From: i_b_malone AT yahoo DOT com (imalone)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: spawn() problem.
Date: Sat, 19 May 2001 11:09:17 GMT
Organization: University of Cambridge, England
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References: <fc DOT 000f77f3000f8d9e000f77f3000f8d9e DOT f8da1 AT bni DOT mg> <3405-Fri18May2001104125+0300-eliz AT is DOT elta DOT co DOT il> <fc DOT 000f77f3000f9130000f77f3000f8d9e DOT f914c AT bni DOT mg> <2427-Fri18May2001125319+0300-eliz AT is DOT elta DOT co DOT il>
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To: djgpp AT delorie DOT com
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On Fri, 18 May 2001 12:53:19 +0300, "Eli Zaretskii"
<eliz AT is DOT elta DOT co DOT il> wrote:

>
>Your call puts a NULL pointer into the argv[] array passed to the
>child program.  That's invalid usage: argv[] should at least have the
>argv[0] element non-NULL.
>
>Here's the correct way of doing this:
>
>       char *argv[] = { "gcc", NULL };
>
>       if (spawnvp(P_WAIT, "gcc", argv) == -1)
>         printf ("spawn...() error!\n");

Incidentally, is there any way of calling a program with a command
line longer than 128 characters if it wasn't compiled by djgpp?

I'm thinking specifically of an executeable copy I have of lame where
command lines are liable to run to a couple of hundred characters.
(full path of input and output files, track information and encoding
options)

-- 
"You have viruses, but I have resistance, and I am alive, and you-
are dead." Ken Macleod    The Star Fraction