Spelling fixes in comments, documentation, tests and examples

By klemens <ka7@github.com>

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

networking/dnsd.c

@@ -360,7 +360,7 @@ RDATA   a variable length string of octets that describes the resource.
 
 In order to reduce the size of messages, domain names coan be compressed.
 An entire domain name or a list of labels at the end of a domain name
-is replaced with a pointer to a prior occurance of the same name.
+is replaced with a pointer to a prior occurrence of the same name.
 
 The pointer takes the form of a two octet sequence:
     +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+

networking/ifenslave.c

@@ -55,7 +55,7 @@
  *
  *    - 2003/03/18 - Tsippy Mendelson <tsippy.mendelson at intel dot com> and
  *                   Shmulik Hen <shmulik.hen at intel dot com>
- *       - Moved setting the slave's mac address and openning it, from
+ *       - Moved setting the slave's mac address and opening it, from
  *         the application to the driver. This enables support of modes
  *         that need to use the unique mac address of each slave.
  *         The driver also takes care of closing the slave and restoring its

networking/isrv.c

@@ -191,7 +191,7 @@ static void handle_accept(isrv_state_t *state, int fd)
 	DPRINTF("new_peer(%d)", newfd);
 	n = state->new_peer(state, newfd);
 	if (n)
-		remove_peer(state, n); /* unsuccesful peer start */
+		remove_peer(state, n); /* unsuccessful peer start */
 }
 
 static void handle_fd_set(isrv_state_t *state, fd_set *fds, int (*h)(int, void **))

networking/nc_bloaty.c

@@ -459,7 +459,7 @@ create new one, and bind() it. TODO */
 	 so I don't feel bad.
 	 The *real* question is why BFD sockets wasn't designed to allow listens for
 	 connections *from* specific hosts/ports, instead of requiring the caller to
-	 accept the connection and then reject undesireable ones by closing.
+	 accept the connection and then reject undesirable ones by closing.
 	 In other words, we need a TCP MSG_PEEK. */
 	/* bbox: removed most of it */
 		lcladdr = xmalloc_sockaddr2dotted(&ouraddr->u.sa);
@@ -502,7 +502,7 @@ static int udptest(void)
 	/* use the tcp-ping trick: try connecting to a normally refused port, which
 	 causes us to block for the time that SYN gets there and RST gets back.
 	 Not completely reliable, but it *does* mostly work. */
-	/* Set a temporary connect timeout, so packet filtration doesnt cause
+	/* Set a temporary connect timeout, so packet filtration doesn't cause
 	 us to hang forever, and hit it */
 		o_wait = 5;                     /* enough that we'll notice?? */
 		rr = xsocket(ouraddr->u.sa.sa_family, SOCK_STREAM, 0);

networking/ntpd.c

@@ -393,7 +393,7 @@ struct globals {
 	 * too big and we will step. I observed it with -6.
 	 *
 	 * OTOH, setting precision_sec far too small would result in futile
-	 * attempts to syncronize to an unachievable precision.
+	 * attempts to synchronize to an unachievable precision.
 	 *
 	 * -6 is 1/64 sec, -7 is 1/128 sec and so on.
 	 * -8 is 1/256 ~= 0.003906 (worked well for me --vda)
@@ -754,7 +754,7 @@ reset_peer_stats(peer_t *p, double offset)
 	bool small_ofs = fabs(offset) < STEP_THRESHOLD;
 
 	/* Used to set p->filter_datapoint[i].d_dispersion = MAXDISP
-	 * and clear reachable bits, but this proved to be too agressive:
+	 * and clear reachable bits, but this proved to be too aggressive:
 	 * after step (tested with suspending laptop for ~30 secs),
 	 * this caused all previous data to be considered invalid,
 	 * making us needing to collect full ~8 datapoints per peer
@@ -1715,7 +1715,7 @@ update_local_clock(peer_t *p)
 	 * It looks like Linux kernel's PLL is far too gentle in changing
 	 * tmx.freq in response to clock offset. Offset keeps growing
 	 * and eventually we fall back to smaller poll intervals.
-	 * We can make correction more agressive (about x2) by supplying
+	 * We can make correction more aggressive (about x2) by supplying
 	 * PLL time constant which is one less than the real one.
 	 * To be on a safe side, let's do it only if offset is significantly
 	 * larger than jitter.

networking/ping.c

@@ -478,7 +478,7 @@ static void sendping_tail(void (*sp)(int), int size_pkt)
 	} else { /* -c NN, and all NN are sent (and no deadline) */
 		/* Wait for the last ping to come back.
 		 * -W timeout: wait for a response in seconds.
-		 * Affects only timeout in absense of any responses,
+		 * Affects only timeout in absence of any responses,
 		 * otherwise ping waits for two RTTs. */
 		unsigned expire = timeout;
 
@@ -712,7 +712,7 @@ static void ping4(len_and_sockaddr *lsa)
 
 	if (opt_ttl != 0) {
 		setsockopt_int(pingsock, IPPROTO_IP, IP_TTL, opt_ttl);
-		/* above doesnt affect packets sent to bcast IP, so... */
+		/* above doesn't affect packets sent to bcast IP, so... */
 		setsockopt_int(pingsock, IPPROTO_IP, IP_MULTICAST_TTL, opt_ttl);
 	}
 

networking/tcpudp.c

@@ -683,7 +683,7 @@ prog
 -E
     no special environment. Do not set up TCP-related environment variables.
 -v
-    verbose. Print verbose messsages to standard output.
+    verbose. Print verbose messages to standard output.
 -vv
     more verbose. Print more verbose messages to standard output.
     * no difference between -v and -vv in busyboxed version

networking/udhcp/dhcpc.c

@@ -1460,7 +1460,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
 					already_waited_sec += (unsigned)monotonic_sec() - timestamp_before_wait;
 					continue;
 				}
-				/* Else: an error occured, panic! */
+				/* Else: an error occurred, panic! */
 				bb_perror_msg_and_die("select");
 			}
 		}

networking/udhcp/dhcprelay.c

@@ -361,7 +361,7 @@ int dhcprelay_main(int argc, char **argv)
 //   which the reply must be sent (i.e., the host or router interface
 //   connected to the same network as the BOOTP client).  If the content
 //   of the 'giaddr' field does not match one of the relay agent's
-//   directly-connected logical interfaces, the BOOTREPLY messsage MUST be
+//   directly-connected logical interfaces, the BOOTREPLY message MUST be
 //   silently discarded.
 				if (udhcp_read_interface(iface_list[i], NULL, &dhcp_msg.gateway_nip, NULL)) {
 					/* Fall back to our IP on server iface */

networking/vconfig.c

@@ -138,7 +138,7 @@ int vconfig_main(int argc, char **argv)
 		/* I suppose one could try to combine some of the function calls below,
 		 * since ifr.u.flag, ifr.u.VID, and ifr.u.skb_priority are all same-sized
 		 * (unsigned) int members of a unions.  But because of the range checking,
-		 * doing so wouldn't save that much space and would also make maintainence
+		 * doing so wouldn't save that much space and would also make maintenance
 		 * more of a pain.
 		 */
 		if (ifr.cmd == SET_VLAN_FLAG_CMD) {