Squashed 'src/leveldb/' changes from 524b7e36a8..f545dfabff

f545dfabff Merge #18: Use utf-8 to decode filename
f8e797a058 Use utf-8 to decode filename
2fc114812a Merge #14: Fixes to allow building with msvc.
d6eab93138 Fixes to allow building with msvc.

git-subtree-dir: src/leveldb
git-subtree-split: f545dfabff4c2e9836efed094dba99a34fbc6b88

Author: MarcoFalke

db/c.cc

@@ -5,7 +5,9 @@
 #include "leveldb/c.h"
 
 #include <stdlib.h>
+#ifndef WIN32
 #include <unistd.h>
+#endif
 #include "leveldb/cache.h"
 #include "leveldb/comparator.h"
 #include "leveldb/db.h"

port/port_win.h

@@ -32,9 +32,16 @@
 #define STORAGE_LEVELDB_PORT_PORT_WIN_H_
 
 #ifdef _MSC_VER
+#if !(_MSC_VER >= 1900)
 #define snprintf _snprintf
+#endif
 #define close _close
 #define fread_unlocked _fread_nolock
+#ifdef _WIN64
+#define ssize_t int64_t
+#else
+#define ssize_t int32_t
+#endif
 #endif
 
 #include <string>

util/env_win.cc

@@ -203,24 +203,16 @@ class Win32Env : public Env
 
 void ToWidePath(const std::string& value, std::wstring& target) {
 	wchar_t buffer[MAX_PATH];
-	MultiByteToWideChar(CP_ACP, 0, value.c_str(), -1, buffer, MAX_PATH);
+	MultiByteToWideChar(CP_UTF8, 0, value.c_str(), -1, buffer, MAX_PATH);
 	target = buffer;
 }
 
 void ToNarrowPath(const std::wstring& value, std::string& target) {
 	char buffer[MAX_PATH];
-	WideCharToMultiByte(CP_ACP, 0, value.c_str(), -1, buffer, MAX_PATH, NULL, NULL);
+	WideCharToMultiByte(CP_UTF8, 0, value.c_str(), -1, buffer, MAX_PATH, NULL, NULL);
 	target = buffer;
 }
 
-std::string GetCurrentDir()
-{
-    CHAR path[MAX_PATH];
-    ::GetModuleFileNameA(::GetModuleHandleA(NULL),path,MAX_PATH);
-    *strrchr(path,'\\') = 0;
-    return std::string(path);
-}
-
 std::wstring GetCurrentDirW()
 {
     WCHAR path[MAX_PATH];
@@ -229,6 +221,13 @@ std::wstring GetCurrentDirW()
     return std::wstring(path);
 }
 
+std::string GetCurrentDir()
+{
+    std::string path;
+    ToNarrowPath(GetCurrentDirW(), path);
+    return path;
+}
+
 std::string& ModifyPath(std::string& path)
 {
     if(path[0] == '/' || path[0] == '\\'){
@@ -764,14 +763,16 @@ uint64_t Win32Env::NowMicros()
 static Status CreateDirInner( const std::string& dirname )
 {
     Status sRet;
-    DWORD attr = ::GetFileAttributes(dirname.c_str());
+    std::wstring dirnameW;
+    ToWidePath(dirname, dirnameW);
+    DWORD attr = ::GetFileAttributesW(dirnameW.c_str());
     if (attr == INVALID_FILE_ATTRIBUTES) { // doesn't exist:
       std::size_t slash = dirname.find_last_of("\\");
       if (slash != std::string::npos){
 	sRet = CreateDirInner(dirname.substr(0, slash));
 	if (!sRet.ok()) return sRet;
       }
-      BOOL result = ::CreateDirectory(dirname.c_str(), NULL);
+      BOOL result = ::CreateDirectoryW(dirnameW.c_str(), NULL);
       if (result == FALSE) {
 	sRet = Status::IOError(dirname, "Could not create directory.");
 	return sRet;