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| author | Rob Landley <rob@landley.net> | 2016-09-05 00:52:44 -0500 |
|---|---|---|
| committer | Rob Landley <rob@landley.net> | 2016-09-05 00:52:44 -0500 |
| commit | 7f7907f53ecaeabb00929feb0ede85a456683ddc (patch) | |
| tree | e5f2752bd5b4d5109eca7022e50f491381410cc2 /lib/xwrap.c | |
| parent | 19394faadb511c6f5ed015d63f6e5ba32c4fc4ca (diff) | |
| download | toybox-7f7907f53ecaeabb00929feb0ede85a456683ddc.tar.gz | |
Export notstdio() wrapper.
Diffstat (limited to 'lib/xwrap.c')
| -rw-r--r-- | lib/xwrap.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/xwrap.c b/lib/xwrap.c index 89488acf..66972f2b 100644 --- a/lib/xwrap.c +++ b/lib/xwrap.c @@ -357,6 +357,8 @@ int xdup(int fd) // old one. (We should never be called with stdin/stdout/stderr closed, but...) int notstdio(int fd) { + if (fd<0) return fd; + while (fd<3) { int fd2 = xdup(fd); |