diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/fl_images_core.cxx | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/fl_images_core.cxx b/src/fl_images_core.cxx index 431e7c98c..45835fa20 100644 --- a/src/fl_images_core.cxx +++ b/src/fl_images_core.cxx @@ -36,6 +36,7 @@ #include <FL/fl_utf8.h> #include <stdio.h> #include <stdlib.h> +#include <string.h> #include "flstring.h" #if defined(HAVE_LIBZ) #include <zlib.h> @@ -125,7 +126,7 @@ fl_check_images(const char *name, // I - Filename // SVG or SVGZ (gzip'ed SVG) #ifdef FLTK_USE_SVG - uchar header2[64]; // buffer for decompression + uchar header2[300]; // buffer for decompression uchar *buf = header; // original header data int count = headerlen; // original header data size @@ -158,11 +159,18 @@ fl_check_images(const char *name, // I - Filename } // Check svg or xml signature - - if ((count >= 5 && - (memcmp(buf, "<?xml", 5) == 0 || - memcmp(buf, "<svg", 4) == 0))) - return new Fl_SVG_Image(name); + bool found_svg = false; + if (memcmp(buf, "<svg", 4) == 0) found_svg = true; + else if (memcmp(buf, "<?xml", 5) == 0) { + uchar *p = buf; + do { + if (memcmp(p, "<svg", 4) == 0) { + found_svg = true; + break; + } + } while (++p < buf + count - 4); + } + if (found_svg) return new Fl_SVG_Image(name); #endif // FLTK_USE_SVG // unknown image format |