inet_ntop requirement check at configure time instead (php#12700)

Author: devnexen

Zend/Optimizer/zend_func_infos.h

@@ -525,9 +525,7 @@ static const func_info_t func_infos[] = {
 	F1("md5_file", MAY_BE_STRING|MAY_BE_FALSE),
 	F1("sha1", MAY_BE_STRING),
 	F1("sha1_file", MAY_BE_STRING|MAY_BE_FALSE),
-#if defined(HAVE_INET_NTOP)
 	F1("inet_ntop", MAY_BE_STRING|MAY_BE_FALSE),
-#endif
 #if defined(HAVE_INET_PTON)
 	F1("inet_pton", MAY_BE_STRING|MAY_BE_FALSE),
 #endif

configure.ac

@@ -609,7 +609,6 @@ getgrnam_r \
 getpwuid_r \
 getwd \
 glob \
-inet_ntop \
 inet_pton \
 localtime_r \
 lchown \
@@ -646,6 +645,11 @@ memmem \
 memrchr \
 )
 
+AC_CHECK_FUNCS(inet_ntop,[],[
+    AC_MSG_ERROR([Cannot find inet_ntop which is required])
+]
+)
+
 dnl Check for strerror_r, and if its a POSIX-compatible or a GNU specific version.
 AC_FUNC_STRERROR_R
 

ext/ftp/ftp.c

@@ -56,10 +56,6 @@
 #include <openssl/err.h>
 #endif
 
-#ifndef HAVE_INET_NTOP
-#error inet_ntop unsupported on this platform
-#endif
-
 #include "ftp.h"
 #include "ext/standard/fsock.h"
 
@@ -1695,9 +1691,9 @@ ftp_getdata(ftpbuf_t *ftp)
 		char eprtarg[INET6_ADDRSTRLEN + sizeof("|x||xxxxx|")];
 		char out[INET6_ADDRSTRLEN];
 		int eprtarg_len;
-		if (!inet_ntop(AF_INET6, &((struct sockaddr_in6*) sa)->sin6_addr, out, sizeof(out))) {
-			goto bail;
-		}
+		const char *r;
+		r = inet_ntop(AF_INET6, &((struct sockaddr_in6*) sa)->sin6_addr, out, sizeof(out));
+		ZEND_ASSERT(r != NULL);
 
 		eprtarg_len = snprintf(eprtarg, sizeof(eprtarg), "|2|%s|%hu|", out, ntohs(((struct sockaddr_in6 *) &addr)->sin6_port));
 

ext/snmp/snmp.c

@@ -51,10 +51,6 @@
 #endif
 #include <locale.h>
 
-#ifndef HAVE_INET_NTOP
-#error inet_ntop unsupported on this platform
-#endif
-
 #ifndef __P
 #ifdef __GNUC__
 #define __P(args) args

ext/sockets/sockets.c

@@ -218,10 +218,6 @@ zend_module_entry sockets_module_entry = {
 ZEND_GET_MODULE(sockets)
 #endif
 
-#ifndef HAVE_INET_NTOP
-#error inet_ntop unsupported on this platform
-#endif
-
 static bool php_open_listen_sock(php_socket *sock, int port, int backlog) /* {{{ */
 {
 	struct sockaddr_in  la;

ext/standard/basic_functions.c

@@ -102,10 +102,6 @@ typedef struct yy_buffer_state *YY_BUFFER_STATE;
 # define INADDR_NONE ((zend_ulong) -1)
 #endif
 
-#ifndef HAVE_INET_NTOP
-# error inet_ntop unsupported on this platform
-#endif
-
 #include "zend_globals.h"
 #include "php_globals.h"
 #include "SAPI.h"
@@ -636,9 +632,7 @@ PHP_FUNCTION(long2ip)
 	zend_ulong ip;
 	zend_long sip;
 	struct in_addr myaddr;
-#ifdef HAVE_INET_PTON
 	char str[40];
-#endif
 
 	ZEND_PARSE_PARAMETERS_START(1, 1)
 		Z_PARAM_LONG(sip)

ext/standard/basic_functions.stub.php

@@ -2207,10 +2207,8 @@ function closelog(): true {}
 function syslog(int $priority, string $message): true {} // TODO make return type void
 #endif
 
-#ifdef HAVE_INET_NTOP
 /** @refcount 1 */
 function inet_ntop(string $ip): string|false {}
-#endif
 
 #ifdef HAVE_INET_PTON
 /** @refcount 1 */

ext/standard/basic_functions_arginfo.h

@@ -57,10 +57,6 @@ extern void __res_ndestroy(res_state statp);
 #endif
 #endif
 
-#ifndef HAVE_INET_NTOP
-#error inet_ntop unsupported on this platform
-#endif
-
 #ifndef MAXHOSTNAMELEN
 #define MAXHOSTNAMELEN 255
 #endif

ext/standard/dns.c

@@ -47,10 +47,6 @@
 # include <netdb.h>
 #endif
 
-#ifndef HAVE_INET_NTOP
-#error inet_ntop unsupported on this platform
-#endif
-
 PHPAPI zend_string* php_inet_ntop(const struct sockaddr *addr) {
 	socklen_t addrlen = sizeof(struct sockaddr_in);