lzma: fix overflow

DaemonEngine · Jan 29, 2025 · 9cfaceb · 9cfaceb
1 parent f118926
commit 9cfaceb
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/crnlib/lzma/Ppmd7Enc.c b/crnlib/lzma/Ppmd7Enc.c
@@ -56,7 +56,7 @@ static void Ppmd7z_RangeEnc_ShiftLow(CPpmd7 *p)
 
 Z7_FORCE_INLINE
 // Z7_NO_INLINE
-static void Ppmd7z_RangeEnc_Encode(CPpmd7 *p, UInt32 start, UInt32 size)
+static void Ppmd7z_RangeEnc_Encode(CPpmd7 *p, UInt64 start, UInt32 size)
 {
   R->Low += start * R->Range;
   R->Range *= size;
@@ -93,7 +93,7 @@ void Ppmd7z_EncodeSymbol(CPpmd7 *p, int symbol)
   if (p->MinContext->NumStats != 1)
   {
     CPpmd_State *s = Ppmd7_GetStats(p, p->MinContext);
-    UInt32 sum;
+    UInt64 sum;
     unsigned i;
 
 
@@ -251,7 +251,7 @@ void Ppmd7z_EncodeSymbol(CPpmd7 *p, int symbol)
       const unsigned cur = s->Symbol;
       if ((int)cur == symbol)
       {
-        const UInt32 low = sum;
+        const UInt64 low = sum;
         const UInt32 freq = s->Freq;
         unsigned num2;