Fixed JP3D codec file format analyzer. Thanks to Kristóf Ralovich for this patch.

[openjpeg.git] / jp3d / codec / jp3d_to_volume.c

diff --git a/jp3d/codec/jp3d_to_volume.c b/jp3d/codec/jp3d_to_volume.c
index 4086b20deb8601e8f7b993cbd120844827465ff9..a5614d713ed9f65ed4e279b8baf02c6cbc439f0e 100755 (executable)
--- a/jp3d/codec/jp3d_to_volume.c
+++ b/jp3d/codec/jp3d_to_volume.c
@@ -196,14 +196,15 @@ int get_file_format(char *filename) {
        int i;\r
        static const char *extension[] = {"pgx", "bin", "j3d", "jp3d", "j2k", "img"};\r
        static const int format[] = { PGX_DFMT, BIN_DFMT, J3D_CFMT, J3D_CFMT, J2K_CFMT, IMG_DFMT};\r
-       char * ext = strrchr(filename, '.') + 1;\r
-       for(i = 0; i < sizeof(format) / sizeof(format[0]); i++) {\r
-               if(strnicmp(ext, extension[i], 3) == 0) {\r
-                       return format[i];\r
+       char * ext = strrchr(filename, '.');\r
+       if(ext) {\r
+               ext++;\r
+               for(i = 0; i < sizeof(format) / sizeof(format[0]); i++) {\r
+                       if(strnicmp(ext, extension[i], 3) == 0) {\r
+                               return format[i];\r
+                       }\r
                }\r
        }\r
-\r
-       return -1;\r
 }\r
 \r
 /* -------------------------------------------------------------------------- */\r