From 6361e7d1b794113c8b5869a76b6936daa47b0a06 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Sat, 3 Jul 2021 18:07:44 +0200
Subject: Fix for issue #247 : loading SVG image with BOM.

---
 src/fl_images_core.cxx | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src')

diff --git a/src/fl_images_core.cxx b/src/fl_images_core.cxx
index e5487d356..260e9281c 100644
--- a/src/fl_images_core.cxx
+++ b/src/fl_images_core.cxx
@@ -138,6 +138,12 @@ fl_check_images(const char *name,               // I - Filename
     }
   } // gzip'ed data
 # endif // HAVE_LIBZ
+  // check for presence of Byte Order Mark (BOM)
+  char utf8[4];
+  int lutf8 = fl_utf8encode(0xFEFF /* BOM in Unicode */, utf8);
+  if (memcmp(buf, utf8, lutf8) == 0) {
+    buf += lutf8; count -= lutf8;
+  }
 
   if ((count >= 5 && memcmp(buf, "<?xml", 5) == 0) ||
       (count >= 4 && memcmp(buf, "<svg", 4) == 0))
-- 
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