From: Cristy <urban-warrior@imagemagick.org>
Date: Tue, 29 Sep 2015 12:11:16 +0000 (-0400)
Subject: Disable fflush() of read-only handle under Microsoft Windows
X-Git-Tag: 7.0.1-0~589
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=389502db17ba79a1a256d69ee23bbbec80b6e471;p=imagemagick

Disable fflush() of read-only handle under Microsoft Windows
---

diff --git a/MagickCore/blob.c b/MagickCore/blob.c
index c4ec92b9e..cb6a7aa83 100755
--- a/MagickCore/blob.c
+++ b/MagickCore/blob.c
@@ -2577,6 +2577,9 @@ MagickExport MagickBooleanType OpenBlob(const ImageInfo *image_info,
             (void) ResetMagickMemory(magick,0,sizeof(magick));
             count=fread(magick,1,sizeof(magick),image->blob->file_info.file);
             (void) fseek(image->blob->file_info.file,-((off_t) count),SEEK_CUR);
+#if defined(MAGICKCORE_POSIX_SUPPORT)
+            (void) fflush(image->blob->file_info.file);
+#endif
             (void) LogMagickEvent(BlobEvent,GetMagickModule(),
                "  read %.20g magic header bytes",(double) count);
 #if defined(MAGICKCORE_ZLIB_DELEGATE)