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Date: | Tue, 13 Oct 1998 10:46:28 -0400 (EDT) |
Message-Id: | <199810131446.KAA04596@indy.delorie.com> |
From: | DJ Delorie <dj AT delorie DOT com> |
To: | djgpp-workers AT delorie DOT com |
In-reply-to: | <Pine.SUN.3.91.981013174224.4278C-100000@is> (message from Eli |
Zaretskii on Tue, 13 Oct 1998 17:42:48 +0300 (IDT)) | |
Subject: | Re: Bug in popen |
Reply-To: | djgpp-workers AT delorie DOT com |
> > Anywhere in the docs and also in popen.c it is documented, > > that pclose returns zero for success and nonzero for failure. > > But effectively pclose return in the case of success the return > > value of the piped program. > > DJ, what exactly does Posix say about this? IIRC, the last changes in > pclose were done to make it more Posix-compliant. pclose returns the exit code of the program it runs. POSIX assumes you can always run the shell (which is what popen is supposed to use); problems getting the shell started are supposed to be returned by popen.
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