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From: TOMIII@MTUS5.BITNET (Thomas Dwyer III)
Newsgroups: comp.sys.ibm.pc.programmer
Subject: Microsoft C, 5.1 bug???
Message-ID: <90152.034339TOMIII@MTUS5.BITNET>
Date: 1 Jun 90 08:43:39 GMT
Organization: Computing Technology Services, Michigan Technological Univ.
Lines: 27

I believe there is a bug in MSC 5.1  The following code demonstrates
the problem:

#include <stdio.h>
#include <process.h>

main()
{
        putenv("OOG=BLA");

        spawnl(P_WAIT, "C:/DOS/COMMAND.COM", "COMMAND.COM", NULL);
}


Running this program under IBM DOS 3.3 results in COMMAND.COM being
invoked, as expected, with "OOG=BLA" in it's environment.  However,
the new environment not only has that string, but also a string of
garbage at the end.  This garbage string ";C_FILE_INFO$$$$AA" (where
$$$$ = 4 IBM funky characters, ASCII 05, 193, 193, 193) shows up on
every machine the program was run on (True blue PCs and Zenith 386-30)
even when recompiled.

Does anyone see anything wrong with this code?

Thomas Dwyer III                              TOMIII   @ MTUS5.BITNET
Computing Technology Services                 DWYERIII @ MTUS5.BITNET
Michigan Technological University