Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!mephisto!udel!freezer!gdtltr
From: gdtltr@freezer.it.udel.edu (Gary Duzan)
Newsgroups: comp.unix.questions
Subject: NULL as a string terminator (was Re: Get process name... )
Message-ID: <26593@nigel.ee.udel.edu>
Date: 4 Aug 90 06:15:40 GMT
References: <9220003@hpldsla.sid.hp.com> <707@mtune.ATT.COM>
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Reply-To: gdtltr@freezer.it.udel.edu (Gary Duzan)
Organization: Brain Dead Innovations (BDI)
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In article <707@mtune.ATT.COM> jrw@mtune.ATT.COM (Jim Webb) writes:
=>
=>	char psbuf[64];
=>	char command[15];
=>	FILE *ps;
=>	
=>	/* I'm sure this could be done better in perl :-) */
=>	sprintf(psbuf,"ps -p%d|awk '{/PID/ {next} { print $4 }'",getpid());
=>	ps=popen(psbuf,"r");
=>	fgets(command,15,ps);
=>	pclose(ps);
=>	command[strlen(command)-1]=NULL; /* chop off the \n */
                                   ^^^^
   Pardon me for reopening the NULL discussion, but won't this give a warning
if NULL is #defined (void *) 0? If it doesn't, should it? Assigning a pointer
to a char is certainly a questionable thing to do.

                                        Gary Duzan
                                        Time  Lord
                                    Third Regeneration



--
                          gdtltr@freezer.it.udel.edu
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