GraphicsMagick: Avoid attempts to report multiple ReadLimitExcee...

changeset b067afcd6aa7 in /hg/GraphicsMagick
details: http://hg.GraphicsMagick.org/hg/GraphicsMagick?cmd=changeset;node=b067afcd6aa7
summary: Avoid attempts to report multiple ReadLimitExceeded exceptions.

diffstat:

 magick/blob.c |  22 ++++++++++++++--------
 1 files changed, 14 insertions(+), 8 deletions(-)

diffs (41 lines):

diff -r 5e47c783eb86 -r b067afcd6aa7 magick/blob.c
--- a/magick/blob.c	Fri Jan 14 08:42:23 2022 -0600
+++ b/magick/blob.c	Fri Jan 14 15:01:00 2022 -0600
@@ -279,11 +279,14 @@
   blob->read_total += available;
   if (available < length)
     {
-      blob->eof=True;
-      if (blob->read_limit <= blob->read_total)
+      if (MagickFalse == blob->eof)
         {
-          ThrowException(&image->exception,ResourceLimitError,ReadLimitExceeded,
-                         image->filename);
+          blob->eof=MagickTrue;
+          if (blob->read_limit <= blob->read_total)
+            {
+              ThrowException(&image->exception,ResourceLimitError,ReadLimitExceeded,
+                             image->filename);
+            }
         }
     }
   return available;
@@ -3367,11 +3370,14 @@
   blob->read_total += count;
   if (count < req_length)
     {
-      blob->eof=True;
-      if (blob->read_limit <= blob->read_total)
+      if (MagickFalse == blob->eof)
         {
-          ThrowException(&image->exception,ResourceLimitError,ReadLimitExceeded,
-                         image->filename);
+          blob->eof=MagickTrue;
+          if (blob->read_limit <= blob->read_total)
+            {
+              ThrowException(&image->exception,ResourceLimitError,ReadLimitExceeded,
+                             image->filename);
+            }
         }
     }
   return(count);