Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
  Ignore memory leaks reported for some libc-client functions

Author: cmb69

ext/imap/php_imap.c

@@ -798,7 +798,9 @@ PHP_FUNCTION(imap_open)
 	}
 #endif
 
+	ZEND_IGNORE_LEAKS_BEGIN();
 	imap_stream = mail_open(NIL, ZSTR_VAL(mailbox), flags);
+	ZEND_IGNORE_LEAKS_END();
 
 	if (imap_stream == NIL) {
 		php_error_docref(NULL, E_WARNING, "Couldn't open stream %s", ZSTR_VAL(mailbox));
@@ -1757,7 +1759,9 @@ PHP_FUNCTION(imap_lsub)
 	IMAPG(folderlist_style) = FLIST_ARRAY;
 
 	IMAPG(imap_sfolders) = NIL;
+	ZEND_IGNORE_LEAKS_BEGIN();
 	mail_lsub(imap_le_struct->imap_stream, ZSTR_VAL(ref), ZSTR_VAL(pat));
+	ZEND_IGNORE_LEAKS_END();
 	if (IMAPG(imap_sfolders) == NIL) {
 		RETURN_FALSE;
 	}
@@ -1795,7 +1799,9 @@ PHP_FUNCTION(imap_getsubscribed)
 	IMAPG(folderlist_style) = FLIST_OBJECT;
 
 	IMAPG(imap_sfolder_objects) = IMAPG(imap_sfolder_objects_tail) = NIL;
+	ZEND_IGNORE_LEAKS_BEGIN();
 	mail_lsub(imap_le_struct->imap_stream, ZSTR_VAL(ref), ZSTR_VAL(pat));
+	ZEND_IGNORE_LEAKS_END();
 	if (IMAPG(imap_sfolder_objects) == NIL) {
 		RETURN_FALSE;
 	}