#include "ipv4.h"
#include "ipv6.h"
#include "fake-getaddrinfo.h"
+#include "xalloc.h"
-#ifndef HAVE_GAI_STRERROR
+#if !HAVE_DECL_GAI_STRERROR
char *gai_strerror(int ecode)
{
switch (ecode) {
return "No address associated with hostname";
case EAI_MEMORY:
return "Memory allocation failure";
+ case EAI_FAMILY:
+ return "Address family not supported";
default:
return "Unknown error";
}
}
#endif /* !HAVE_GAI_STRERROR */
-#ifndef HAVE_FREEADDRINFO
+#if !HAVE_DECL_FREEADDRINFO
void freeaddrinfo(struct addrinfo *ai)
{
struct addrinfo *next;
}
#endif /* !HAVE_FREEADDRINFO */
-#ifndef HAVE_GETADDRINFO
+#if !HAVE_DECL_GETADDRINFO
static struct addrinfo *malloc_ai(uint16_t port, uint32_t addr)
{
struct addrinfo *ai;
int i;
uint16_t port = 0;
+ if(hints && hints->ai_family != AF_INET && hints->ai_family != AF_UNSPEC)
+ return EAI_FAMILY;
+
if (servname)
port = htons(atoi(servname));
hp = gethostbyname(hostname);
- if(!hp || !hp->h_addr_list[0])
+ if(!hp || !hp->h_addr_list || !hp->h_addr_list[0])
return EAI_NODATA;
for (i = 0; hp->h_addr_list[i]; i++) {