This patch automatically removes backspaces from logs sent by the kernel. The
kernel uses backspaces to show its progress during the ramdisk decompression.

--- ./sysklogd/syslogd.c~	2006-03-13 22:32:55.000000000 +0100
+++ ./sysklogd/syslogd.c	2006-03-13 22:30:35.000000000 +0100
@@ -522,7 +522,7 @@
 
 /* This must be a #define, since when CONFIG_DEBUG and BUFFERS_GO_IN_BSS are
  * enabled, we otherwise get a "storage size isn't constant error. */
-static int serveConnection(char *tmpbuf, int n_read)
+static int serveConnection(char *tmpbuf, int n_read, int remove_bs)
 {
 	char *p = tmpbuf;
 
@@ -547,6 +547,9 @@
 				}
 			} else if (c == '\n') {
 				*q++ = ' ';
+			} else if (c == '\b') {
+				if (q > line)
+					*--q = '\0';
 			} else if (iscntrl(c) && (c < 0177)) {
 				*q++ = '^';
 				*q++ = c ^ 0100;
@@ -687,7 +690,7 @@
 
 			if ((i = recv(sock_fd, tmpbuf, TMP_BUF_SZ, 0)) > 0) {
 				tmpbuf[i] = '\0';
-				serveConnection(tmpbuf, i);
+				serveConnection(tmpbuf, i, 0);
 			} else if (i < 0 && errno != EINTR && errno != EAGAIN) {
 				bb_perror_msg_and_die("UNIX socket error");
 			}
@@ -699,7 +702,7 @@
 
 			if ((i = recv(listen_udp_fd, tmpbuf, TMP_BUF_SZ, 0)) > 0) {
 				tmpbuf[i] = '\0';
-				serveConnection(tmpbuf, i);
+				serveConnection(tmpbuf, i, 0);
 			} else if (i < 0 && errno != EINTR && errno != EAGAIN) {
 				bb_perror_msg_and_die("UDP socket error");
 			}
@@ -737,7 +740,7 @@
 					memcpy(tmpbuf + msgptr - save,
 					       "kernel: ", save); 
 					serveConnection(tmpbuf + msgptr - save,
-							j - msgptr + save);
+							j - msgptr + save, 1);
 					msgptr = ++j;
 				}
 				remain = msgend - msgptr;
@@ -765,7 +768,7 @@
 					/* end of read : send last data and return */
 					tmpbuf[save + remain] = 0;
 					memcpy(tmpbuf, "kernel: ", save); 
-					serveConnection(tmpbuf,	save + remain);
+					serveConnection(tmpbuf,	save + remain, 1);
 					break;
 				}
 			} /* end of while(1) */