Avoid use of "register" as optimization hint.

resolv/arpa/nameser.h

@@ -433,7 +433,7 @@ typedef enum __ns_cert_types {
  * Inline versions of get/put short/long.  Pointer is advanced.
  */
 #define NS_GET16(s, cp) do { \
-	register const u_char *t_cp = (const u_char *)(cp); \
+	const u_char *t_cp = (const u_char *)(cp); \
 	(s) = ((u_int16_t)t_cp[0] << 8) \
 	    | ((u_int16_t)t_cp[1]) \
 	    ; \
@@ -441,7 +441,7 @@ typedef enum __ns_cert_types {
 } while (0)
 
 #define NS_GET32(l, cp) do { \
-	register const u_char *t_cp = (const u_char *)(cp); \
+	const u_char *t_cp = (const u_char *)(cp); \
 	(l) = ((u_int32_t)t_cp[0] << 24) \
 	    | ((u_int32_t)t_cp[1] << 16) \
 	    | ((u_int32_t)t_cp[2] << 8) \
@@ -451,16 +451,16 @@ typedef enum __ns_cert_types {
 } while (0)
 
 #define NS_PUT16(s, cp) do { \
-	register u_int16_t t_s = (u_int16_t)(s); \
-	register u_char *t_cp = (u_char *)(cp); \
+	u_int16_t t_s = (u_int16_t)(s); \
+	u_char *t_cp = (u_char *)(cp); \
 	*t_cp++ = t_s >> 8; \
 	*t_cp   = t_s; \
 	(cp) += NS_INT16SZ; \
 } while (0)
 
 #define NS_PUT32(l, cp) do { \
-	register u_int32_t t_l = (u_int32_t)(l); \
-	register u_char *t_cp = (u_char *)(cp); \
+	u_int32_t t_l = (u_int32_t)(l); \
+	u_char *t_cp = (u_char *)(cp); \
 	*t_cp++ = t_l >> 24; \
 	*t_cp++ = t_l >> 16; \
 	*t_cp++ = t_l >> 8; \

resolv/gethnamaddr.c

@@ -178,9 +178,9 @@ Dprintf(msg, num)
 static struct hostent *
 getanswer (const querybuf *answer, int anslen, const char *qname, int qtype)
 {
-	register const HEADER *hp;
-	register const u_char *cp;
-	register int n;
+	const HEADER *hp;
+	const u_char *cp;
+	int n;
 	const u_char *eom, *erdata;
 	char *bp, **ap, **hap;
 	int type, class, buflen, ancount, qdcount;
@@ -409,7 +409,7 @@ getanswer (const querybuf *answer, int anslen, const char *qname, int qtype)
 				continue;
 			}
 			if (!haveanswer) {
-				register int nn;
+				int nn;
 
 				host.h_name = bp;
 				nn = strlen(bp) + 1;	/* for the \0 */
@@ -514,7 +514,7 @@ gethostbyname2(name, af)
 	  u_char *ptr;
 	} buf;
 	querybuf *origbuf;
-	register const char *cp;
+	const char *cp;
 	char *bp;
 	int n, size, type, len;
 	struct hostent *ret;
@@ -653,10 +653,10 @@ gethostbyaddr(addr, len, af)
 	  u_char *ptr;
 	} buf;
 	querybuf *orig_buf;
-	register struct hostent *hp;
+	struct hostent *hp;
 	char qbuf[MAXDNAME+1], *qp = NULL;
 #ifdef SUNSECURITY
-	register struct hostent *rhp;
+	struct hostent *rhp;
 	char **haddr;
 	u_long old_options;
 	char hname2[MAXDNAME+1];
@@ -807,7 +807,7 @@ struct hostent *
 _gethtent()
 {
 	char *p;
-	register char *cp, **q;
+	char *cp, **q;
 	int af, len;
 
 	if (!hostf && !(hostf = fopen(_PATH_HOSTS, "rce" ))) {
@@ -888,8 +888,8 @@ _gethtbyname2(name, af)
 	const char *name;
 	int af;
 {
-	register struct hostent *p;
-	register char **cp;
+	struct hostent *p;
+	char **cp;
 
 	_sethtent(0);
 	while ((p = _gethtent())) {
@@ -913,7 +913,7 @@ _gethtbyaddr(addr, len, af)
 	size_t len;
 	int af;
 {
-	register struct hostent *p;
+	struct hostent *p;
 
 	_sethtent(0);
 	while ((p = _gethtent()))

resolv/ns_print.c

@@ -935,7 +935,7 @@ dst_s_id_calc(const u_char *key, const int keysize)
 static u_int16_t
 dst_s_get_int16(const u_char *buf)
 {
-	register u_int16_t a = 0;
+	u_int16_t a = 0;
 	a = ((u_int16_t)(buf[0] << 8)) | ((u_int16_t)(buf[1]));
 	return (a);
 }

resolv/nss_dns/dns-host.c

@@ -601,7 +601,7 @@ getanswer_r (const querybuf *answer, int anslen, const char *qname, int qtype,
     char *h_addr_ptrs[0];
   } *host_data;
   int linebuflen;
-  register const HEADER *hp;
+  const HEADER *hp;
   const u_char *end_of_message, *cp;
   int n, ancount, qdcount;
   int haveanswer, had_error;
@@ -920,7 +920,7 @@ getanswer_r (const querybuf *answer, int anslen, const char *qname, int qtype,
 	    }
 	  if (!haveanswer)
 	    {
-	      register int nn;
+	      int nn;
 
 	      /* We compose a single hostent out of the entire chain of
 	         entries, so the TTL of the hostent is essentially the lowest

resolv/res_init.c

@@ -149,9 +149,9 @@ libc_hidden_def (__res_ninit)
 /* This function has to be reachable by res_data.c but not publically. */
 int
 __res_vinit(res_state statp, int preinit) {
-	register FILE *fp;
-	register char *cp, **pp;
-	register int n;
+	FILE *fp;
+	char *cp, **pp;
+	int n;
 	char buf[BUFSIZ];
 	int nserv = 0;    /* number of nameserver records read from file */
 #ifdef _LIBC
@@ -571,7 +571,7 @@ static u_int32_t
 net_mask(in)		/* XXX - should really use system's version of this */
 	struct in_addr in;
 {
-	register u_int32_t i = ntohl(in.s_addr);
+	u_int32_t i = ntohl(in.s_addr);
 
 	if (IN_CLASSA(i))
 		return (htonl(IN_CLASSA_NET));

resolv/res_mkquery.c

@@ -104,9 +104,9 @@ res_nmkquery(res_state statp,
 	     u_char *buf,		/* buffer to put query */
 	     int buflen)		/* size of buffer */
 {
-	register HEADER *hp;
-	register u_char *cp;
-	register int n;
+	HEADER *hp;
+	u_char *cp;
+	int n;
 	u_char *dnptrs[20], **dpp, **lastdnptr;
 
 #ifdef DEBUG