1 files changed, 34 insertions, 0 deletions

diff --git a/linden/indra/llcommon/llstring.cpp b/linden/indra/llcommon/llstring.cpp
index 0f72d5e..cd5a9f2 100644
--- a/linden/indra/llcommon/llstring.cpp
+++ b/linden/indra/llcommon/llstring.cpp
@@ -596,6 +596,40 @@ std::string utf8str_removeCRLF(const std::string& utf8str)
         return out;
 }
 
+bool is_hex_string(U8* str, S32 len)
+{
+        bool rv = true;
+        U8* c = str;
+        while(rv && len--)
+        {
+                switch(*c)
+                {
+                case '0':
+                case '1':
+                case '2':
+                case '3':
+                case '4':
+                case '5':
+                case '6':
+                case '7':
+                case '8':
+                case '9':
+                case 'a':
+                case 'b':
+                case 'c':
+                case 'd':
+                case 'e':
+                case 'f':
+                        ++c;
+                        break;
+                default:
+                        rv = false;
+                        break;
+                }
+        }
+        return rv;
+}
+
 #if LL_WINDOWS
 // documentation moved to header. Phoenix 2007-11-27
 namespace snprintf_hack