Recorded merge of revisions 81029 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r81029 | antoine.pitrou | 2010-05-09 16:46:46 +0200 (dim., 09 mai 2010) | 3 lines

  Untabify C files. Will watch buildbots.
........
diff --git a/Modules/getaddrinfo.c b/Modules/getaddrinfo.c
index 4d19c34..1d0bfbb 100644
--- a/Modules/getaddrinfo.c
+++ b/Modules/getaddrinfo.c
@@ -1,7 +1,7 @@
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
  * All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -13,7 +13,7 @@
  * 3. Neither the name of the project nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  * GAI_ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -73,52 +73,52 @@
 
 static const char in_addrany[] = { 0, 0, 0, 0 };
 static const char in6_addrany[] = {
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
 };
-static const char in_loopback[] = { 127, 0, 0, 1 }; 
+static const char in_loopback[] = { 127, 0, 0, 1 };
 static const char in6_loopback[] = {
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
 };
 
 struct sockinet {
-	u_char	si_len;
-	u_char	si_family;
-	u_short	si_port;
+    u_char      si_len;
+    u_char      si_family;
+    u_short     si_port;
 };
 
 static struct gai_afd {
-	int a_af;
-	int a_addrlen;
-	int a_socklen;
-	int a_off;
-	const char *a_addrany;
-	const char *a_loopback;	
+    int a_af;
+    int a_addrlen;
+    int a_socklen;
+    int a_off;
+    const char *a_addrany;
+    const char *a_loopback;
 } gai_afdl [] = {
 #ifdef ENABLE_IPV6
 #define N_INET6 0
-	{PF_INET6, sizeof(struct in6_addr),
-	 sizeof(struct sockaddr_in6),
-	 offsetof(struct sockaddr_in6, sin6_addr),
-	 in6_addrany, in6_loopback},
+    {PF_INET6, sizeof(struct in6_addr),
+     sizeof(struct sockaddr_in6),
+     offsetof(struct sockaddr_in6, sin6_addr),
+     in6_addrany, in6_loopback},
 #define N_INET  1
 #else
 #define N_INET  0
 #endif
-	{PF_INET, sizeof(struct in_addr),
-	 sizeof(struct sockaddr_in),
-	 offsetof(struct sockaddr_in, sin_addr),
-	 in_addrany, in_loopback},
-	{0, 0, 0, 0, NULL, NULL},
+    {PF_INET, sizeof(struct in_addr),
+     sizeof(struct sockaddr_in),
+     offsetof(struct sockaddr_in, sin_addr),
+     in_addrany, in_loopback},
+    {0, 0, 0, 0, NULL, NULL},
 };
 
 #ifdef ENABLE_IPV6
-#define PTON_MAX	16
+#define PTON_MAX        16
 #else
-#define PTON_MAX	4
+#define PTON_MAX        4
 #endif
 
 #ifndef IN_MULTICAST
-#define IN_MULTICAST(i)	    (((i) & 0xf0000000U) == 0xe0000000U)
+#define IN_MULTICAST(i)     (((i) & 0xf0000000U) == 0xe0000000U)
 #endif
 
 #ifndef IN_EXPERIMENTAL
@@ -126,73 +126,73 @@
 #endif
 
 #ifndef IN_LOOPBACKNET
-#define IN_LOOPBACKNET	    127
+#define IN_LOOPBACKNET      127
 #endif
 
 static int get_name Py_PROTO((const char *, struct gai_afd *,
-			  struct addrinfo **, char *, struct addrinfo *,
-			  int));
+                          struct addrinfo **, char *, struct addrinfo *,
+                          int));
 static int get_addr Py_PROTO((const char *, int, struct addrinfo **,
-			struct addrinfo *, int));
+                        struct addrinfo *, int));
 static int str_isnumber Py_PROTO((const char *));
-	
+
 static char *ai_errlist[] = {
-	"success.",
-	"address family for hostname not supported.",	/* EAI_ADDRFAMILY */
-	"temporary failure in name resolution.",	/* EAI_AGAIN      */
-	"invalid value for ai_flags.",		       	/* EAI_BADFLAGS   */
-	"non-recoverable failure in name resolution.", 	/* EAI_FAIL       */
-	"ai_family not supported.",			/* EAI_FAMILY     */
-	"memory allocation failure.", 			/* EAI_MEMORY     */
-	"no address associated with hostname.", 	/* EAI_NODATA     */
-	"hostname nor servname provided, or not known.",/* EAI_NONAME     */
-	"servname not supported for ai_socktype.",	/* EAI_SERVICE    */
-	"ai_socktype not supported.", 			/* EAI_SOCKTYPE   */
-	"system error returned in errno.", 		/* EAI_SYSTEM     */
-	"invalid value for hints.",			/* EAI_BADHINTS	  */
-	"resolved protocol is unknown.",		/* EAI_PROTOCOL   */
-	"unknown error.", 				/* EAI_MAX        */
+    "success.",
+    "address family for hostname not supported.",       /* EAI_ADDRFAMILY */
+    "temporary failure in name resolution.",            /* EAI_AGAIN      */
+    "invalid value for ai_flags.",                      /* EAI_BADFLAGS   */
+    "non-recoverable failure in name resolution.",      /* EAI_FAIL       */
+    "ai_family not supported.",                         /* EAI_FAMILY     */
+    "memory allocation failure.",                       /* EAI_MEMORY     */
+    "no address associated with hostname.",             /* EAI_NODATA     */
+    "hostname nor servname provided, or not known.",/* EAI_NONAME     */
+    "servname not supported for ai_socktype.",          /* EAI_SERVICE    */
+    "ai_socktype not supported.",                       /* EAI_SOCKTYPE   */
+    "system error returned in errno.",                  /* EAI_SYSTEM     */
+    "invalid value for hints.",                         /* EAI_BADHINTS   */
+    "resolved protocol is unknown.",                    /* EAI_PROTOCOL   */
+    "unknown error.",                                   /* EAI_MAX        */
 };
 
 #define GET_CANONNAME(ai, str) \
 if (pai->ai_flags & AI_CANONNAME) {\
-	if (((ai)->ai_canonname = (char *)malloc(strlen(str) + 1)) != NULL) {\
-		strcpy((ai)->ai_canonname, (str));\
-	} else {\
-		error = EAI_MEMORY;\
-		goto free;\
-	}\
+    if (((ai)->ai_canonname = (char *)malloc(strlen(str) + 1)) != NULL) {\
+        strcpy((ai)->ai_canonname, (str));\
+    } else {\
+        error = EAI_MEMORY;\
+        goto free;\
+    }\
 }
 
 #ifdef HAVE_SOCKADDR_SA_LEN
 #define GET_AI(ai, gai_afd, addr, port) {\
-	char *p;\
-	if (((ai) = (struct addrinfo *)malloc(sizeof(struct addrinfo) +\
-					      ((gai_afd)->a_socklen)))\
-	    == NULL) goto free;\
-	memcpy(ai, pai, sizeof(struct addrinfo));\
-	(ai)->ai_addr = (struct sockaddr *)((ai) + 1);\
-	memset((ai)->ai_addr, 0, (gai_afd)->a_socklen);\
-	(ai)->ai_addr->sa_len = (ai)->ai_addrlen = (gai_afd)->a_socklen;\
-	(ai)->ai_addr->sa_family = (ai)->ai_family = (gai_afd)->a_af;\
-	((struct sockinet *)(ai)->ai_addr)->si_port = port;\
-	p = (char *)((ai)->ai_addr);\
-	memcpy(p + (gai_afd)->a_off, (addr), (gai_afd)->a_addrlen);\
+    char *p;\
+    if (((ai) = (struct addrinfo *)malloc(sizeof(struct addrinfo) +\
+                                          ((gai_afd)->a_socklen)))\
+        == NULL) goto free;\
+    memcpy(ai, pai, sizeof(struct addrinfo));\
+    (ai)->ai_addr = (struct sockaddr *)((ai) + 1);\
+    memset((ai)->ai_addr, 0, (gai_afd)->a_socklen);\
+    (ai)->ai_addr->sa_len = (ai)->ai_addrlen = (gai_afd)->a_socklen;\
+    (ai)->ai_addr->sa_family = (ai)->ai_family = (gai_afd)->a_af;\
+    ((struct sockinet *)(ai)->ai_addr)->si_port = port;\
+    p = (char *)((ai)->ai_addr);\
+    memcpy(p + (gai_afd)->a_off, (addr), (gai_afd)->a_addrlen);\
 }
 #else
 #define GET_AI(ai, gai_afd, addr, port) {\
-	char *p;\
-	if (((ai) = (struct addrinfo *)malloc(sizeof(struct addrinfo) +\
-					      ((gai_afd)->a_socklen)))\
-	    == NULL) goto free;\
-	memcpy(ai, pai, sizeof(struct addrinfo));\
-	(ai)->ai_addr = (struct sockaddr *)((ai) + 1);\
-	memset((ai)->ai_addr, 0, (gai_afd)->a_socklen);\
-	(ai)->ai_addrlen = (gai_afd)->a_socklen;\
-	(ai)->ai_addr->sa_family = (ai)->ai_family = (gai_afd)->a_af;\
-	((struct sockinet *)(ai)->ai_addr)->si_port = port;\
-	p = (char *)((ai)->ai_addr);\
-	memcpy(p + (gai_afd)->a_off, (addr), (gai_afd)->a_addrlen);\
+    char *p;\
+    if (((ai) = (struct addrinfo *)malloc(sizeof(struct addrinfo) +\
+                                          ((gai_afd)->a_socklen)))\
+        == NULL) goto free;\
+    memcpy(ai, pai, sizeof(struct addrinfo));\
+    (ai)->ai_addr = (struct sockaddr *)((ai) + 1);\
+    memset((ai)->ai_addr, 0, (gai_afd)->a_socklen);\
+    (ai)->ai_addrlen = (gai_afd)->a_socklen;\
+    (ai)->ai_addr->sa_family = (ai)->ai_family = (gai_afd)->a_af;\
+    ((struct sockinet *)(ai)->ai_addr)->si_port = port;\
+    p = (char *)((ai)->ai_addr);\
+    memcpy(p + (gai_afd)->a_off, (addr), (gai_afd)->a_addrlen);\
 }
 #endif
 
@@ -201,438 +201,438 @@
 char *
 gai_strerror(int ecode)
 {
-	if (ecode < 0 || ecode > EAI_MAX)
-		ecode = EAI_MAX;
-	return ai_errlist[ecode];
+    if (ecode < 0 || ecode > EAI_MAX)
+        ecode = EAI_MAX;
+    return ai_errlist[ecode];
 }
 
 void
 freeaddrinfo(struct addrinfo *ai)
 {
-	struct addrinfo *next;
+    struct addrinfo *next;
 
-	do {
-		next = ai->ai_next;
-		if (ai->ai_canonname)
-			free(ai->ai_canonname);
-		/* no need to free(ai->ai_addr) */
-		free(ai);
-	} while ((ai = next) != NULL);
+    do {
+        next = ai->ai_next;
+        if (ai->ai_canonname)
+            free(ai->ai_canonname);
+        /* no need to free(ai->ai_addr) */
+        free(ai);
+    } while ((ai = next) != NULL);
 }
 
 static int
 str_isnumber(const char *p)
 {
-	unsigned char *q = (unsigned char *)p;
-	while (*q) {
-		if (! isdigit(*q))
-			return NO;
-		q++;
-	}
-	return YES;
+    unsigned char *q = (unsigned char *)p;
+    while (*q) {
+        if (! isdigit(*q))
+            return NO;
+        q++;
+    }
+    return YES;
 }
 
 int
 getaddrinfo(const char*hostname, const char*servname,
             const struct addrinfo *hints, struct addrinfo **res)
 {
-	struct addrinfo sentinel;
-	struct addrinfo *top = NULL;
-	struct addrinfo *cur;
-	int i, error = 0;
-	char pton[PTON_MAX];
-	struct addrinfo ai;
-	struct addrinfo *pai;
-	u_short port;
+    struct addrinfo sentinel;
+    struct addrinfo *top = NULL;
+    struct addrinfo *cur;
+    int i, error = 0;
+    char pton[PTON_MAX];
+    struct addrinfo ai;
+    struct addrinfo *pai;
+    u_short port;
 
 #ifdef FAITH
-	static int firsttime = 1;
+    static int firsttime = 1;
 
-	if (firsttime) {
-		/* translator hack */
-		{
-			char *q = getenv("GAI");
-			if (q && inet_pton(AF_INET6, q, &faith_prefix) == 1)
-				translate = YES;
-		}
-		firsttime = 0;
-	}
+    if (firsttime) {
+        /* translator hack */
+        {
+            char *q = getenv("GAI");
+            if (q && inet_pton(AF_INET6, q, &faith_prefix) == 1)
+                translate = YES;
+        }
+        firsttime = 0;
+    }
 #endif
 
-	/* initialize file static vars */
-	sentinel.ai_next = NULL;
-	cur = &sentinel;
-	pai = &ai;
-	pai->ai_flags = 0;
-	pai->ai_family = PF_UNSPEC;
-	pai->ai_socktype = GAI_ANY;
-	pai->ai_protocol = GAI_ANY;
-	pai->ai_addrlen = 0;
-	pai->ai_canonname = NULL;
-	pai->ai_addr = NULL;
-	pai->ai_next = NULL;
-	port = GAI_ANY;
-	
-	if (hostname == NULL && servname == NULL)
-		return EAI_NONAME;
-	if (hints) {
-		/* error check for hints */
-		if (hints->ai_addrlen || hints->ai_canonname ||
-		    hints->ai_addr || hints->ai_next)
-			ERR(EAI_BADHINTS); /* xxx */
-		if (hints->ai_flags & ~AI_MASK)
-			ERR(EAI_BADFLAGS);
-		switch (hints->ai_family) {
-		case PF_UNSPEC:
-		case PF_INET:
+    /* initialize file static vars */
+    sentinel.ai_next = NULL;
+    cur = &sentinel;
+    pai = &ai;
+    pai->ai_flags = 0;
+    pai->ai_family = PF_UNSPEC;
+    pai->ai_socktype = GAI_ANY;
+    pai->ai_protocol = GAI_ANY;
+    pai->ai_addrlen = 0;
+    pai->ai_canonname = NULL;
+    pai->ai_addr = NULL;
+    pai->ai_next = NULL;
+    port = GAI_ANY;
+
+    if (hostname == NULL && servname == NULL)
+        return EAI_NONAME;
+    if (hints) {
+        /* error check for hints */
+        if (hints->ai_addrlen || hints->ai_canonname ||
+            hints->ai_addr || hints->ai_next)
+            ERR(EAI_BADHINTS); /* xxx */
+        if (hints->ai_flags & ~AI_MASK)
+            ERR(EAI_BADFLAGS);
+        switch (hints->ai_family) {
+        case PF_UNSPEC:
+        case PF_INET:
 #ifdef ENABLE_IPV6
-		case PF_INET6:
+        case PF_INET6:
 #endif
-			break;
-		default:
-			ERR(EAI_FAMILY);
-		}
-		memcpy(pai, hints, sizeof(*pai));
-		switch (pai->ai_socktype) {
-		case GAI_ANY:
-			switch (pai->ai_protocol) {
-			case GAI_ANY:
-				break;
-			case IPPROTO_UDP:
-				pai->ai_socktype = SOCK_DGRAM;
-				break;
-			case IPPROTO_TCP:
-				pai->ai_socktype = SOCK_STREAM;
-				break;
-			default:
-				pai->ai_socktype = SOCK_RAW;
-				break;
-			}
-			break;
-		case SOCK_RAW:
-			break;
-		case SOCK_DGRAM:
-			if (pai->ai_protocol != IPPROTO_UDP &&
-			    pai->ai_protocol != GAI_ANY)
-				ERR(EAI_BADHINTS);	/*xxx*/
-			pai->ai_protocol = IPPROTO_UDP;
-			break;
-		case SOCK_STREAM:
-			if (pai->ai_protocol != IPPROTO_TCP &&
-			    pai->ai_protocol != GAI_ANY)
-				ERR(EAI_BADHINTS);	/*xxx*/
-			pai->ai_protocol = IPPROTO_TCP;
-			break;
-		default:
-			ERR(EAI_SOCKTYPE);
-			/* unreachable */
-		}
-	}
+            break;
+        default:
+            ERR(EAI_FAMILY);
+        }
+        memcpy(pai, hints, sizeof(*pai));
+        switch (pai->ai_socktype) {
+        case GAI_ANY:
+            switch (pai->ai_protocol) {
+            case GAI_ANY:
+                break;
+            case IPPROTO_UDP:
+                pai->ai_socktype = SOCK_DGRAM;
+                break;
+            case IPPROTO_TCP:
+                pai->ai_socktype = SOCK_STREAM;
+                break;
+            default:
+                pai->ai_socktype = SOCK_RAW;
+                break;
+            }
+            break;
+        case SOCK_RAW:
+            break;
+        case SOCK_DGRAM:
+            if (pai->ai_protocol != IPPROTO_UDP &&
+                pai->ai_protocol != GAI_ANY)
+                ERR(EAI_BADHINTS);                      /*xxx*/
+            pai->ai_protocol = IPPROTO_UDP;
+            break;
+        case SOCK_STREAM:
+            if (pai->ai_protocol != IPPROTO_TCP &&
+                pai->ai_protocol != GAI_ANY)
+                ERR(EAI_BADHINTS);                      /*xxx*/
+            pai->ai_protocol = IPPROTO_TCP;
+            break;
+        default:
+            ERR(EAI_SOCKTYPE);
+            /* unreachable */
+        }
+    }
 
-	/*
-	 * service port
-	 */
-	if (servname) {
-		if (str_isnumber(servname)) {
-			if (pai->ai_socktype == GAI_ANY) {
-				/* caller accept *GAI_ANY* socktype */
-				pai->ai_socktype = SOCK_DGRAM;
-				pai->ai_protocol = IPPROTO_UDP;
-			}
-			port = htons((u_short)atoi(servname));
-		} else {
-			struct servent *sp;
-			char *proto;
+    /*
+     * service port
+     */
+    if (servname) {
+        if (str_isnumber(servname)) {
+            if (pai->ai_socktype == GAI_ANY) {
+                /* caller accept *GAI_ANY* socktype */
+                pai->ai_socktype = SOCK_DGRAM;
+                pai->ai_protocol = IPPROTO_UDP;
+            }
+            port = htons((u_short)atoi(servname));
+        } else {
+            struct servent *sp;
+            char *proto;
 
-			proto = NULL;
-			switch (pai->ai_socktype) {
-			case GAI_ANY:
-				proto = NULL;
-				break;
-			case SOCK_DGRAM:
-				proto = "udp";
-				break;
-			case SOCK_STREAM:
-				proto = "tcp";
-				break;
-			default:
-				fprintf(stderr, "panic!\n");
-				break;
-			}
-			if ((sp = getservbyname(servname, proto)) == NULL)
-				ERR(EAI_SERVICE);
-			port = sp->s_port;
-			if (pai->ai_socktype == GAI_ANY) {
-				if (strcmp(sp->s_proto, "udp") == 0) {
-					pai->ai_socktype = SOCK_DGRAM;
-					pai->ai_protocol = IPPROTO_UDP;
-				} else if (strcmp(sp->s_proto, "tcp") == 0) {
-                                        pai->ai_socktype = SOCK_STREAM;
-                                        pai->ai_protocol = IPPROTO_TCP;
-                                } else
-                                        ERR(EAI_PROTOCOL);	/*xxx*/
-                        }
-		}
-	}
-	
-	/*
-	 * hostname == NULL.
-	 * passive socket -> anyaddr (0.0.0.0 or ::)
-	 * non-passive socket -> localhost (127.0.0.1 or ::1)
-	 */
-	if (hostname == NULL) {
-		struct gai_afd *gai_afd;
+            proto = NULL;
+            switch (pai->ai_socktype) {
+            case GAI_ANY:
+                proto = NULL;
+                break;
+            case SOCK_DGRAM:
+                proto = "udp";
+                break;
+            case SOCK_STREAM:
+                proto = "tcp";
+                break;
+            default:
+                fprintf(stderr, "panic!\n");
+                break;
+            }
+            if ((sp = getservbyname(servname, proto)) == NULL)
+                ERR(EAI_SERVICE);
+            port = sp->s_port;
+            if (pai->ai_socktype == GAI_ANY) {
+                if (strcmp(sp->s_proto, "udp") == 0) {
+                    pai->ai_socktype = SOCK_DGRAM;
+                    pai->ai_protocol = IPPROTO_UDP;
+                } else if (strcmp(sp->s_proto, "tcp") == 0) {
+                    pai->ai_socktype = SOCK_STREAM;
+                    pai->ai_protocol = IPPROTO_TCP;
+                } else
+                    ERR(EAI_PROTOCOL);                          /*xxx*/
+            }
+        }
+    }
 
-		for (gai_afd = &gai_afdl[0]; gai_afd->a_af; gai_afd++) {
-			if (!(pai->ai_family == PF_UNSPEC
-			   || pai->ai_family == gai_afd->a_af)) {
-				continue;
-			}
+    /*
+     * hostname == NULL.
+     * passive socket -> anyaddr (0.0.0.0 or ::)
+     * non-passive socket -> localhost (127.0.0.1 or ::1)
+     */
+    if (hostname == NULL) {
+        struct gai_afd *gai_afd;
 
-			if (pai->ai_flags & AI_PASSIVE) {
-				GET_AI(cur->ai_next, gai_afd, gai_afd->a_addrany, port);
-				/* xxx meaningless?
-				 * GET_CANONNAME(cur->ai_next, "anyaddr");
-				 */
-			} else {
-				GET_AI(cur->ai_next, gai_afd, gai_afd->a_loopback,
-					port);
-				/* xxx meaningless?
-				 * GET_CANONNAME(cur->ai_next, "localhost");
-				 */
-			}
-			cur = cur->ai_next;
-		}
-		top = sentinel.ai_next;
-		if (top)
-			goto good;
-		else
-			ERR(EAI_FAMILY);
-	}
-	
-	/* hostname as numeric name */
-	for (i = 0; gai_afdl[i].a_af; i++) {
-		if (inet_pton(gai_afdl[i].a_af, hostname, pton)) {
-			u_long v4a;
+        for (gai_afd = &gai_afdl[0]; gai_afd->a_af; gai_afd++) {
+            if (!(pai->ai_family == PF_UNSPEC
+               || pai->ai_family == gai_afd->a_af)) {
+                continue;
+            }
+
+            if (pai->ai_flags & AI_PASSIVE) {
+                GET_AI(cur->ai_next, gai_afd, gai_afd->a_addrany, port);
+                /* xxx meaningless?
+                 * GET_CANONNAME(cur->ai_next, "anyaddr");
+                 */
+            } else {
+                GET_AI(cur->ai_next, gai_afd, gai_afd->a_loopback,
+                    port);
+                /* xxx meaningless?
+                 * GET_CANONNAME(cur->ai_next, "localhost");
+                 */
+            }
+            cur = cur->ai_next;
+        }
+        top = sentinel.ai_next;
+        if (top)
+            goto good;
+        else
+            ERR(EAI_FAMILY);
+    }
+
+    /* hostname as numeric name */
+    for (i = 0; gai_afdl[i].a_af; i++) {
+        if (inet_pton(gai_afdl[i].a_af, hostname, pton)) {
+            u_long v4a;
 #ifdef ENABLE_IPV6
-			u_char pfx;
+            u_char pfx;
 #endif
 
-			switch (gai_afdl[i].a_af) {
-			case AF_INET:
-				v4a = ((struct in_addr *)pton)->s_addr;
-				v4a = ntohl(v4a);
-				if (IN_MULTICAST(v4a) || IN_EXPERIMENTAL(v4a))
-					pai->ai_flags &= ~AI_CANONNAME;
-				v4a >>= IN_CLASSA_NSHIFT;
-				if (v4a == 0 || v4a == IN_LOOPBACKNET)
-					pai->ai_flags &= ~AI_CANONNAME;
-				break;
+            switch (gai_afdl[i].a_af) {
+            case AF_INET:
+                v4a = ((struct in_addr *)pton)->s_addr;
+                v4a = ntohl(v4a);
+                if (IN_MULTICAST(v4a) || IN_EXPERIMENTAL(v4a))
+                    pai->ai_flags &= ~AI_CANONNAME;
+                v4a >>= IN_CLASSA_NSHIFT;
+                if (v4a == 0 || v4a == IN_LOOPBACKNET)
+                    pai->ai_flags &= ~AI_CANONNAME;
+                break;
 #ifdef ENABLE_IPV6
-			case AF_INET6:
-				pfx = ((struct in6_addr *)pton)->s6_addr8[0];
-				if (pfx == 0 || pfx == 0xfe || pfx == 0xff)
-					pai->ai_flags &= ~AI_CANONNAME;
-				break;
+            case AF_INET6:
+                pfx = ((struct in6_addr *)pton)->s6_addr8[0];
+                if (pfx == 0 || pfx == 0xfe || pfx == 0xff)
+                    pai->ai_flags &= ~AI_CANONNAME;
+                break;
 #endif
-			}
-			
-			if (pai->ai_family == gai_afdl[i].a_af ||
-			    pai->ai_family == PF_UNSPEC) {
-				if (! (pai->ai_flags & AI_CANONNAME)) {
-					GET_AI(top, &gai_afdl[i], pton, port);
-					goto good;
-				}
-				/*
-				 * if AI_CANONNAME and if reverse lookup
-				 * fail, return ai anyway to pacify
-				 * calling application.
-				 *
-				 * XXX getaddrinfo() is a name->address
-				 * translation function, and it looks strange
-				 * that we do addr->name translation here.
-				 */
-				get_name(pton, &gai_afdl[i], &top, pton, pai, port);
-				goto good;
-			} else 
-				ERR(EAI_FAMILY);	/*xxx*/
-		}
-	}
+            }
 
-	if (pai->ai_flags & AI_NUMERICHOST)
-		ERR(EAI_NONAME);
+            if (pai->ai_family == gai_afdl[i].a_af ||
+                pai->ai_family == PF_UNSPEC) {
+                if (! (pai->ai_flags & AI_CANONNAME)) {
+                    GET_AI(top, &gai_afdl[i], pton, port);
+                    goto good;
+                }
+                /*
+                 * if AI_CANONNAME and if reverse lookup
+                 * fail, return ai anyway to pacify
+                 * calling application.
+                 *
+                 * XXX getaddrinfo() is a name->address
+                 * translation function, and it looks strange
+                 * that we do addr->name translation here.
+                 */
+                get_name(pton, &gai_afdl[i], &top, pton, pai, port);
+                goto good;
+            } else
+                ERR(EAI_FAMILY);                        /*xxx*/
+        }
+    }
 
-	/* hostname as alphabetical name */
-	error = get_addr(hostname, pai->ai_family, &top, pai, port);
-	if (error == 0) {
-		if (top) {
+    if (pai->ai_flags & AI_NUMERICHOST)
+        ERR(EAI_NONAME);
+
+    /* hostname as alphabetical name */
+    error = get_addr(hostname, pai->ai_family, &top, pai, port);
+    if (error == 0) {
+        if (top) {
  good:
-			*res = top;
-			return SUCCESS;
-		} else
-			error = EAI_FAIL;
-	}
+            *res = top;
+            return SUCCESS;
+        } else
+            error = EAI_FAIL;
+    }
  free:
-	if (top)
-		freeaddrinfo(top);
+    if (top)
+        freeaddrinfo(top);
  bad:
-	*res = NULL;
-	return error;
+    *res = NULL;
+    return error;
 }
 
 static int
 get_name(addr, gai_afd, res, numaddr, pai, port0)
-	const char *addr;
-	struct gai_afd *gai_afd;
-	struct addrinfo **res;
-	char *numaddr;
-	struct addrinfo *pai;
-	int port0;
+    const char *addr;
+    struct gai_afd *gai_afd;
+    struct addrinfo **res;
+    char *numaddr;
+    struct addrinfo *pai;
+    int port0;
 {
-	u_short port = port0 & 0xffff;
-	struct hostent *hp;
-	struct addrinfo *cur;
-	int error = 0;
+    u_short port = port0 & 0xffff;
+    struct hostent *hp;
+    struct addrinfo *cur;
+    int error = 0;
 #ifdef ENABLE_IPV6
-	int h_error;
+    int h_error;
 #endif
-	
+
 #ifdef ENABLE_IPV6
-	hp = getipnodebyaddr(addr, gai_afd->a_addrlen, gai_afd->a_af, &h_error);
+    hp = getipnodebyaddr(addr, gai_afd->a_addrlen, gai_afd->a_af, &h_error);
 #else
-	hp = gethostbyaddr(addr, gai_afd->a_addrlen, AF_INET);
+    hp = gethostbyaddr(addr, gai_afd->a_addrlen, AF_INET);
 #endif
-	if (hp && hp->h_name && hp->h_name[0] && hp->h_addr_list[0]) {
-		GET_AI(cur, gai_afd, hp->h_addr_list[0], port);
-		GET_CANONNAME(cur, hp->h_name);
-	} else
-		GET_AI(cur, gai_afd, numaddr, port);
-	
+    if (hp && hp->h_name && hp->h_name[0] && hp->h_addr_list[0]) {
+        GET_AI(cur, gai_afd, hp->h_addr_list[0], port);
+        GET_CANONNAME(cur, hp->h_name);
+    } else
+        GET_AI(cur, gai_afd, numaddr, port);
+
 #ifdef ENABLE_IPV6
-	if (hp)
-		freehostent(hp);
+    if (hp)
+        freehostent(hp);
 #endif
-	*res = cur;
-	return SUCCESS;
+    *res = cur;
+    return SUCCESS;
  free:
-	if (cur)
-		freeaddrinfo(cur);
+    if (cur)
+        freeaddrinfo(cur);
 #ifdef ENABLE_IPV6
-	if (hp)
-		freehostent(hp);
+    if (hp)
+        freehostent(hp);
 #endif
  /* bad: */
-	*res = NULL;
-	return error;
+    *res = NULL;
+    return error;
 }
 
 static int
 get_addr(hostname, af, res, pai, port0)
-	const char *hostname;
-	int af;
-	struct addrinfo **res;
-	struct addrinfo *pai;
-	int port0;
+    const char *hostname;
+    int af;
+    struct addrinfo **res;
+    struct addrinfo *pai;
+    int port0;
 {
-	u_short port = port0 & 0xffff;
-	struct addrinfo sentinel;
-	struct hostent *hp;
-	struct addrinfo *top, *cur;
-	struct gai_afd *gai_afd;
-	int i, error = 0, h_error;
-	char *ap;
+    u_short port = port0 & 0xffff;
+    struct addrinfo sentinel;
+    struct hostent *hp;
+    struct addrinfo *top, *cur;
+    struct gai_afd *gai_afd;
+    int i, error = 0, h_error;
+    char *ap;
 
-	top = NULL;
-	sentinel.ai_next = NULL;
-	cur = &sentinel;
+    top = NULL;
+    sentinel.ai_next = NULL;
+    cur = &sentinel;
 #ifdef ENABLE_IPV6
-	if (af == AF_UNSPEC) {
-		hp = getipnodebyname(hostname, AF_INET6,
-				AI_ADDRCONFIG|AI_ALL|AI_V4MAPPED, &h_error);
-	} else
-		hp = getipnodebyname(hostname, af, AI_ADDRCONFIG, &h_error);
+    if (af == AF_UNSPEC) {
+        hp = getipnodebyname(hostname, AF_INET6,
+                        AI_ADDRCONFIG|AI_ALL|AI_V4MAPPED, &h_error);
+    } else
+        hp = getipnodebyname(hostname, af, AI_ADDRCONFIG, &h_error);
 #else
-	hp = gethostbyname(hostname);
-	h_error = h_errno;
+    hp = gethostbyname(hostname);
+    h_error = h_errno;
 #endif
-	if (hp == NULL) {
-		switch (h_error) {
-		case HOST_NOT_FOUND:
-		case NO_DATA:
-			error = EAI_NODATA;
-			break;
-		case TRY_AGAIN:
-			error = EAI_AGAIN;
-			break;
-		case NO_RECOVERY:
-		default:
-			error = EAI_FAIL;
-			break;
-		}
-		goto free;
-	}
+    if (hp == NULL) {
+        switch (h_error) {
+        case HOST_NOT_FOUND:
+        case NO_DATA:
+            error = EAI_NODATA;
+            break;
+        case TRY_AGAIN:
+            error = EAI_AGAIN;
+            break;
+        case NO_RECOVERY:
+        default:
+            error = EAI_FAIL;
+            break;
+        }
+        goto free;
+    }
 
-	if ((hp->h_name == NULL) || (hp->h_name[0] == 0) ||
-	    (hp->h_addr_list[0] == NULL)) {
-		error = EAI_FAIL;
-		goto free;
-	}
-	
-	for (i = 0; (ap = hp->h_addr_list[i]) != NULL; i++) {
-		switch (af) {
+    if ((hp->h_name == NULL) || (hp->h_name[0] == 0) ||
+        (hp->h_addr_list[0] == NULL)) {
+        error = EAI_FAIL;
+        goto free;
+    }
+
+    for (i = 0; (ap = hp->h_addr_list[i]) != NULL; i++) {
+        switch (af) {
 #ifdef ENABLE_IPV6
-		case AF_INET6:
-			gai_afd = &gai_afdl[N_INET6];
-			break;
+        case AF_INET6:
+            gai_afd = &gai_afdl[N_INET6];
+            break;
 #endif
 #ifndef ENABLE_IPV6
-		default:	/* AF_UNSPEC */
+        default:                /* AF_UNSPEC */
 #endif
-		case AF_INET:
-			gai_afd = &gai_afdl[N_INET];
-			break;
+        case AF_INET:
+            gai_afd = &gai_afdl[N_INET];
+            break;
 #ifdef ENABLE_IPV6
-		default:	/* AF_UNSPEC */
-			if (IN6_IS_ADDR_V4MAPPED((struct in6_addr *)ap)) {
-				ap += sizeof(struct in6_addr) -
-					sizeof(struct in_addr);
-				gai_afd = &gai_afdl[N_INET];
-			} else
-				gai_afd = &gai_afdl[N_INET6];
-			break;
+        default:                /* AF_UNSPEC */
+            if (IN6_IS_ADDR_V4MAPPED((struct in6_addr *)ap)) {
+                ap += sizeof(struct in6_addr) -
+                    sizeof(struct in_addr);
+                gai_afd = &gai_afdl[N_INET];
+            } else
+                gai_afd = &gai_afdl[N_INET6];
+            break;
 #endif
-		}
+        }
 #ifdef FAITH
-		if (translate && gai_afd->a_af == AF_INET) {
-			struct in6_addr *in6;
+        if (translate && gai_afd->a_af == AF_INET) {
+            struct in6_addr *in6;
 
-			GET_AI(cur->ai_next, &gai_afdl[N_INET6], ap, port);
-			in6 = &((struct sockaddr_in6 *)cur->ai_next->ai_addr)->sin6_addr;
-			memcpy(&in6->s6_addr32[0], &faith_prefix,
-			    sizeof(struct in6_addr) - sizeof(struct in_addr));
-			memcpy(&in6->s6_addr32[3], ap, sizeof(struct in_addr));
-		} else
+            GET_AI(cur->ai_next, &gai_afdl[N_INET6], ap, port);
+            in6 = &((struct sockaddr_in6 *)cur->ai_next->ai_addr)->sin6_addr;
+            memcpy(&in6->s6_addr32[0], &faith_prefix,
+                sizeof(struct in6_addr) - sizeof(struct in_addr));
+            memcpy(&in6->s6_addr32[3], ap, sizeof(struct in_addr));
+        } else
 #endif /* FAITH */
-		GET_AI(cur->ai_next, gai_afd, ap, port);
-		if (cur == &sentinel) {
-			top = cur->ai_next;
-			GET_CANONNAME(top, hp->h_name);
-		}
-		cur = cur->ai_next;
-	}
+        GET_AI(cur->ai_next, gai_afd, ap, port);
+        if (cur == &sentinel) {
+            top = cur->ai_next;
+            GET_CANONNAME(top, hp->h_name);
+        }
+        cur = cur->ai_next;
+    }
 #ifdef ENABLE_IPV6
-	freehostent(hp);
+    freehostent(hp);
 #endif
-	*res = top;
-	return SUCCESS;
+    *res = top;
+    return SUCCESS;
  free:
-	if (top)
-		freeaddrinfo(top);
+    if (top)
+        freeaddrinfo(top);
 #ifdef ENABLE_IPV6
-	if (hp)
-		freehostent(hp);
+    if (hp)
+        freehostent(hp);
 #endif
 /* bad: */
-	*res = NULL;
-	return error;
+    *res = NULL;
+    return error;
 }