ext/sockets: GH-20532 socket_addrinfo_lookup() return EAI error code on

 resolution failures.

Author: devnexen

ext/sockets/sockets.c

@@ -2731,6 +2731,7 @@ PHP_FUNCTION(socket_addrinfo_lookup)
 	size_t service_len = 0;
 	zend_string *hostname, *key;
 	zval *hint, *zhints = NULL;
+	int ret = 0;
 
 	struct addrinfo hints, *result, *rp;
 	php_addrinfo *res;
@@ -2825,8 +2826,8 @@ PHP_FUNCTION(socket_addrinfo_lookup)
 		} ZEND_HASH_FOREACH_END();
 	}
 
-	if (getaddrinfo(ZSTR_VAL(hostname), service, &hints, &result) != 0) {
-		RETURN_FALSE;
+	if ((ret = getaddrinfo(ZSTR_VAL(hostname), service, &hints, &result)) != 0) {
+		RETURN_LONG(ret);
 	}
 
 	array_init(return_value);

ext/sockets/sockets.stub.php

@@ -2053,6 +2053,127 @@
 const SHUT_RDWR = UNKNOWN;
 #endif
 
+
+#ifdef EAI_BADFLAGS
+/**
+ * @var int
+ * @cvalue EAI_BADFLAGS
+ */
+const EAI_BADFLAGS = UNKNOWN;
+#endif
+#ifdef EAI_NONAME
+/**
+ * @var int
+ * @cvalue EAI_NONAME
+ */
+const EAI_NONAME = UNKNOWN;
+#endif
+#ifdef EAI_AGAIN
+/**
+ * @var int
+ * @cvalue EAI_AGAIN
+ */
+const EAI_AGAIN = UNKNOWN;
+#endif
+#ifdef EAI_FAIL
+/**
+ * @var int
+ * @cvalue EAI_FAIL
+ */
+const EAI_FAIL = UNKNOWN;
+#endif
+#ifdef EAI_NODATA
+/**
+ * @var int
+ * @cvalue EAI_NODATA
+ */
+const EAI_NODATA = UNKNOWN;
+#endif
+#ifdef EAI_FAMILY
+/**
+ * @var int
+ * @cvalue EAI_FAMILY
+ */
+const EAI_FAMILY = UNKNOWN;
+#endif
+#ifdef EAI_SOCKTYPE
+/**
+ * @var int
+ * @cvalue EAI_SOCKTYPE
+ */
+const EAI_SOCKTYPE = UNKNOWN;
+#endif
+#ifdef EAI_SERVICE
+/**
+ * @var int
+ * @cvalue EAI_SERVICE
+ */
+const EAI_SERVICE = UNKNOWN;
+#endif
+#ifdef EAI_ADDRFAMILY
+/**
+ * @var int
+ * @cvalue EAI_ADDRFAMILY
+ */
+const EAI_ADDRFAMILY = UNKNOWN;
+#endif
+#ifdef EAI_SYSTEM
+/**
+ * @var int
+ * @cvalue EAI_SYSTEM
+ */
+const EAI_SYSTEM = UNKNOWN;
+#endif
+#ifdef EAI_OVERFLOW
+/**
+ * @var int
+ * @cvalue EAI_OVERFLOW
+ */
+const EAI_OVERFLOW = UNKNOWN;
+#endif
+#ifdef EAI_INPROGRESS
+/**
+ * @var int
+ * @cvalue EAI_INPROGRESS
+ */
+const EAI_INPROGRESS = UNKNOWN;
+#endif
+#ifdef EAI_CANCELED
+/**
+ * @var int
+ * @cvalue EAI_CANCELED
+ */
+const EAI_CANCELED = UNKNOWN;
+#endif
+#ifdef EAI_NOTCANCELED
+/**
+ * @var int
+ * @cvalue EAI_NOTCANCELED
+ */
+const EAI_NOTCANCELED = UNKNOWN;
+#endif
+#ifdef EAI_ALLDONE
+/**
+ * @var int
+ * @cvalue EAI_ALLDONE
+ */
+const EAI_ALLDONE = UNKNOWN;
+#endif
+#ifdef EAI_INTR
+/**
+ * @var int
+ * @cvalue EAI_INTR
+ */
+const EAI_INTR = UNKNOWN;
+#endif
+#ifdef EAI_IDN_ENCODE
+/**
+ * @var int
+ * @cvalue EAI_IDN_ENCODE
+ */
+const EAI_IDN_ENCODE = UNKNOWN;
+#endif
+
 /**
  * @strict-properties
  * @not-serializable
@@ -2172,10 +2293,10 @@ function socket_recvmsg(Socket $socket, array &$message, int $flags = 0): int|fa
 function socket_cmsg_space(int $level, int $type, int $num = 0): ?int {}
 
 /**
- * @return array<int, AddressInfo>|false
+ * @return array<int, AddressInfo>|int
  * @refcount 1
  */
-function socket_addrinfo_lookup(string $host, ?string $service = null, array $hints = []): array|false {}
+function socket_addrinfo_lookup(string $host, ?string $service = null, array $hints = []): array|int {}
 
 function socket_addrinfo_connect(AddressInfo $address): Socket|false {}