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When -o isn't specified, open /dev/null as stdin.

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Suggested by:	jhb
This commit is contained in:
Maxime Henrion 2003-03-28 16:22:54 +00:00
parent a54ec1d233
commit cec1ba8c9c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=112746
1 changed files with 5 additions and 2 deletions
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7
usr.bin/xargs/xargs.c
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@ -526,10 +526,13 @@ run(char **argv)
case -1:
err(1, "vfork");
case 0:
close(0);
if (oflag) {
close(0);
if (open("/dev/tty", O_RDONLY) == -1)
err(1, "open");
err(1, "open /dev/tty");
} else {
if (open("/dev/null", O_RDONLY) == -1)
err(1, "open /dev/null");
}
execvp(argv[0], argv);
childerr = errno;