From 8f78bf49301271b0729e03a5e0cb7c19bd6954e7 Mon Sep 17 00:00:00 2001
From: Dirk Lemstra <dirk@lemstra.org>
Date: Mon, 10 Apr 2023 14:03:41 +0200
Subject: [PATCH] Silenced coders warnings.

---
 coders/ftxt.c  | 2 +-
 coders/miff.c  | 4 ++++
 coders/tga.c   | 3 ++-
 coders/video.c | 1 +
 coders/wpg.c   | 2 +-
 5 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/coders/ftxt.c b/coders/ftxt.c
index 726bcaeb14..fe58ec8b61 100644
--- a/coders/ftxt.c
+++ b/coders/ftxt.c
@@ -467,7 +467,7 @@ static Image *ReadFTXTImage(const ImageInfo *image_info,
           case 'j':
             if (*(pf+1)=='\0')
               ThrowReaderException(DelegateFatalError,"EscapeJproblem");
-            /* Drop through... */
+            magick_attribute((fallthrough));
           default:
             if ((i+=2) >= MaxTextExtent)
               ThrowReaderException(DelegateFatalError,"ppf bust");
diff --git a/coders/miff.c b/coders/miff.c
index 18d8c5cca3..64fcba684d 100644
--- a/coders/miff.c
+++ b/coders/miff.c
@@ -1884,9 +1884,13 @@ static unsigned char *PopRunlengthPacket(Image *image,unsigned char *pixels,
         {
           *pixels++=(unsigned char) (value >> 24);
           *pixels++=(unsigned char) (value >> 16);
+          magick_attribute((fallthrough));
         }
         case 16:
+        {
           *pixels++=(unsigned char) (value >> 8);
+          magick_attribute((fallthrough));
+        }
         case 8:
         {
           *pixels++=(unsigned char) value;
diff --git a/coders/tga.c b/coders/tga.c
index 3bfe600a82..86acbe7c7e 100644
--- a/coders/tga.c
+++ b/coders/tga.c
@@ -462,7 +462,8 @@ static Image *ReadTGAImage(const ImageInfo *image_info,ExceptionInfo *exception)
   for (y=0; y < (ssize_t) image->rows; y++)
   {
     size_t
-      y_offset = (flip_y == MagickFalse) ? offset : image->rows-1-offset;
+      y_offset = (size_t) (flip_y == MagickFalse) ? (size_t) offset :
+        image->rows-1-offset;
 
     q=QueueAuthenticPixels(image,0,y_offset,image->columns,1,exception);
     if (q == (Quantum *) NULL)
diff --git a/coders/video.c b/coders/video.c
index 562b298b61..4af52b1043 100644
--- a/coders/video.c
+++ b/coders/video.c
@@ -644,6 +644,7 @@ static MagickBooleanType WriteVIDEOImage(const ImageInfo *image_info,
         {
           blob=(unsigned char *) FileToBlob(previous_image,~0UL,&length,
             exception);
+          magick_attribute((fallthrough));
         }
         default:
         {
diff --git a/coders/wpg.c b/coders/wpg.c
index 1580b72593..4f6d3dafb6 100644
--- a/coders/wpg.c
+++ b/coders/wpg.c
@@ -646,7 +646,7 @@ static int UnpackWPG2Raster(Image *image,int bpp,ExceptionInfo *exception)
             /* duplicate the previous row RunCount x */
             for(i=0;i<=RunCount;i++)
               {
-                if (InsertRow(image,BImgBuff,(ssize_t) ((ssize_t) image->rows > y ? y : image->rows-1),bpp,exception) == MagickFalse)
+                if (InsertRow(image,BImgBuff,((ssize_t) image->rows > y ? y : (ssize_t) image->rows-1),bpp,exception) == MagickFalse)
                   {
                     BImgBuff=(unsigned char *) RelinquishMagickMemory(BImgBuff);
                     return(-3);