X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/eae4425db65fd3399aecdc70a8a05cc4f82d1eec..2bd0a4dddc280c8c4939bf11223e90d92243a16d:/src/common/string.cpp

diff --git a/src/common/string.cpp b/src/common/string.cpp
index aa461904f4..9b1de655cd 100644
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -100,6 +100,8 @@ extern const wxChar WXDLLIMPEXP_BASE *wxEmptyString = &g_strEmpty.dummy;
 //
 // ATTN: you can _not_ use both of these in the same program!
 
+#include <iostream>
+
 wxSTD istream& operator>>(wxSTD istream& is, wxString& WXUNUSED(str))
 {
 #if 0
@@ -968,9 +970,14 @@ wxString::wxString(const char *psz, wxMBConv& conv, size_t nLength)
         }
         else
         {
-            wxWCharBuffer buf(nLen + 1);
+            // the input buffer to MB2WC must always be NUL-terminated
+            wxCharBuffer inBuf(nLen);
+            memcpy(inBuf.data(), psz, nLen);
+            inBuf.data()[nLen] = '\0';
+
+            wxWCharBuffer buf(nLen);
             // MB2WC wants the buffer size, not the string length hence +1
-            nLen = conv.MB2WC(buf.data(), psz, nLen + 1);
+            nLen = conv.MB2WC(buf.data(), inBuf.data(), nLen + 1);
 
             if ( nLen != (size_t)-1 )
             {