyd Roberts]

pac wrote:
> 
>      char *parameterfile, optarg;
>                 ...
>      parameterfile = strdup(optarg);
> 
> cc: incompatible types: "IND CHAR" and "INT" for op "AS"
> although manpage says:
> char* strdup(char *s)

Yes, this is why I don't like declarations like that.

You have declared a char * [parameterfile] and a char [optarg]
which has be premoted to int when passed to strdup().

Before I shoot myself in the foot, I checked out getopt(3).

You need to declare:

    extern char *optarg;

I never commit to memory all this quirky stuff;  I always use man.

Re: [9fans] APE: strdup()

[Wladimir Mutel]

In article <cej-1011015091415.A01300@cejchan.gli.cas.cz> you wrote:
>     char *parameterfile, optarg;
>                ...
>     parameterfile = strdup(optarg);

> cc: incompatible types: "IND CHAR" and "INT" for op "AS"
> although manpage says:
> char* strdup(char *s)

	Write this way :

	char * p, * o;

	In your case, you get optarg of type char, not char *.

Re: [9fans] APE: strdup()

[Boyd Roberts]

Wladimir Mutel wrote:
>         Write this way :
> 
>         char * p, * o;

No, the spaces make it look like a binary operator.

strdup once more, was: Re: [9fans] APE: strdup()

[pac]

oooops, I made a typo when reporting error;
actually, the declarations were okay, as you advised:


	char *parameterfile = NULL;
	extern char *optarg;
		...

The problem persists. Apologies to all involved!

-pac-

Re: strdup once more, was: Re: [9fans] APE: strdup()

[Douglas A. Gwyn]

pac wrote:
> The problem persists.
You need a (correct) declaration of strdup in scope when it is called.

Re: strdup once more, was: Re: [9fans] APE: strdup()

[forsyth]

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strdup is in the bsd.h extensions (along with getopt).
perhaps it wasn't or isn't ANSI; at any rate, that's what APE thinks of it.


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To: 9fans@cse.psu.edu
Subject: strdup once more, was: Re: [9fans] APE: strdup()
Date: Mon, 15 Oct 2001 12:01:26 +0200
Message-ID: <cej-1011015120126.A071032@cejchan.gli.cas.cz>


oooops, I made a typo when reporting error;
actually, the declarations were okay, as you advised:


	char *parameterfile = NULL;
	extern char *optarg;
		...

The problem persists. Apologies to all involved!

-pac-

Re: strdup once more, was: Re: [9fans] APE: strdup()

[Douglas A. Gwyn]

forsyth@vitanuova.com wrote:
> strdup is in the bsd.h extensions (along with getopt).
> perhaps it wasn't or isn't ANSI; ...

Yes, or is it no, strdup is not a Standard C function.