From 4cd6a4a5d7e49d54d53dcf4a6f3393d50bd88e8b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gwenol=C3=A9=20Beauchesne?= <gbeauchesne@mandriva.org>
Date: Wed, 4 Jun 2003 18:44:09 +0000
Subject: Import dietlibc 0.22 + other fixes for AMD64

---
 mdk-stage1/dietlibc/libugly/getaddrinfo.c | 140 ++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 mdk-stage1/dietlibc/libugly/getaddrinfo.c

(limited to 'mdk-stage1/dietlibc/libugly/getaddrinfo.c')

diff --git a/mdk-stage1/dietlibc/libugly/getaddrinfo.c b/mdk-stage1/dietlibc/libugly/getaddrinfo.c
new file mode 100644
index 000000000..a4675d92b
--- /dev/null
+++ b/mdk-stage1/dietlibc/libugly/getaddrinfo.c
@@ -0,0 +1,140 @@
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <stdlib.h>
+#include <string.h>
+#include <netdb.h>
+#include <arpa/inet.h>
+
+/* XXX TODO FIXME */
+
+int getaddrinfo(const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res) {
+  struct addrinfo **tmp;
+  int family;
+  tmp=res; *res=0;
+  if (hints) {
+    if (hints->ai_family && hints->ai_family != PF_INET6 && hints->ai_family != PF_INET) return EAI_FAMILY;
+    if (hints->ai_socktype && hints->ai_socktype != SOCK_STREAM && hints->ai_socktype != SOCK_DGRAM) return EAI_SOCKTYPE;
+  }
+  for (family=PF_INET6; ; family=PF_INET) {
+    if (!hints || hints->ai_family==family || hints->ai_family==AF_UNSPEC) {	/* IPv6 addresses are OK */
+      struct hostent h;
+      struct hostent *H;
+      int herrno=0;
+      char buf[4096];
+      int lookupok=0;
+      h.h_addr_list=(char**)buf+16;
+      if (node) {
+	if (inet_pton(family,node,buf)>0) {
+	  h.h_name=(char*)node;
+	  h.h_addr_list[0]=buf;
+	  lookupok=1;
+	} else if ((!hints || !(hints->ai_flags&AI_NUMERICHOST)) &&
+		   !gethostbyname2_r(node,family,&h,buf,4096,&H,&herrno)) {
+	  lookupok=1;
+	} else {
+	  if (herrno==TRY_AGAIN) { freeaddrinfo(*res); return EAI_AGAIN; }
+	}
+      } else {
+	h.h_name=0;
+	h.h_addr_list[0]=buf;
+	memset(buf,0,16);
+	if (!hints || !(hints->ai_flags&AI_PASSIVE)) {
+	  if (family==AF_INET) {
+	    buf[0]=127; buf[3]=1;
+	  } else
+	    buf[15]=1;
+	}
+	lookupok=1;
+      }
+      if (lookupok) {
+	struct ai_v6 {
+	  struct addrinfo ai;
+	  union {
+	    struct sockaddr_in6 ip6;
+	    struct sockaddr_in ip4;
+	  } ip;
+	  char name[1];
+	} *foo;
+	unsigned short port;
+	int len=sizeof(struct ai_v6)+(h.h_name?strlen(h.h_name):0);
+	if (!(foo=malloc(len))) goto error;
+	foo->ai.ai_next=0;
+	foo->ai.ai_socktype=SOCK_STREAM;
+	foo->ai.ai_protocol=IPPROTO_TCP;
+	foo->ai.ai_addrlen=family==PF_INET6?sizeof(struct sockaddr_in6):sizeof(struct sockaddr_in);
+	foo->ai.ai_addr=(struct sockaddr*)&foo->ip;
+	if (family==PF_INET6) {
+	  memset(&foo->ip,0,sizeof(foo->ip));
+	  memmove(&foo->ip.ip6.sin6_addr,h.h_addr_list[0],16);
+	} else {
+	  memmove(&foo->ip.ip4.sin_addr,h.h_addr_list[0],4);
+	}
+	foo->ip.ip6.sin6_family=foo->ai.ai_family=family;
+	if (h.h_name) {
+	  foo->ai.ai_canonname=foo->name;
+	  memmove(foo->name,h.h_name,strlen(h.h_name)+1);
+	} else
+	  foo->ai.ai_canonname=0;
+	if (!hints || hints->ai_socktype!=SOCK_DGRAM) {	/* TCP is OK */
+	  char *x;
+	  port=htons(strtol(service?service:"0",&x,0));
+	  if (*x) {	/* service is not numeric :-( */
+	    struct servent* se;
+	    if ((se=getservbyname(service,"tcp"))) {	/* found a service. */
+	      port=se->s_port;
+  blah1:
+	      if (family==PF_INET6)
+		foo->ip.ip6.sin6_port=port;
+	      else
+		foo->ip.ip4.sin_port=port;
+	      if (!*tmp) *tmp=&(foo->ai); else (*tmp)->ai_next=&(foo->ai);
+	      if (!(foo=malloc(len))) goto error;
+	      memmove(foo,*tmp,len);
+	      tmp=&(*tmp)->ai_next;
+	      foo->ai.ai_addr=(struct sockaddr*)&foo->ip;
+	      if (foo->ai.ai_canonname)
+		foo->ai.ai_canonname=foo->name;
+	    } else {
+	      freeaddrinfo(*res);
+	      return EAI_SERVICE;
+	    }
+	  } else goto blah1;
+	}
+	foo->ai.ai_socktype=SOCK_DGRAM;
+	foo->ai.ai_protocol=IPPROTO_UDP;
+	if (!hints || hints->ai_socktype!=SOCK_STREAM) {	/* UDP is OK */
+	  char *x;
+	  port=htons(strtol(service?service:"0",&x,0));
+	  if (*x) {	/* service is not numeric :-( */
+	    struct servent* se;
+	    if ((se=getservbyname(service,"udp"))) {	/* found a service. */
+	      port=se->s_port;
+  blah2:
+	      if (family==PF_INET6)
+		foo->ip.ip6.sin6_port=port;
+	      else
+		foo->ip.ip4.sin_port=port;
+	      if (!*tmp) *tmp=&(foo->ai); else (*tmp)->ai_next=&(foo->ai);
+	      if (!(foo=malloc(len))) goto error;
+	      memmove(foo,*tmp,len);
+	      tmp=&(*tmp)->ai_next;
+	      foo->ai.ai_addr=(struct sockaddr*)&foo->ip;
+	      foo->ai.ai_canonname=foo->name;
+	    } else {
+	      freeaddrinfo(*res);
+	      return EAI_SERVICE;
+	    }
+	  } else goto blah2;
+	}
+	free(foo);
+      }
+    }
+    if (family==PF_INET) break;
+  }
+  if (*res==0) return EAI_NONAME; /* kludge kludge... */
+  return 0;
+error:
+  freeaddrinfo(*res);
+  return EAI_MEMORY;
+}
-- 
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