nc: remove unnecessary "errno = 0"

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/networking/nc_bloaty.c b/networking/nc_bloaty.c
index 04baf03..b9eff3d 100644 (file)
--- a/networking/nc_bloaty.c
+++ b/networking/nc_bloaty.c
@@ -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