fixed gfx/menuplyr handling - Draw_NewPic now flags the cachepic_t with

[xonotic/darkplaces.git] / snd_wav.c

diff --git a/snd_wav.c b/snd_wav.c
index 438db2ba8a0a95a189b5ac66f23b883c0496b453..b55c36653358524b8dd636f341323c92dfeb41a8 100644 (file)
--- a/snd_wav.c
+++ b/snd_wav.c
@@ -65,7 +65,7 @@ static int GetLittleLong(void)
        return val;
 }
 
-static void FindNextChunk(char *name)
+static void FindNextChunk(const char *name)
 {
        while (1)
        {
@@ -84,6 +84,12 @@ static void FindNextChunk(char *name)
                        data_p = NULL;
                        return;
                }
+               if (data_p + iff_chunk_len > iff_end)
+               {
+                       // truncated chunk!
+                       data_p = NULL;
+                       return;
+               }
                data_p -= 8;
                last_chunk = data_p + 8 + ( (iff_chunk_len + 1) & ~1 );
                if (!strncmp((const char *)data_p, name, 4))
@@ -91,7 +97,7 @@ static void FindNextChunk(char *name)
        }
 }
 
-static void FindChunk(char *name)
+static void FindChunk(const char *name)
 {
        last_chunk = iff_data;
        FindNextChunk (name);