[cairo-{ps,pdf}-surface] Assert the font is supported during emission.

Add an ASSERT_NOT_REACHED to the tail of the font subset emission
functions - as they should always, at least, be supported by the
fallbacks.

2 files changed, 4 insertions, 0 deletions

diff --git a/src/cairo-pdf-surface.c b/src/cairo-pdf-surface.c
index 238f4f986..ce21d2ddf 100644
--- a/src/cairo-pdf-surface.c
+++ b/src/cairo-pdf-surface.c
@@ -3659,6 +3659,7 @@ _cairo_pdf_surface_emit_unscaled_font_subset (cairo_scaled_font_subset_t *font_s
             return status;
     }
 
+    ASSERT_NOT_REACHED;
     return CAIRO_STATUS_SUCCESS;
 }
 
@@ -3673,6 +3674,7 @@ _cairo_pdf_surface_emit_scaled_font_subset (cairo_scaled_font_subset_t *font_sub
     if (status != CAIRO_INT_STATUS_UNSUPPORTED)
 	return status;
 
+    ASSERT_NOT_REACHED;
     return CAIRO_STATUS_SUCCESS;
 }
 
diff --git a/src/cairo-ps-surface.c b/src/cairo-ps-surface.c
index 327243fc5..87efa4049 100644
--- a/src/cairo-ps-surface.c
+++ b/src/cairo-ps-surface.c
@@ -854,6 +854,7 @@ _cairo_ps_surface_emit_unscaled_font_subset (cairo_scaled_font_subset_t	*font_su
     if (status != CAIRO_INT_STATUS_UNSUPPORTED)
 	return status;
 
+    ASSERT_NOT_REACHED;
     return CAIRO_STATUS_SUCCESS;
 }
 
@@ -872,6 +873,7 @@ _cairo_ps_surface_emit_scaled_font_subset (cairo_scaled_font_subset_t *font_subs
     if (status != CAIRO_INT_STATUS_UNSUPPORTED)
 	return status;
 
+    ASSERT_NOT_REACHED;
     return CAIRO_STATUS_SUCCESS;
 }