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nc: remove unnecessary "errno = 0"

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2013-07-29 14:18:32 +02:00
parent 2ead5316b4
commit 05965cbb75
1 changed files with 4 additions and 5 deletions
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9
networking/nc_bloaty.c
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@ -613,7 +613,6 @@ static int readwrite(void)
while (fds_open) {
unsigned wretry = 8200; /* net-write sanity counter */
errno = 0; /* clear from sleep, close, whatever */
ding2 = ding1; /* FD_COPY ain't portable... */
/* some systems, notably linux, crap into their select timers on return, so
we create a expendable copy and give *that* to select. */
@ -696,9 +695,9 @@ Debug("got %d from the net, errno %d", rr, errno);
if (rr > 0) {
if (o_ofile) /* log the stdout */
oprint('<', (unsigned char *)np, rr);
np += rr; /* fix up ptrs and whatnot */
np += rr;
rnleft -= rr;
wrote_out += rr; /* global count */
wrote_out += rr; /* global count */
}
Debug("wrote %d to stdout, errno %d", rr, errno);
} /* rnleft */
@ -713,7 +712,7 @@ Debug("wrote %d to stdout, errno %d", rr, errno);
oprint('>', (unsigned char *)zp, rr);
zp += rr;
rzleft -= rr;
wrote_net += rr; /* global count */
wrote_net += rr; /* global count */
}
Debug("wrote %d to net, errno %d", rr, errno);
} /* rzleft */
@ -730,7 +729,7 @@ Debug("wrote %d to net, errno %d", rr, errno);
}
goto shovel;
}
} /* while ding1:netfd is open */
} /* while (fds_open) */
/* XXX: maybe want a more graceful shutdown() here, or screw around with
linger times?? I suspect that I don't need to since I'm always doing