Warn if no <test> nor <edit> elements in <match>

This corrects an error message being reported at
  https://bugs.freedesktop.org/show_bug.cgi?id=71085
  Bug 71085 - "out of memory" errors on empty match element in fonts.conf

and somewhat works as a workaround for
  https://bugs.freedesktop.org/show_bug.cgi?id=59438
  Bug 59438 - Fix <alias> inside <match>

diff --git a/src/fcxml.c b/src/fcxml.c
index 8ff10b6..bd95580 100644 (file)
--- a/src/fcxml.c
+++ b/src/fcxml.c
@@ -2566,6 +2566,11 @@ FcParseMatch (FcConfigParse *parse)
        }
        FcVStackPopAndDestroy (parse);
     }
+    if (!rule)
+    {
+       FcConfigMessage (parse, FcSevereWarning, "No <test> nor <edit> elements in <match>");
+       return;
+    }
     if (!FcConfigAddRule (parse->config, rule, kind))
        FcConfigMessage (parse, FcSevereError, "out of memory");
 }