Add a macro to determine whether a status is a fatal error.

In a few places we need to check whether we have a fatal error or an internal return code, so provide a utility macro to centralise the check.
git-mirror · Sep 26, 2008 · 06f0cc8 · 06f0cc8
1 parent ba18d57
commit 06f0cc8
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/src/cairo.c b/src/cairo.c
@@ -84,8 +84,7 @@ static const cairo_t _cairo_nil = {
 cairo_status_t
 _cairo_error (cairo_status_t status)
 {
-    assert (status > CAIRO_STATUS_SUCCESS &&
-	    status <= CAIRO_STATUS_LAST_STATUS);
+    assert (_cairo_status_is_error (status));
 
     return status;
 }

diff --git a/src/cairoint.h b/src/cairoint.h
@@ -2370,6 +2370,9 @@ _cairo_utf8_to_utf16 (const char *str,
 		      int	 *items_written);
 #endif
 
+#define _cairo_status_is_error(status) \
+    (status != CAIRO_STATUS_SUCCESS && status <= CAIRO_STATUS_LAST_STATUS)
+
 cairo_private cairo_status_t
 _cairo_error (cairo_status_t status);