From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Sun, 8 Jul 2018 20:16:50 +0000 (+0200)
Subject: Improved detection of svg files.
X-Git-Tag: 7.0.8-6~8
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=fde65725de48457e4e3d883d802f2073525a1d22;p=imagemagick

Improved detection of svg files.
---

diff --git a/MagickCore/magic.c b/MagickCore/magic.c
index 70eaa2ed2..04ec12bb1 100644
--- a/MagickCore/magic.c
+++ b/MagickCore/magic.c
@@ -186,6 +186,8 @@ static const MagicMapInfo
     { "SUN", 0, MagicPattern("\131\246\152\225") },
     { "SVG", 1, MagicPattern("?XML") },
     { "SVG", 1, MagicPattern("?xml") },
+    { "SVG", 1, MagicPattern("SVG") },
+    { "SVG", 1, MagicPattern("svg") },
     { "TIFF", 0, MagicPattern("\115\115\000\052") },
     { "TIFF", 0, MagicPattern("\111\111\052\000") },
     { "TIFF64", 0, MagicPattern("\115\115\000\053\000\010\000\000") },
diff --git a/coders/svg.c b/coders/svg.c
index fa52f93ee..ebbecba4a 100644
--- a/coders/svg.c
+++ b/coders/svg.c
@@ -224,12 +224,15 @@ static MagickBooleanType IsSVG(const unsigned char *magick,const size_t length)
 {
   if (length < 4)
     return(MagickFalse);
-  if (LocaleNCompare((const char *) magick,"?xml",4) == 0)
+  if (LocaleNCompare((const char *) magick+1,"svg",3) == 0)
+    return(MagickTrue);
+  if (length < 5)
+    return(MagickFalse);
+  if (LocaleNCompare((const char *) magick+1,"?xml",4) == 0)
     return(MagickTrue);
   return(MagickFalse);
 }
-
-
+
 #if defined(MAGICKCORE_XML_DELEGATE)
 /*
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%