$NetBSD: patch-aj,v 1.5 2003/09/01 10:17:39 cjep Exp $
--- ext/gettext/gettext.c.orig	2003-08-30 21:56:34.000000000 +0200
+++ ext/gettext/gettext.c	2003-08-30 21:57:13.000000000 +0200
@@ -58,6 +58,11 @@
 };
 /* }}} */
 
+#define CHECK(a) if (a == NULL) { \
+	fprintf(stderr, "%s, %d: NULL value\n", __FILE__, __LINE__); \
+	a = ""; \
+}
+
 zend_module_entry php_gettext_module_entry = {
     STANDARD_MODULE_HEADER,
 	"gettext",
@@ -104,6 +109,7 @@
 
 	retval = textdomain(domain_name);
 
+	CHECK(retval);
 	RETURN_STRING(retval, 1);
 }
 /* }}} */
@@ -141,6 +147,7 @@
 
 	msgstr = dgettext(Z_STRVAL_PP(domain_name), Z_STRVAL_PP(msgid));
 
+	CHECK(msgstr);
 	RETURN_STRING(msgstr, 1);
 }
 /* }}} */
@@ -161,6 +168,7 @@
 
 	msgstr = dcgettext(Z_STRVAL_PP(domain_name), Z_STRVAL_PP(msgid), Z_LVAL_PP(category));
 
+	CHECK(msgstr);
 	RETURN_STRING(msgstr, 1);
 }
 /* }}} */
@@ -191,6 +199,7 @@
 
 	retval = bindtextdomain(Z_STRVAL_PP(domain_name), dir_name);
 
+	CHECK(retval);
 	RETURN_STRING(retval, 1);
 }
 /* }}} */