d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

- Use _PATH_TTY and _PATH_DEVNULL macros.

Browse Source 
- Don't fail if we can't open /dev/null since this can happen if
  xargs is jail'ed or chroot'ed.

These fixes were submitted by Todd Miller from the OpenBSD project.
There was one problem in those fixes that broke -o, which is corrected
here and should be committed to the OpenBSD repo by Todd soon.

MFC in:	3 days
This commit is contained in:
Maxime Henrion 2003-06-13 17:05:41 +00:00
parent 0d3b8ac42c
commit 0792992c73
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=116302
1 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
usr.bin/xargs/xargs.c
View File

@ -483,6 +483,7 @@ static void
run(char **argv)
{
pid_t pid;
int fd;
char **avec;
/*
@ -521,13 +522,16 @@ run(char **argv)
case -1:
err(1, "vfork");
case 0:
close(0);
if (oflag) {
if (open("/dev/tty", O_RDONLY) == -1)
err(1, "open /dev/tty");
if ((fd = open(_PATH_TTY, O_RDONLY)) == -1)
err(1, "can't open /dev/tty");
} else {
if (open("/dev/null", O_RDONLY) == -1)
err(1, "open /dev/null");
fd = open(_PATH_DEVNULL, O_RDONLY);
}
if (fd > STDIN_FILENO) {
if (dup2(fd, STDIN_FILENO) != 0)
err(1, "can't dup2 to stdin");
close(fd);
}
execvp(argv[0], argv);
childerr = errno;