From 6b6bff054d569a77973f2140c0e86366e6168a6c Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Thu, 5 Jul 2018 14:29:46 -0400
Subject: [PATCH] https://github.com/ImageMagick/ImageMagick/issues/1199

---
 coders/cals.c | 3 ++-
 coders/dcm.c  | 9 +++++----
 coders/pict.c | 3 ++-
 coders/pwp.c  | 3 ++-
 4 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/coders/cals.c b/coders/cals.c
index 842cff4ac..bce23e821 100644
--- a/coders/cals.c
+++ b/coders/cals.c
@@ -257,7 +257,8 @@ static Image *ReadCALSImage(const ImageInfo *image_info,
   if ((unique_file == -1) || (file == (FILE *) NULL))
     ThrowImageException(FileOpenError,"UnableToCreateTemporaryFile");
   while ((c=ReadBlobByte(image)) != EOF)
-    (void) fputc(c,file);
+    if (fputc(c,file) != c)
+      break;
   (void) fclose(file);
   (void) CloseBlob(image);
   image=DestroyImage(image);
diff --git a/coders/dcm.c b/coders/dcm.c
index 334fd2ec8..49fe55a19 100644
--- a/coders/dcm.c
+++ b/coders/dcm.c
@@ -3228,13 +3228,13 @@ static Image *ReadDCMImage(const ImageInfo *image_info,ExceptionInfo *exception)
               (strncmp(implicit_vr,"SS",2) == 0) ||
               (strncmp(implicit_vr,"US",2) == 0))
             quantum=2;
-          else 
+          else
             if ((strncmp(implicit_vr,"FL",2) == 0) ||
                 (strncmp(implicit_vr,"OF",2) == 0) ||
                 (strncmp(implicit_vr,"SL",2) == 0) ||
                 (strncmp(implicit_vr,"UL",2) == 0))
               quantum=4;
-            else 
+            else
               if (strncmp(implicit_vr,"FD",2) == 0)
                 quantum=8;
               else
@@ -3880,7 +3880,8 @@ static Image *ReadDCMImage(const ImageInfo *image_info,ExceptionInfo *exception)
                   "UnexpectedEndOfFile",image->filename);
                 break;
               }
-            (void) fputc(c,file);
+            if (fputc(c,file) != c)
+              break;
           }
           (void) fclose(file);
           if (c == EOF)
@@ -3934,7 +3935,7 @@ static Image *ReadDCMImage(const ImageInfo *image_info,ExceptionInfo *exception)
         length=(size_t) (GetQuantumRange(info.depth)+1);
         if (length > (size_t) GetBlobSize(image))
           ThrowDCMException(CorruptImageError,"InsufficientImageDataInFile");
-        if (info.scale != (Quantum *) NULL) 
+        if (info.scale != (Quantum *) NULL)
           info.scale=(Quantum *) RelinquishMagickMemory(info.scale);
         info.scale=(Quantum *) AcquireQuantumMemory(MagickMax(length,256),
           sizeof(*info.scale));
diff --git a/coders/pict.c b/coders/pict.c
index 8aafadec2..35dadfeee 100644
--- a/coders/pict.c
+++ b/coders/pict.c
@@ -1472,7 +1472,8 @@ static Image *ReadPICTImage(const ImageInfo *image_info,
               c=ReadBlobByte(image);
               if (c == EOF)
                 break;
-              (void) fputc(c,file);
+              if (fputc(c,file) != c)
+                break;
             }
           }
         (void) fclose(file);
diff --git a/coders/pwp.c b/coders/pwp.c
index e5ae5c880..cad425002 100644
--- a/coders/pwp.c
+++ b/coders/pwp.c
@@ -233,7 +233,8 @@ static Image *ReadPWPImage(const ImageInfo *image_info,ExceptionInfo *exception)
       c=ReadBlobByte(pwp_image);
       if (c == EOF)
         break;
-      (void) fputc(c,file);
+      if (fputc(c,file) != c)
+        break;
     }
     (void) fclose(file);
     if (c == EOF)
-- 
2.40.0