Fixed bug #18966

Ilia Alshanetsky · Ilia Alshanetsky · commit 337448322f87 · 2002-08-29T15:44:00.000Z
diff --git a/ext/standard/dns.c b/ext/standard/dns.c
@@ -128,7 +128,7 @@ static char *php_gethostbyaddr(char *ip)
 	hp = gethostbyaddr((char *) &addr, sizeof(addr), AF_INET);
 #endif
 
-	if (!hp) {
+	if (!hp || hp->h_name == NULL || hp->h_name == '\0') {
 		return estrdup(ip);
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -128,7 +128,7 @@ static char php_gethostbyaddr(char ip)`
`128`	`128`	`hp = gethostbyaddr((char *) &addr, sizeof(addr), AF_INET);`
`129`	`129`	`#endif`
`130`	`130`
`131`		`- if (!hp) {`
	`131`	`+ if (!hp \|\| hp->h_name == NULL \|\| hp->h_name == '\0') {`
`132`	`132`	`return estrdup(ip);`
`133`	`133`	`}`
`134`	`134`