From 34db7b90f23c152376c642ad91f307547685c67d Mon Sep 17 00:00:00 2001
From: kichik <kichik@212acab6-be3b-0410-9dea-997c60f758d6>
Date: Sat, 11 Dec 2004 16:10:28 +0000
Subject: [PATCH] use new MultiByteToWideChar and WideCharToMultiByte
 implementation

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@3824 212acab6-be3b-0410-9dea-997c60f758d6
---
 Source/DialogTemplate.cpp      | 83 +++-------------------------------
 Source/ResourceVersionInfo.cpp | 26 ++---------
 2 files changed, 10 insertions(+), 99 deletions(-)

diff --git a/Source/DialogTemplate.cpp b/Source/DialogTemplate.cpp
index 106cd39c..c80c3052 100644
--- a/Source/DialogTemplate.cpp
+++ b/Source/DialogTemplate.cpp
@@ -49,49 +49,20 @@ void ReadVarLenArr(BYTE* &seeker, char* &readInto, unsigned int uCodePage) {
     break;
   default:
     {
-      int iStrLen;
-#ifdef _WIN32
-      iStrLen = WideCharToMultiByte(uCodePage, 0, (WCHAR*)arr, -1, 0, 0, 0, 0);
+      int iStrLen = WideCharToMultiByte(uCodePage, 0, (WCHAR*)arr, -1, 0, 0, 0, 0);
       if (iStrLen)
       {
         readInto = new char[iStrLen];
-        WideCharToMultiByte(uCodePage, 0, (WCHAR*)arr, -1, readInto, iStrLen, 0, 0);
-      }
-      else
-      {
-        *arr = 0;
-        seeker += sizeof(WCHAR);
-      }
-#else
-      iStrLen = WCStrLen((WCHAR *) arr);
-
-      char cp[128] = "CP1252";
-      if (uCodePage != CP_ACP)
-        snprintf(cp, 128, "CP%d", uCodePage);
-      iconv_t cd = iconv_open(cp, "UCS-2");
-      if (cd != (iconv_t) -1)
-      {
-        char *in = (char *) arr;
-        char *out = readInto = new char[iStrLen + 1];
-        size_t insize = (iStrLen + 1) * sizeof(WCHAR);
-        size_t outsize = iStrLen + 1;
-        if (__iconv_adaptor(iconv, cd, &in, &insize, &out, &outsize) == (size_t) -1)
+        if (!WideCharToMultiByte(uCodePage, 0, (WCHAR*)arr, -1, readInto, iStrLen, 0, 0))
         {
           delete [] readInto;
-          readInto = 0;
-          iconv_close(cd);
-          static char err[1024];
-          snprintf(err,1024,"iconv failed (%d)!",errno);
-          throw runtime_error(err);
+          throw runtime_error("ReadVarLenArr - Unicode conversion failed.");
         }
-        iconv_close(cd);
       }
       else
       {
-        readInto = 0;
-        throw runtime_error("iconv failed! no converter from UCS-2 to current code page");
+        throw runtime_error("ReadVarLenArr - Unicode conversion failed.");
       }
-#endif
       seeker += iStrLen * sizeof(WCHAR);
     }
     break;
@@ -99,7 +70,6 @@ void ReadVarLenArr(BYTE* &seeker, char* &readInto, unsigned int uCodePage) {
 }
 
 // A macro that writes a given string (that can be a number too) into the buffer
-#ifdef _WIN32
 #define WriteStringOrId(x) \
   if (x) \
     if (IS_INTRESOURCE(x)) { \
@@ -110,52 +80,13 @@ void ReadVarLenArr(BYTE* &seeker, char* &readInto, unsigned int uCodePage) {
     } \
     else { \
       int us = MultiByteToWideChar(m_uCodePage, 0, x, -1, (WCHAR*)seeker, dwSize); \
+      if (!us) { \
+        throw runtime_error("WriteStringOrId - Unicode conversion failed."); \
+      } \
       seeker += us*sizeof(WCHAR); \
     } \
   else \
     seeker += sizeof(WORD);
-#else
-#define WriteStringOrId(x) \
-  if (x) \
-    if (IS_INTRESOURCE(x)) { \
-      *(WORD*)seeker = 0xFFFF; \
-      seeker += sizeof(WORD); \
-      *(WORD*)seeker = WORD(DWORD(x)); \
-      seeker += sizeof(WORD); \
-    } \
-    else { \
-      char cp[128] = "CP1252"; \
-      if (m_uCodePage != CP_ACP) \
-        snprintf(cp, 128, "CP%d", m_uCodePage); \
-      iconv_t cd = iconv_open("UCS-2", cp); \
-      if (cd != (iconv_t) -1) \
-      { \
-        char *in = (char *) x; \
-        char *out = (char *) seeker; \
-        size_t insize = strlen(in) + 1; \
-        size_t outsize = insize * sizeof(WCHAR); \
-        if (__iconv_adaptor(iconv, cd, &in, &insize, &out, &outsize) == (size_t) -1) \
-        { \
-          *(WCHAR*)seeker = 0; \
-          seeker += sizeof(WCHAR); \
-          iconv_close(cd); \
-          static char err[1024]; \
-          snprintf(err,1024,"iconv failed (%d)!",errno); \
-          throw runtime_error(err); \
-        } \
-        seeker = (BYTE *) out; \
-        iconv_close(cd); \
-      } \
-      else \
-      { \
-        *(WCHAR*)seeker = 0; \
-        seeker += sizeof(WCHAR); \
-        throw runtime_error("iconv failed! no converter from UCS-2 to current code page"); \
-      } \
-    } \
-  else \
-    seeker += sizeof(WORD);
-#endif
 
 // A macro that adds the size of x (which can be a string a number, or nothing) to dwSize
 #define AddStringOrIdSize(x) dwSize += x ? (IS_INTRESOURCE(x) ? sizeof(DWORD) : (strlen(x)+1)*sizeof(WCHAR)) : sizeof(WORD)
diff --git a/Source/ResourceVersionInfo.cpp b/Source/ResourceVersionInfo.cpp
index 52161e14..d40b9743 100644
--- a/Source/ResourceVersionInfo.cpp
+++ b/Source/ResourceVersionInfo.cpp
@@ -122,34 +122,14 @@ void CResourceVersionInfo::SetProductVersion(int HighPart, int LowPart)
 // Util function - must be freeded
 WCHAR* StrToWstrAlloc(const char* istr, int codepage)
 {
-#ifdef _WIN32
   int strSize = MultiByteToWideChar(codepage, 0, istr, -1, 0, 0);
   WCHAR* wstr = new WCHAR[strSize];
-  MultiByteToWideChar(codepage, 0, istr, -1, wstr, strSize);
-  return wstr;
-#else
-  WCHAR *wstr = NULL;
-  char cp[128] = "";
-  if (codepage != CP_ACP)
-    snprintf(cp, 128, "CP%d", codepage);
-  iconv_t cd = iconv_open("UCS-2", cp);
-  if (cd != (iconv_t) -1)
+  if (!MultiByteToWideChar(codepage, 0, istr, -1, wstr, strSize))
   {
-    int len = strlen(istr);
-    char *in = (char *) istr;
-    wstr = new WCHAR[len + 1];
-    char *out = (char *) wstr;
-    size_t insize = len + 1;
-    size_t outsize = (len + 1) * sizeof(WCHAR);
-    if (__iconv_adaptor(iconv, cd, &in, &insize, &out, &outsize) == (size_t) -1)
-    {
-      delete [] wstr;
-      wstr = NULL;
-    }
-    iconv_close(cd);
+    delete [] wstr;
+    wstr = NULL;
   }
   return wstr;
-#endif
 }
 
 int GetVersionHeader (LPSTR &p, WORD &wLength, WORD &wValueLength, WORD &wType)