From: Benjamin Otte <otte@redhat.com>
Date: Fri, 21 Jul 2023 01:05:40 +0000 (+0200)
Subject: memoryformat: Copy idea from tiff code
X-Git-Tag: archive/raspbian/4.12.3+ds-1+rpi1~1^2^2^2~22^2~1^2~52^2~2
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=7a58439977440522d20799fc1bacbcb822886ba4;p=gtk4.git

memoryformat: Copy idea from tiff code

The static assertion makes sure that newer formats get added.
---

diff --git a/gdk/gdkmemoryformat.c b/gdk/gdkmemoryformat.c
index 9c85ae2575..40fea6987e 100644
--- a/gdk/gdkmemoryformat.c
+++ b/gdk/gdkmemoryformat.c
@@ -346,7 +346,7 @@ struct _GdkMemoryFormatDescription
 #  error "Define the right GL flags here"
 #endif
 
-static const GdkMemoryFormatDescription memory_formats[GDK_MEMORY_N_FORMATS] = {
+static const GdkMemoryFormatDescription memory_formats[] = {
   [GDK_MEMORY_B8G8R8A8_PREMULTIPLIED] = {
     GDK_MEMORY_ALPHA_PREMULTIPLIED,
     4,
@@ -629,6 +629,9 @@ static const GdkMemoryFormatDescription memory_formats[GDK_MEMORY_N_FORMATS] = {
   }
 };
 
+/* if this fails, somebody forgot to add formats above */
+G_STATIC_ASSERT (G_N_ELEMENTS (memory_formats) == GDK_MEMORY_N_FORMATS);
+
 gsize
 gdk_memory_format_bytes_per_pixel (GdkMemoryFormat format)
 {