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Sune Foldager writes:
On Darwin (Mac OS X), bash incorrectly assumed that it has been called over a
network connection (such as ssh, rsh etc.), when stdin stems from the pipe()
system call. This is because bash's heuristic code for determining if it's
been started over a net connection is incorrect on Darwin kernels.
http://bugs.gentoo.org/79124
--- a/lib/sh/netconn.c
+++ b/lib/sh/netconn.c
@@ -53,7 +53,8 @@
l = sizeof(sa);
rv = getpeername(fd, &sa, &l);
/* Solaris 2.5 getpeername() returns EINVAL if the fd is not a socket. */
- return ((rv < 0 && (errno == ENOTSOCK || errno == EINVAL)) ? 0 : 1);
+ /* Darwin 7.7.0 getpeername() returns ENOTCONN if the fd was created with pipe(). */
+ return ((rv < 0 && (errno == ENOTSOCK || errno == ENOTCONN || errno == EINVAL)) ? 0 : 1);
#else /* !HAVE_GETPEERNAME || SVR4_2 || __BEOS__ */
# if defined (SVR4) || defined (SVR4_2)
/* Sockets on SVR4 and SVR4.2 are character special (streams) devices. */
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