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| author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-03-25 23:21:05 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-03-25 23:21:05 +0000 |
| commit | cad04ef4f3435e56181a81c896912543be34ea3c (patch) | |
| tree | 71e46e02914c97077eaa77e12a726b29240b27f6 /libbb/xfuncs.c | |
| parent | 10f8f5f4433a88b9cf9048d38a45838aa6e2abf6 (diff) | |
| download | busybox-cad04ef4f3435e56181a81c896912543be34ea3c.tar.gz | |
add NOMMU fixme's; move move_fd from runit_lib to libbb; nuke fd_copy
Diffstat (limited to 'libbb/xfuncs.c')
| -rw-r--r-- | libbb/xfuncs.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c index c496f9a22..1dcdbc065 100644 --- a/libbb/xfuncs.c +++ b/libbb/xfuncs.c @@ -133,6 +133,16 @@ int ndelay_off(int fd) return fcntl(fd,F_SETFL,fcntl(fd,F_GETFL,0) & ~O_NONBLOCK); } +// "Renumber" opened fd +void xmove_fd(int from, int to) +{ + if (from == to) + return; + if (dup2(from, to) != to) + bb_perror_msg_and_die("cannot duplicate file descriptor"); + close(from); +} + // Die with an error message if we can't write the entire buffer. void xwrite(int fd, const void *buf, size_t count) { |