Properly handle NULL output start filename

nikic · nikic · commit d6a18a773899 · 2020-10-16T18:38:03.000+02:00
diff --git a/main/output.c b/main/output.c
@@ -758,7 +758,7 @@ PHPAPI void php_output_set_implicit_flush(int flush)
  * Get the file name where output has started */
 PHPAPI const char *php_output_get_start_filename(void)
 {
-	return ZSTR_VAL(OG(output_start_filename_str));
+	return OG(output_start_filename_str) ? ZSTR_VAL(OG(output_start_filename_str)) : NULL;
 }
 /* }}} */
 

Original file line number	Diff line number	Diff line change
`@@ -758,7 +758,7 @@ PHPAPI void php_output_set_implicit_flush(int flush)`
`758`	`758`	`* Get the file name where output has started */`
`759`	`759`	`PHPAPI const char *php_output_get_start_filename(void)`
`760`	`760`	`{`
`761`		`- return ZSTR_VAL(OG(output_start_filename_str));`
	`761`	`+ return OG(output_start_filename_str) ? ZSTR_VAL(OG(output_start_filename_str)) : NULL;`
`762`	`762`	`}`
`763`	`763`	`/* }}} */`
`764`	`764`