From cf8898eda640697e21583e91030cffbff2d7358a Mon Sep 17 00:00:00 2001
From: fwcd <fwcdmail@gmail.com>
Date: Sat, 6 Apr 2019 21:13:12 +0200
Subject: [PATCH] Change mantissa iterators that rely on out-of-bounds indices
 back to pointers

---
 src/CalcManager/Ratpack/conv.cpp |  6 +++---
 src/CalcManager/Ratpack/num.cpp  | 16 ++++++++--------
 2 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/src/CalcManager/Ratpack/conv.cpp b/src/CalcManager/Ratpack/conv.cpp
index 243e72f8..0da3c426 100644
--- a/src/CalcManager/Ratpack/conv.cpp
+++ b/src/CalcManager/Ratpack/conv.cpp
@@ -386,7 +386,7 @@ PNUMBER numtonRadixx(_In_ PNUMBER a, uint32_t radix)
 {
     PNUMBER pnumret = i32tonum(0, BASEX); // pnumret is the number in internal form.
     PNUMBER num_radix = i32tonum(radix, BASEX);
-    vector<MANTTYPE>::iterator ptrdigit = a->mant.begin(); // iterator pointing to digit being worked on.
+    MANTTYPE *ptrdigit = a->mant.data(); // pointer to digit being worked on.
 
     // Digits are in reverse order, back over them LSD first.
     ptrdigit += a->cdigit-1;
@@ -1037,7 +1037,7 @@ int32_t numtoi32( _In_ PNUMBER pnum, uint32_t radix )
 {
     int32_t lret = 0;
 
-    vector<MANTTYPE>::iterator pmant = pnum->mant.begin();
+    MANTTYPE *pmant = pnum->mant.data();
     pmant += pnum->cdigit - 1;
 
     int32_t expt = pnum->exp;
@@ -1209,7 +1209,7 @@ wstring NumberToString(_Inout_ PNUMBER& pnum, int format, uint32_t radix, int32_
     // Set up all the post rounding stuff.
     bool useSciForm = false;
     int32_t eout = exponent - 1; // Displayed exponent.
-    vector<MANTTYPE>::iterator pmant = pnum->mant.begin() + pnum->cdigit - 1;
+    MANTTYPE *pmant = pnum->mant.data() + pnum->cdigit - 1;
     // Case where too many digits are to the left of the decimal or
     // FMT_SCIENTIFIC or FMT_ENGINEERING was specified.
     if ((format == FMT_SCIENTIFIC) || (format == FMT_ENGINEERING))
diff --git a/src/CalcManager/Ratpack/num.cpp b/src/CalcManager/Ratpack/num.cpp
index d56757fe..6ba68d37 100644
--- a/src/CalcManager/Ratpack/num.cpp
+++ b/src/CalcManager/Ratpack/num.cpp
@@ -506,8 +506,8 @@ bool equnum( PNUMBER a, PNUMBER b )
 
 {
     int32_t diff;
-    vector<MANTTYPE>::iterator pa;
-    vector<MANTTYPE>::iterator pb;
+    MANTTYPE *pa;
+    MANTTYPE *pb;
     int32_t cdigits;
     int32_t ccdigits;
     MANTTYPE  da;
@@ -529,8 +529,8 @@ bool equnum( PNUMBER a, PNUMBER b )
         else
             {
             // OK the exponents match.
-            pa = a->mant.begin();
-            pb = b->mant.begin();
+            pa = a->mant.data();
+            pb = b->mant.data();
             pa += a->cdigit - 1;
             pb += b->cdigit - 1;
             cdigits = max( a->cdigit, b->cdigit );
@@ -574,8 +574,8 @@ bool lessnum( PNUMBER a, PNUMBER b )
 
 {
     int32_t diff;
-    vector<MANTTYPE>::iterator pa;
-    vector<MANTTYPE>::iterator pb;
+    MANTTYPE *pa;
+    MANTTYPE *pb;
     int32_t cdigits;
     int32_t ccdigits;
     MANTTYPE  da;
@@ -596,8 +596,8 @@ bool lessnum( PNUMBER a, PNUMBER b )
             }
         else
             {
-            pa = a->mant.begin();
-            pb = b->mant.begin();
+            pa = a->mant.data();
+            pb = b->mant.data();
             pa += a->cdigit - 1;
             pb += b->cdigit - 1;
             cdigits = max( a->cdigit, b->cdigit );