Date: Wed, 21 Feb 1996 18:37:09 -0500
From: dj (DJ Delorie)
Message-Id: <199602212337.SAA07025@delorie.com>
To: morphine AT blaze DOT cs DOT jhu DOT edu
CC: djgpp AT delorie DOT com
In-reply-to: <01BB0062.38D68B00@hf2rules.res.jhu.edu.res.jhu.edu> (morphine@blaze.cs.jhu.edu)
Subject: Re: spawnlp() vs system()


> 	I have a DJGPP v1.11 program that calls a v2 program using the =
> spawnlp() function.  However, whenever it tries to spawn this particular =
> program, I briefly get a segmentation violation message and execution is =
> quickly restored to the calling program.  However, when I replaced the =
> spawnlp() function with a system() instead, now it works.  Why the =
> difference?

V1's spawn*() tries to run the program directly (to pass the arguments
correctly), and dies because it doesn't know how.  system() always
runs it as a regular EXE.

V2 can always run a V1 program correctly, though.