Remove unused third_party/talloc

third_party/talloc/libreplace/getaddrinfo.c

Index: third_party/talloc/libreplace/getaddrinfo.c
diff --git a/third_party/talloc/libreplace/getaddrinfo.c b/third_party/talloc/libreplace/getaddrinfo.c
deleted file mode 100644
index c5cd52be93c83b290c0c2724daaddfb77d9ddef6..0000000000000000000000000000000000000000
--- a/third_party/talloc/libreplace/getaddrinfo.c
+++ /dev/null
@@ -1,497 +0,0 @@
-/*
-PostgreSQL Database Management System
-(formerly known as Postgres, then as Postgres95)
-
-Portions Copyright (c) 1996-2005, The PostgreSQL Global Development Group
-
-Portions Copyright (c) 1994, The Regents of the University of California
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose, without fee, and without a written agreement
-is hereby granted, provided that the above copyright notice and this paragraph
-and the following two paragraphs appear in all copies.
-
-IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
-DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
-LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION,
-EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGE.
-
-THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
-INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
-AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
-ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS
-TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
-
-*/
-
-/*-------------------------------------------------------------------------
- *
- * getaddrinfo.c
- *	  Support getaddrinfo() on platforms that don't have it.
- *
- * We also supply getnameinfo() here, assuming that the platform will have
- * it if and only if it has getaddrinfo().	If this proves false on some
- * platform, we'll need to split this file and provide a separate configure
- * test for getnameinfo().
- *
- * Copyright (c) 2003-2007, PostgreSQL Global Development Group
- *
- * Copyright (C) 2007 Jeremy Allison.
- * Modified to return multiple IPv4 addresses for Samba.
- *
- *-------------------------------------------------------------------------
- */
-
-#include "replace.h"
-#include "system/network.h"
-
-#ifndef SMB_MALLOC
-#define SMB_MALLOC(s) malloc(s)
-#endif
-
-#ifndef SMB_STRDUP
-#define SMB_STRDUP(s) strdup(s)
-#endif
-
-static int check_hostent_err(struct hostent *hp)
-{
-	if (!hp) {
-		switch (h_errno) {
-			case HOST_NOT_FOUND:
-			case NO_DATA:
-				return EAI_NONAME;
-			case TRY_AGAIN:
-				return EAI_AGAIN;
-			case NO_RECOVERY:
-			default:
-				return EAI_FAIL;
-		}
-	}
-	if (!hp->h_name || hp->h_addrtype != AF_INET) {
-		return EAI_FAIL;
-	}
-	return 0;
-}
-
-static char *canon_name_from_hostent(struct hostent *hp,
-				int *perr)
-{
-	char *ret = NULL;
-
-	*perr = check_hostent_err(hp);
-	if (*perr) {
-		return NULL;
-	}
-	ret = SMB_STRDUP(hp->h_name);
-	if (!ret) {
-		*perr = EAI_MEMORY;
-	}
-	return ret;
-}
-
-static char *get_my_canon_name(int *perr)
-{
-	char name[HOST_NAME_MAX+1];
-
-	if (gethostname(name, HOST_NAME_MAX) == -1) {
-		*perr = EAI_FAIL;
-		return NULL;
-	}
-	/* Ensure null termination. */
-	name[HOST_NAME_MAX] = '\0';
-	return canon_name_from_hostent(gethostbyname(name), perr);
-}
-
-static char *get_canon_name_from_addr(struct in_addr ip,
-				int *perr)
-{
-	return canon_name_from_hostent(
-			gethostbyaddr(&ip, sizeof(ip), AF_INET),
-			perr);
-}
-
-static struct addrinfo *alloc_entry(const struct addrinfo *hints,
-				struct in_addr ip,
-				unsigned short port)
-{
-	struct sockaddr_in *psin = NULL;
-	struct addrinfo *ai = SMB_MALLOC(sizeof(*ai));
-
-	if (!ai) {
-		return NULL;
-	}
-	memset(ai, '\0', sizeof(*ai));
-
-	psin = SMB_MALLOC(sizeof(*psin));
-	if (!psin) {
-		free(ai);
-		return NULL;
-	}
-
-	memset(psin, '\0', sizeof(*psin));
-
-	psin->sin_family = AF_INET;
-	psin->sin_port = htons(port);
-	psin->sin_addr = ip;
-
-	ai->ai_flags = 0;
-	ai->ai_family = AF_INET;
-	ai->ai_socktype = hints->ai_socktype;
-	ai->ai_protocol = hints->ai_protocol;
-	ai->ai_addrlen = sizeof(*psin);
-	ai->ai_addr = (struct sockaddr *) psin;
-	ai->ai_canonname = NULL;
-	ai->ai_next = NULL;
-
-	return ai;
-}
-
-/*
- * get address info for a single ipv4 address.
- *
- *	Bugs:	- servname can only be a number, not text.
- */
-
-static int getaddr_info_single_addr(const char *service,
-				uint32_t addr,
-				const struct addrinfo *hints,
-				struct addrinfo **res)
-{
-
-	struct addrinfo *ai = NULL;
-	struct in_addr ip;
-	unsigned short port = 0;
-
-	if (service) {
-		port = (unsigned short)atoi(service);
-	}
-	ip.s_addr = htonl(addr);
-
-	ai = alloc_entry(hints, ip, port);
-	if (!ai) {
-		return EAI_MEMORY;
-	}
-
-	/* If we're asked for the canonical name,
-	 * make sure it returns correctly. */
-	if (!(hints->ai_flags & AI_NUMERICSERV) &&
-			hints->ai_flags & AI_CANONNAME) {
-		int err;
-		if (addr == INADDR_LOOPBACK || addr == INADDR_ANY) {
-			ai->ai_canonname = get_my_canon_name(&err);
-		} else {
-			ai->ai_canonname =
-			get_canon_name_from_addr(ip,&err);
-		}
-		if (ai->ai_canonname == NULL) {
-			freeaddrinfo(ai);
-			return err;
-		}
-	}
-
-	*res = ai;
-	return 0;
-}
-
-/*
- * get address info for multiple ipv4 addresses.
- *
- *	Bugs:	- servname can only be a number, not text.
- */
-
-static int getaddr_info_name(const char *node,
-				const char *service,
-				const struct addrinfo *hints,
-				struct addrinfo **res)
-{
-	struct addrinfo *listp = NULL, *prevp = NULL;
-	char **pptr = NULL;
-	int err;
-	struct hostent *hp = NULL;
-	unsigned short port = 0;
-
-	if (service) {
-		port = (unsigned short)atoi(service);
-	}
-
-	hp = gethostbyname(node);
-	err = check_hostent_err(hp);
-	if (err) {
-		return err;
-	}
-
-	for(pptr = hp->h_addr_list; *pptr; pptr++) {
-		struct in_addr ip = *(struct in_addr *)*pptr;
-		struct addrinfo *ai = alloc_entry(hints, ip, port);
-
-		if (!ai) {
-			freeaddrinfo(listp);
-			return EAI_MEMORY;
-		}
-
-		if (!listp) {
-			listp = ai;
-			prevp = ai;
-			ai->ai_canonname = SMB_STRDUP(hp->h_name);
-			if (!ai->ai_canonname) {
-				freeaddrinfo(listp);
-				return EAI_MEMORY;
-			}
-		} else {
-			prevp->ai_next = ai;
-			prevp = ai;
-		}
-	}
-	*res = listp;
-	return 0;
-}
-
-/*
- * get address info for ipv4 sockets.
- *
- *	Bugs:	- servname can only be a number, not text.
- */
-
-int rep_getaddrinfo(const char *node,
-		const char *service,
-		const struct addrinfo * hintp,
-		struct addrinfo ** res)
-{
-	struct addrinfo hints;
-
-	/* Setup the hints struct. */
-	if (hintp == NULL) {
-		memset(&hints, 0, sizeof(hints));
-		hints.ai_family = AF_INET;
-		hints.ai_socktype = SOCK_STREAM;
-	} else {
-		memcpy(&hints, hintp, sizeof(hints));
-	}
-
-	if (hints.ai_family != AF_INET && hints.ai_family != AF_UNSPEC) {
-		return EAI_FAMILY;
-	}
-
-	if (hints.ai_socktype == 0) {
-		hints.ai_socktype = SOCK_STREAM;
-	}
-
-	if (!node && !service) {
-		return EAI_NONAME;
-	}
-
-	if (node) {
-		if (node[0] == '\0') {
-			return getaddr_info_single_addr(service,
-					INADDR_ANY,
-					&hints,
-					res);
-		} else if (hints.ai_flags & AI_NUMERICHOST) {
-			struct in_addr ip;
-			if (!inet_aton(node, &ip)) {
-				return EAI_FAIL;
-			}
-			return getaddr_info_single_addr(service,
-					ntohl(ip.s_addr),
-					&hints,
-					res);
-		} else {
-			return getaddr_info_name(node,
-						service,
-						&hints,
-						res);
-		}
-	} else if (hints.ai_flags & AI_PASSIVE) {
-		return getaddr_info_single_addr(service,
-					INADDR_ANY,
-					&hints,
-					res);
-	}
-	return getaddr_info_single_addr(service,
-					INADDR_LOOPBACK,
-					&hints,
-					res);
-}
-
-
-void rep_freeaddrinfo(struct addrinfo *res)
-{
-	struct addrinfo *next = NULL;
-
-	for (;res; res = next) {
-		next = res->ai_next;
-		if (res->ai_canonname) {
-			free(res->ai_canonname);
-		}
-		if (res->ai_addr) {
-			free(res->ai_addr);
-		}
-		free(res);
-	}
-}
-
-
-const char *rep_gai_strerror(int errcode)
-{
-#ifdef HAVE_HSTRERROR
-	int			hcode;
-
-	switch (errcode)
-	{
-		case EAI_NONAME:
-			hcode = HOST_NOT_FOUND;
-			break;
-		case EAI_AGAIN:
-			hcode = TRY_AGAIN;
-			break;
-		case EAI_FAIL:
-		default:
-			hcode = NO_RECOVERY;
-			break;
-	}
-
-	return hstrerror(hcode);
-#else							/* !HAVE_HSTRERROR */
-
-	switch (errcode)
-	{
-		case EAI_NONAME:
-			return "Unknown host";
-		case EAI_AGAIN:
-			return "Host name lookup failure";
-#ifdef EAI_BADFLAGS
-		case EAI_BADFLAGS:
-			return "Invalid argument";
-#endif
-#ifdef EAI_FAMILY
-		case EAI_FAMILY:
-			return "Address family not supported";
-#endif
-#ifdef EAI_MEMORY
-		case EAI_MEMORY:
-			return "Not enough memory";
-#endif
-#ifdef EAI_NODATA
-		case EAI_NODATA:
-			return "No host data of that type was found";
-#endif
-#ifdef EAI_SERVICE
-		case EAI_SERVICE:
-			return "Class type not found";
-#endif
-#ifdef EAI_SOCKTYPE
-		case EAI_SOCKTYPE:
-			return "Socket type not supported";
-#endif
-		default:
-			return "Unknown server error";
-	}
-#endif   /* HAVE_HSTRERROR */
-}
-
-static int gethostnameinfo(const struct sockaddr *sa,
-			char *node,
-			size_t nodelen,
-			int flags)
-{
-	int ret = -1;
-	char *p = NULL;
-
-	if (!(flags & NI_NUMERICHOST)) {
-		struct hostent *hp = gethostbyaddr(
-				&((struct sockaddr_in *)sa)->sin_addr,
-				sizeof(struct in_addr),
-				sa->sa_family);
-		ret = check_hostent_err(hp);
-		if (ret == 0) {
-			/* Name looked up successfully. */
-			ret = snprintf(node, nodelen, "%s", hp->h_name);
-			if (ret < 0 || (size_t)ret >= nodelen) {
-				return EAI_MEMORY;
-			}
-			if (flags & NI_NOFQDN) {
-				p = strchr(node,'.');
-				if (p) {
-					*p = '\0';
-				}
-			}
-			return 0;
-		}
-
-		if (flags & NI_NAMEREQD) {
-			/* If we require a name and didn't get one,
-			 * automatically fail. */
-			return ret;
-		}
-		/* Otherwise just fall into the numeric host code... */
-	}
-	p = inet_ntoa(((struct sockaddr_in *)sa)->sin_addr);
-	ret = snprintf(node, nodelen, "%s", p);
-	if (ret < 0 || (size_t)ret >= nodelen) {
-		return EAI_MEMORY;
-	}
-	return 0;
-}
-
-static int getservicenameinfo(const struct sockaddr *sa,
-			char *service,
-			size_t servicelen,
-			int flags)
-{
-	int ret = -1;
-	int port = ntohs(((struct sockaddr_in *)sa)->sin_port);
-
-	if (!(flags & NI_NUMERICSERV)) {
-		struct servent *se = getservbyport(
-				port,
-				(flags & NI_DGRAM) ? "udp" : "tcp");
-		if (se && se->s_name) {
-			/* Service name looked up successfully. */
-			ret = snprintf(service, servicelen, "%s", se->s_name);
-			if (ret < 0 || (size_t)ret >= servicelen) {
-				return EAI_MEMORY;
-			}
-			return 0;
-		}
-		/* Otherwise just fall into the numeric service code... */
-	}
-	ret = snprintf(service, servicelen, "%d", port);
-	if (ret < 0 || (size_t)ret >= servicelen) {
-		return EAI_MEMORY;
-	}
-	return 0;
-}
-
-/*
- * Convert an ipv4 address to a hostname.
- *
- * Bugs:	- No IPv6 support.
- */
-int rep_getnameinfo(const struct sockaddr *sa, socklen_t salen,
-			char *node, size_t nodelen,
-			char *service, size_t servicelen, int flags)
-{
-
-	/* Invalid arguments. */
-	if (sa == NULL || (node == NULL && service == NULL)) {
-		return EAI_FAIL;
-	}
-
-	if (sa->sa_family != AF_INET) {
-		return EAI_FAIL;
-	}
-
-	if (salen < sizeof(struct sockaddr_in)) {
-		return EAI_FAIL;
-	}
-
-	if (node) {
-		return gethostnameinfo(sa, node, nodelen, flags);
-	}
-
-	if (service) {
-		return getservicenameinfo(sa, service, servicelen, flags);
-	}
-	return 0;
-}