Fix runtime error with hardened libc

Signed-off-by: Maxime Gervais <[email protected]>
mipops · Jan 8, 2025 · 2084d28 · 2084d28
1 parent 0860ad9
commit 2084d28
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/Source/ThirdParty/ccdecoder/ccdecoder_subrip.c b/Source/ThirdParty/ccdecoder/ccdecoder_subrip.c
@@ -54,8 +54,11 @@ void to_timestamp(double Value_Double, wchar_t Result[20])
 
     /* Hours */
     Hours=value/(60*60*1000);
-    if (Hours>=1000)
-        return; /* Not supported */
+    if (Hours>=1000) /* Not supported */
+    {
+        memcpy(Result, L"??:??:??.???", 13*sizeof(wchar_t));
+        return;
+    }
     if (Hours>=100)
     {
         Result[pos]=L'0'+(wchar_t)Hours/100;
@@ -160,7 +163,7 @@ wchar_t* ccdecoder_subrip_parse(ccdecoder_subrip_handle* handle, ccdecoder_capti
         to_timestamp(priv->pts, pts_In);
         to_timestamp(pts, pts_Out);
         swprintf(ToReturn_Current, ToReturn_size, L"%i\n", (int)priv->Number); ToReturn_Current+=wcslen(ToReturn_Current);
-        swprintf(ToReturn_Current, ToReturn_size, L"%ls --> %ls\n", pts_In, pts_Out); ToReturn_Current+=wcslen(ToReturn_Current);
+        swprintf(ToReturn_Current, ToReturn_size-(ToReturn_Current-ToReturn), L"%ls --> %ls\n", pts_In, pts_Out); ToReturn_Current+=wcslen(ToReturn_Current);
         for (Output_Y=0; priv->Characters[Output_Y][0].value; Output_Y++)
         {
             uint8_t attributes=ccdecoder_noattribute;