Silence "end-of-loop condition not reached" warnings from Solaris compiler

CHANGES

@@ -1,10 +1,13 @@
+ 165.   [cleanup]       Silence "end-of-loop condition not reached" warnings
+                        from Solaris compiler.
 
- 164.   [cleanup]	Added functions isc_file_fopen(), isc_file_fclose(),
+ 164.   [func]		Added functions isc_file_fopen(), isc_file_fclose(),
 			isc_file_fseek(), isc_file_fread(), isc_file_fwrite(),
 			isc_file_fflush(), isc_file_ffsync(), isc_file_remove()
 			to encapsulate nonportable usage of errno and fflush().
 
- 163.   [func]		Added result codes ISC_R_FILENOTFOUND and ISC_R_FILEEXISTS.
+ 163.   [func]		Added result codes ISC_R_FILENOTFOUND and
+			ISC_R_FILEEXISTS.
 
  162.   [bug]           Ensure proper range for arguments to ctype.h functions.
 

bin/named/notify.c

@@ -71,16 +71,21 @@
  * Fail unconditionally with result 'code', which must not
  * be ISC_R_SUCCESS.  The reason for failure presumably has
  * been logged already.
+ *
+ * The test is there to keep the Solaris compiler from complaining
+ * about "end-of-loop code not reached".
  */
 
 #define FAIL(code) \
 	do {							\
 		result = (code);				\
-		goto failure;					\
+		if (code != ISC_R_SUCCESS) goto failure;	\
 	} while (0)
 
 /*
  * Fail unconditionally and log as a client error.
+ * The test against ISC_R_SUCCESS is there to keep the Solaris compiler
+ * from complaining about "end-of-loop code not reached".
  */
 #define FAILC(code, msg) \
 	do {							\
@@ -88,11 +93,13 @@
 		isc_log_write(NOTIFY_PROTOCOL_LOGARGS,		\
 			      "notify failed: %s (%s)",	\
 		      	      msg, isc_result_totext(code));	\
-		goto failure;					\
+		if (code != ISC_R_SUCCESS) goto failure;	\
 	} while (0)
 
 /*
  * Fail unconditionally and log as a server error.
+ * The test against ISC_R_SUCCESS is there to keep the Solaris compiler
+ * from complaining about "end-of-loop code not reached".
  */
 #define FAILS(code, msg) \
 	do {							\
@@ -100,7 +107,7 @@
 		isc_log_write(NOTIFY_PROTOCOL_LOGARGS,		\
 			      "notify error: %s: %s", 	\
 			      msg, isc_result_totext(code));	\
-		goto failure;					\
+		if (code != ISC_R_SUCCESS) goto failure;	\
 	} while (0)
 
 /**************************************************************************/

bin/named/update.c

@@ -89,16 +89,21 @@
  * Fail unconditionally with result 'code', which must not
  * be ISC_R_SUCCESS.  The reason for failure presumably has
  * been logged already.
+ *
+ * The test against ISC_R_SUCCESS is there to keep the Solaris compiler
+ * from complaining about "end-of-loop code not reached".
  */
 
 #define FAIL(code) \
 	do {							\
 		result = (code);				\
-		goto failure;					\
+		if (code != ISC_R_SUCCESS) goto failure;	\
 	} while (0)
 
 /*
  * Fail unconditionally and log as a client error.
+ * The test against ISC_R_SUCCESS is there to keep the Solaris compiler
+ * from complaining about "end-of-loop code not reached".
  */
 #define FAILC(code, msg) \
 	do {							\
@@ -106,11 +111,13 @@
 		isc_log_write(UPDATE_PROTOCOL_LOGARGS,		\
 			      "dynamic update failed: %s (%s)",	\
 		      	      msg, isc_result_totext(code));	\
-		goto failure;					\
+		if (code != ISC_R_SUCCESS) goto failure;	\
 	} while (0)
 
 /*
  * Fail unconditionally and log as a server error.
+ * The test against ISC_R_SUCCESS is there to keep the Solaris compiler
+ * from complaining about "end-of-loop code not reached".
  */
 #define FAILS(code, msg) \
 	do {							\
@@ -118,7 +125,7 @@
 		isc_log_write(UPDATE_PROTOCOL_LOGARGS,		\
 			      "dynamic update error: %s: %s", 	\
 			      msg, isc_result_totext(code));	\
-		goto failure;					\
+		if (code != ISC_R_SUCCESS) goto failure;	\
 	} while (0)
 
 /**************************************************************************/

bin/named/xfrout.c

@@ -15,7 +15,7 @@
  * SOFTWARE.
  */
 
-/* $Id: xfrout.c,v 1.60 2000/05/08 14:33:01 tale Exp $ */
+/* $Id: xfrout.c,v 1.61 2000/05/10 03:33:52 tale Exp $ */
 
 #include <config.h>
 
@@ -62,6 +62,8 @@
 
 /*
  * Fail unconditionally and log as a client error.
+ * The test against ISC_R_SUCCESS is there to keep the Solaris compiler
+ * from complaining about "end-of-loop code not reached".
  */
 #define FAILC(code, msg) \
 	do {							\
@@ -70,7 +72,7 @@
 			   NS_LOGMODULE_XFER_OUT, ISC_LOG_INFO, \
 			   "bad zone transfer request: %s (%s)", \
 		      	   msg, isc_result_totext(code));	\
-		goto failure;					\
+		if (result != ISC_R_SUCCESS) goto failure;	\
 	} while (0)
 
 #define CHECK(op) \

lib/dns/journal.c

@@ -55,7 +55,15 @@ static isc_boolean_t bind8_compat = ISC_TRUE; /* XXX config */
 #define JOURNAL_DEBUG_LOGARGS(n) \
 	JOURNAL_COMMON_LOGARGS, ISC_LOG_DEBUG(n)
 
-#define FAIL(code) do { result = (code); goto failure; } while (0)
+/*
+ * It would be non-sensical (or at least obtuse) to use FAIL() with an
+ * ISC_R_SUCCESS code, but the test is there to keep the Solaris compiler
+ * from complaining about "end-of-loop code not reached".
+ */
+#define FAIL(code) \
+	do { result = (code);					\
+		if (result != ISC_R_SUCCESS) goto failure;	\
+	} while (0)
 
 #define CHECK(op) \
      	do { result = (op); 					\

lib/dns/xfrin.c

@@ -15,7 +15,7 @@
  * SOFTWARE.
  */
 
-/* $Id: xfrin.c,v 1.67 2000/05/08 19:23:22 tale Exp $ */
+/* $Id: xfrin.c,v 1.68 2000/05/10 03:33:54 tale Exp $ */
 
 #include <config.h>
 
@@ -45,10 +45,20 @@
  * Incoming AXFR and IXFR.
  */
 
-#define FAIL(code) do { result = (code); goto failure; } while (0)
-#define CHECK(op) do { result = (op); \
-		       if (result != ISC_R_SUCCESS) goto failure; \
-		     } while (0)
+/*
+ * It would be non-sensical (or at least obtuse) to use FAIL() with an
+ * ISC_R_SUCCESS code, but the test is there to keep the Solaris compiler
+ * from complaining about "end-of-loop code not reached".
+ */
+#define FAIL(code) \
+	do { result = (code);					\
+		if (result != ISC_R_SUCCESS) goto failure;	\
+	} while (0)
+
+#define CHECK(op) \
+	do { result = (op);					\
+		if (result != ISC_R_SUCCESS) goto failure;	\
+	} while (0)
 
 /*
  * The states of the *XFR state machine.  We handle both IXFR and AXFR

lib/lwres/getaddrinfo.c

@@ -3,7 +3,7 @@
  * The Berkeley Software Design Inc. software License Agreement specifies
  * the terms and conditions for redistribution.
  *
- *	BSDI $Id: getaddrinfo.c,v 1.15 2000/04/28 02:08:12 tale Exp $
+ *	BSDI $Id: getaddrinfo.c,v 1.16 2000/05/10 03:33:56 tale Exp $
  */
 
 #include <config.h>
@@ -219,7 +219,9 @@ lwres_getaddrinfo(const char *hostname, const char *servname,
 
 		if (lwres_net_aton(hostname, (struct in_addr *)abuf)) {
 			if (family == AF_INET6) {
-				/* Convert to a V4 mapped address */
+				/*
+				 * Convert to a V4 mapped address.
+				 */
 				struct in6_addr *a6 = (struct in6_addr *)abuf;
 				memcpy(&a6->s6_addr[12], &a6->s6_addr[0], 4);
 				memset(&a6->s6_addr[10], 0xff, 2);
@@ -319,7 +321,9 @@ set_order(family, net_order)
 		order = getenv("NET_ORDER");
 		found = 0;
 		while (order != NULL) {
-			/* We ignore any unknown names.  */
+			/*
+			 * We ignore any unknown names.
+			 */
 			tok = lwres_strsep(&order, ":");
 			if (strcasecmp(tok, "inet6") == 0) {
 				if ((found & FOUND_IPV6) == 0)
@@ -333,7 +337,9 @@ set_order(family, net_order)
 			}
 		}
 
-		/* Add in anything that we didn't find */
+		/*
+		 * Add in anything that we didn't find.
+		 */
 		if ((found & FOUND_IPV4) == 0)
 			*net_order++ = add_ipv4;
 		if ((found & FOUND_IPV6) == 0)
@@ -345,11 +351,18 @@ set_order(family, net_order)
 
 static char v4_loop[4] = { 127, 0, 0, 1 };
 
-#define ERR(x) do { result = (x); goto cleanup; } while (0)
+/*
+ * The test against 0 is there to keep the Solaris compiler
+ * from complaining about "end-of-loop code not reached".
+ */
+#define ERR(code) \
+	do { result = (code);			\
+		if (result != 0) goto cleanup;	\
+	} while (0)
 
 static int
 add_ipv4(const char *hostname, int flags, struct addrinfo **aip,
-    int socktype, int port)
+	int socktype, int port)
 {
 	struct addrinfo *ai;
 	lwres_context_t *lwrctx = NULL;
@@ -551,10 +564,14 @@ ai_reverse(struct addrinfo *oai) {
 	nai = NULL;
 
 	while (oai) {
-		/* grab one off the old list */
+		/*
+		 * Grab one off the old list.
+		 */
 		tai = oai;
 		oai = oai->ai_next;
-		/* put it on the front of the new list */
+		/*
+		 * Put it on the front of the new list.
+		 */
 		tai->ai_next = nai;
 		nai = tai;
 	}

lib/lwres/getnameinfo.c

@@ -74,7 +74,14 @@ static struct afd {
 #define ENI_FAMILY	5
 #define ENI_SALEN	6
 
-#define ERR(x) do { result = (x); goto cleanup; } while (0)
+/*
+ * The test against 0 is there to keep the Solaris compiler
+ * from complaining about "end-of-loop code not reached".
+ */
+#define ERR(code) \
+	do { result = (code);			\
+		if (result != 0) goto cleanup;	\
+	} while (0)
 
 int
 lwres_getnameinfo(const struct sockaddr *sa, size_t salen, char *host,