[BusyBox-cvs] busybox/libbb inet_common.c,1.4,1.5

Glenn McGrath bug1 at busybox.net
Thu Nov 28 09:52:27 UTC 2002


Update of /var/cvs/busybox/libbb
In directory winder:/tmp/cvs-serv21770/libbb

Modified Files:
	inet_common.c 
Log Message:
Style, minor cleanups


Index: inet_common.c
===================================================================
RCS file: /var/cvs/busybox/libbb/inet_common.c,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -d -r1.4 -r1.5
--- inet_common.c	26 Nov 2002 02:35:15 -0000	1.4
+++ inet_common.c	28 Nov 2002 09:52:23 -0000	1.5
@@ -21,181 +21,187 @@
 #endif
 
 
-const char bb_INET_default[]="default";
+const char bb_INET_default[] = "default";
 
 int INET_resolve(const char *name, struct sockaddr_in *s_in, int hostfirst)
 {
-    struct hostent *hp;
-    struct netent *np;
+	struct hostent *hp;
+	struct netent *np;
 
-    /* Grmpf. -FvK */
-    s_in->sin_family = AF_INET;
-    s_in->sin_port = 0;
+	/* Grmpf. -FvK */
+	s_in->sin_family = AF_INET;
+	s_in->sin_port = 0;
 
-    /* Default is special, meaning 0.0.0.0. */
-    if (!strcmp(name, bb_INET_default)) {
-	s_in->sin_addr.s_addr = INADDR_ANY;
-	return (1);
-    }
-    /* Look to see if it's a dotted quad. */
-    if (inet_aton(name, &s_in->sin_addr)) {
-	return 0;
-    }
-    /* If we expect this to be a hostname, try hostname database first */
+	/* Default is special, meaning 0.0.0.0. */
+	if (!strcmp(name, bb_INET_default)) {
+		s_in->sin_addr.s_addr = INADDR_ANY;
+		return (1);
+	}
+	/* Look to see if it's a dotted quad. */
+	if (inet_aton(name, &s_in->sin_addr)) {
+		return 0;
+	}
+	/* If we expect this to be a hostname, try hostname database first */
 #ifdef DEBUG
-    if (hostfirst) fprintf (stderr, "gethostbyname (%s)\n", name);
+	if (hostfirst) {
+		error_msg("gethostbyname (%s)", name);
+	}
 #endif
-    if (hostfirst &&
-	(hp = gethostbyname(name)) != (struct hostent *) NULL) {
-	memcpy((char *) &s_in->sin_addr, (char *) hp->h_addr_list[0],
-		sizeof(struct in_addr));
-	return 0;
-    }
-    /* Try the NETWORKS database to see if this is a known network. */
+	if (hostfirst && (hp = gethostbyname(name)) != (struct hostent *) NULL) {
+		memcpy((char *) &s_in->sin_addr, (char *) hp->h_addr_list[0],
+			   sizeof(struct in_addr));
+		return 0;
+	}
+	/* Try the NETWORKS database to see if this is a known network. */
 #ifdef DEBUG
-    fprintf (stderr, "getnetbyname (%s)\n", name);
+	error_msg("getnetbyname (%s)", name);
 #endif
-    if ((np = getnetbyname(name)) != (struct netent *) NULL) {
-	s_in->sin_addr.s_addr = htonl(np->n_net);
-	return 1;
-    }
-    if (hostfirst) {
-	/* Don't try again */
-	errno = h_errno;
-	return -1;
-    }
+	if ((np = getnetbyname(name)) != (struct netent *) NULL) {
+		s_in->sin_addr.s_addr = htonl(np->n_net);
+		return 1;
+	}
+	if (hostfirst) {
+		/* Don't try again */
+		errno = h_errno;
+		return -1;
+	}
 #ifdef DEBUG
-    res_init();
-    _res.options |= RES_DEBUG;
+	res_init();
+	_res.options |= RES_DEBUG;
 #endif
 
 #ifdef DEBUG
-    fprintf (stderr, "gethostbyname (%s)\n", name);
+	error_msg("gethostbyname (%s)", name);
 #endif
-    if ((hp = gethostbyname(name)) == (struct hostent *) NULL) {
-	errno = h_errno;
-	return -1;
-    }
-    memcpy((char *) &s_in->sin_addr, (char *) hp->h_addr_list[0],
-	   sizeof(struct in_addr));
+	if ((hp = gethostbyname(name)) == (struct hostent *) NULL) {
+		errno = h_errno;
+		return -1;
+	}
+	memcpy((char *) &s_in->sin_addr, (char *) hp->h_addr_list[0],
+		   sizeof(struct in_addr));
 
-    return 0;
+	return 0;
 }
 
 /* cache */
 struct addr {
-    struct sockaddr_in addr;
-    char *name;
-    int host;
-    struct addr *next;
+	struct sockaddr_in addr;
+	char *name;
+	int host;
+	struct addr *next;
 };
 
-static struct addr *INET_nn = NULL;     /* addr-to-name cache           */
+static struct addr *INET_nn = NULL;	/* addr-to-name cache           */
 
 /* numeric: & 0x8000: default instead of *,
  *          & 0x4000: host instead of net,
  *          & 0x0fff: don't resolve
  */
 int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
-			 int numeric, unsigned int netmask)
+				  int numeric, unsigned int netmask)
 {
-    struct hostent *ent;
-    struct netent *np;
-    struct addr *pn;
-    unsigned long ad, host_ad;
-    int host = 0;
+	struct hostent *ent;
+	struct netent *np;
+	struct addr *pn;
+	unsigned long ad, host_ad;
+	int host = 0;
 
-    /* Grmpf. -FvK */
-    if (s_in->sin_family != AF_INET) {
+	/* Grmpf. -FvK */
+	if (s_in->sin_family != AF_INET) {
 #ifdef DEBUG
-	fprintf(stderr, "rresolve: unsupport address family %d !\n", s_in->sin_family);
+		error_msg("rresolve: unsupport address family %d !",
+				  s_in->sin_family);
 #endif
-	errno = EAFNOSUPPORT;
-	return (-1);
-    }
-    ad = (unsigned long) s_in->sin_addr.s_addr;
+		errno = EAFNOSUPPORT;
+		return (-1);
+	}
+	ad = (unsigned long) s_in->sin_addr.s_addr;
 #ifdef DEBUG
-    fprintf (stderr, "rresolve: %08lx, mask %08x, num %08x \n", ad, netmask, numeric);
+	error_msg("rresolve: %08lx, mask %08x, num %08x", ad, netmask, numeric);
 #endif
-    if (ad == INADDR_ANY) {
-	if ((numeric & 0x0FFF) == 0) {
-	    if (numeric & 0x8000)
-		safe_strncpy(name, bb_INET_default, len);
-	    else
-		safe_strncpy(name, "*", len);
-	    return (0);
+	if (ad == INADDR_ANY) {
+		if ((numeric & 0x0FFF) == 0) {
+			if (numeric & 0x8000)
+				safe_strncpy(name, bb_INET_default, len);
+			else
+				safe_strncpy(name, "*", len);
+			return (0);
+		}
+	}
+	if (numeric & 0x0FFF) {
+		safe_strncpy(name, inet_ntoa(s_in->sin_addr), len);
+		return (0);
 	}
-    }
-    if (numeric & 0x0FFF) {
-	safe_strncpy(name, inet_ntoa(s_in->sin_addr), len);
-	return (0);
-    }
 
-    if ((ad & (~netmask)) != 0 || (numeric & 0x4000))
-	host = 1;
+	if ((ad & (~netmask)) != 0 || (numeric & 0x4000))
+		host = 1;
 #if 0
-    INET_nn = NULL;
+	INET_nn = NULL;
 #endif
-    pn = INET_nn;
-    while (pn != NULL) {
-	if (pn->addr.sin_addr.s_addr == ad && pn->host == host) {
-	    safe_strncpy(name, pn->name, len);
+	pn = INET_nn;
+	while (pn != NULL) {
+		if (pn->addr.sin_addr.s_addr == ad && pn->host == host) {
+			safe_strncpy(name, pn->name, len);
 #ifdef DEBUG
-	    fprintf (stderr, "rresolve: found %s %08lx in cache\n", (host? "host": "net"), ad);
+			error_msg("rresolve: found %s %08lx in cache",
+					  (host ? "host" : "net"), ad);
 #endif
-	    return (0);
+			return (0);
+		}
+		pn = pn->next;
 	}
-	pn = pn->next;
-    }
 
-    host_ad = ntohl(ad);
-    np = NULL;
-    ent = NULL;
-    if (host) {
+	host_ad = ntohl(ad);
+	np = NULL;
+	ent = NULL;
+	if (host) {
 #ifdef DEBUG
-	fprintf (stderr, "gethostbyaddr (%08lx)\n", ad);
+		error_msg("gethostbyaddr (%08lx)", ad);
 #endif
-	ent = gethostbyaddr((char *) &ad, 4, AF_INET);
-	if (ent != NULL)
-	    safe_strncpy(name, ent->h_name, len);
-    } else {
+		ent = gethostbyaddr((char *) &ad, 4, AF_INET);
+		if (ent != NULL) {
+			safe_strncpy(name, ent->h_name, len);
+		}
+	} else {
 #ifdef DEBUG
-	fprintf (stderr, "getnetbyaddr (%08lx)\n", host_ad);
+		error_msg("getnetbyaddr (%08lx)", host_ad);
 #endif
-	np = getnetbyaddr(host_ad, AF_INET);
-	if (np != NULL)
-	    safe_strncpy(name, np->n_name, len);
-    }
-    if ((ent == NULL) && (np == NULL))
-	safe_strncpy(name, inet_ntoa(s_in->sin_addr), len);
-    pn = (struct addr *) xmalloc(sizeof(struct addr));
-    pn->addr = *s_in;
-    pn->next = INET_nn;
-    pn->host = host;
-    pn->name = xstrdup(name);
-    INET_nn = pn;
+		np = getnetbyaddr(host_ad, AF_INET);
+		if (np != NULL) {
+			safe_strncpy(name, np->n_name, len);
+		}
+	}
+	if ((ent == NULL) && (np == NULL)) {
+		safe_strncpy(name, inet_ntoa(s_in->sin_addr), len);
+	}
+	pn = (struct addr *) xmalloc(sizeof(struct addr));
+	pn->addr = *s_in;
+	pn->next = INET_nn;
+	pn->host = host;
+	pn->name = xstrdup(name);
+	INET_nn = pn;
 
-    return (0);
+	return (0);
 }
 
 #ifdef CONFIG_FEATURE_IPV6
 
 int INET6_resolve(char *name, struct sockaddr_in6 *sin6)
 {
-    struct addrinfo req, *ai;
-    int s;
+	struct addrinfo req, *ai;
+	int s;
 
-    memset (&req, '\0', sizeof req);
-    req.ai_family = AF_INET6;
-    if ((s = getaddrinfo(name, NULL, &req, &ai))) {
-	fprintf(stderr, "getaddrinfo: %s: %d\n", name, s);
-	return -1;
-    }
-    memcpy(sin6, ai->ai_addr, sizeof(struct sockaddr_in6));
+	memset(&req, '\0', sizeof req);
+	req.ai_family = AF_INET6;
+	if ((s = getaddrinfo(name, NULL, &req, &ai))) {
+		error_msg("getaddrinfo: %s: %d", name, s);
+		return -1;
+	}
+	memcpy(sin6, ai->ai_addr, sizeof(struct sockaddr_in6));
 
-    freeaddrinfo(ai);
+	freeaddrinfo(ai);
 
-    return (0);
+	return (0);
 }
 
 #ifndef IN6_IS_ADDR_UNSPECIFIED
@@ -205,37 +211,39 @@
 #endif
 
 
-int INET6_rresolve(char *name, size_t len, struct sockaddr_in6 *sin6, int numeric)
+int INET6_rresolve(char *name, size_t len, struct sockaddr_in6 *sin6,
+				   int numeric)
 {
-    int s;
+	int s;
 
-    /* Grmpf. -FvK */
-    if (sin6->sin6_family != AF_INET6) {
+	/* Grmpf. -FvK */
+	if (sin6->sin6_family != AF_INET6) {
 #ifdef DEBUG
-	fprintf(stderr, _("rresolve: unsupport address family %d !\n"),
-		sin6->sin6_family);
+		error_msg(_("rresolve: unsupport address family %d !\n"),
+				  sin6->sin6_family);
 #endif
-	errno = EAFNOSUPPORT;
-	return (-1);
-    }
-    if (numeric & 0x7FFF) {
-	inet_ntop(AF_INET6, &sin6->sin6_addr, name, len);
-	return (0);
-    }
-    if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
-        if (numeric & 0x8000)
-	    strcpy(name, "default");
-	else
-	    strcpy(name, "*");
-	return (0);
-    }
+		errno = EAFNOSUPPORT;
+		return (-1);
+	}
+	if (numeric & 0x7FFF) {
+		inet_ntop(AF_INET6, &sin6->sin6_addr, name, len);
+		return (0);
+	}
+	if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
+		if (numeric & 0x8000) {
+			strcpy(name, "default");
+		} else {
+			strcpy(name, "*");
+		}
+		return (0);
+	}
 
-    if ((s = getnameinfo((struct sockaddr *) sin6, sizeof(struct sockaddr_in6),
-			 name, len , NULL, 0, 0))) {
-	fputs("getnameinfo failed\n", stderr);
-	return -1;
-    }
-    return (0);
+	s = getnameinfo((struct sockaddr *) sin6, sizeof(struct sockaddr_in6), name, len, NULL, 0, 0);
+	if (s) {
+		error_msg("getnameinfo failed");
+		return -1;
+	}
+	return (0);
 }
 
-#endif	/* CONFIG_FEATURE_IPV6 */
+#endif							/* CONFIG_FEATURE_IPV6 */




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