msvcrt: Implement _wexecv{, e, p, pe}.

dlls/msvcrt/msvcrt.h

@@ -634,6 +634,8 @@ int            MSVCRT__write(int,const void*,unsigned int);
 int            _getch(void);
 int            _ismbstrail(const unsigned char* start, const unsigned char* str);
 MSVCRT_intptr_t _spawnve(int,const char*,const char* const *,const char* const *);
+MSVCRT_intptr_t _wspawnve(int,const MSVCRT_wchar_t*,const MSVCRT_wchar_t* const *,const MSVCRT_wchar_t* const *);
+MSVCRT_intptr_t _wspawnvpe(int,const MSVCRT_wchar_t*,const MSVCRT_wchar_t* const *,const MSVCRT_wchar_t* const *);
 void           _searchenv(const char*,const char*,char*);
 int            _getdrive(void);
 char*          _strdup(const char*);

dlls/msvcrt/msvcrt.spec

@@ -522,10 +522,10 @@
 @ varargs _wexecle(wstr wstr)
 @ varargs _wexeclp(wstr wstr)
 @ varargs _wexeclpe(wstr wstr)
-@ stub _wexecv #(wstr ptr)
-@ stub _wexecve #(wstr ptr ptr)
-@ stub _wexecvp #(wstr ptr)
-@ stub _wexecvpe #(wstr ptr ptr)
+@ cdecl _wexecv(wstr ptr)
+@ cdecl _wexecve(wstr ptr ptr)
+@ cdecl _wexecvp(wstr ptr)
+@ cdecl _wexecvpe(wstr ptr ptr)
 @ cdecl _wfdopen(long wstr) MSVCRT__wfdopen
 @ cdecl _wfindfirst(wstr ptr) MSVCRT__wfindfirst
 @ cdecl _wfindfirsti64(wstr ptr) MSVCRT__wfindfirsti64

dlls/msvcrt/process.c

@@ -542,6 +542,16 @@ MSVCRT_intptr_t CDECL _execlpe(const char* name, const char* arg0, ...)
 }
 
 /*********************************************************************
+ *      _wexecv (MSVCRT.@)
+ *
+ * Unicode version of _execv
+ */
+MSVCRT_intptr_t CDECL _wexecv(const MSVCRT_wchar_t* name, MSVCRT_wchar_t* const* argv)
+{
+  return _wspawnve(MSVCRT__P_OVERLAY, name, (const MSVCRT_wchar_t* const*) argv, NULL);
+}
+
+/*********************************************************************
  *		_execv (MSVCRT.@)
  *
  * Like on Windows, this function does not handle arguments with spaces
@@ -553,6 +563,16 @@ MSVCRT_intptr_t CDECL _execv(const char* name, char* const* argv)
 }
 
 /*********************************************************************
+ *      _wexecve (MSVCRT.@)
+ *
+ * Unicode version of _execve
+ */
+MSVCRT_intptr_t CDECL _wexecve(const MSVCRT_wchar_t* name, MSVCRT_wchar_t* const* argv, const MSVCRT_wchar_t* const* envv)
+{
+  return _wspawnve(MSVCRT__P_OVERLAY, name, (const MSVCRT_wchar_t* const*) argv, envv);
+}
+
+/*********************************************************************
  *		_execve (MSVCRT.@)
  *
  * Like on Windows, this function does not handle arguments with spaces
@@ -564,6 +584,21 @@ MSVCRT_intptr_t CDECL MSVCRT__execve(const char* name, char* const* argv, const
 }
 
 /*********************************************************************
+ *      _wexecvpe (MSVCRT.@)
+ *
+ * Unicode version of _execvpe
+ */
+MSVCRT_intptr_t CDECL _wexecvpe(const MSVCRT_wchar_t* name, MSVCRT_wchar_t* const* argv, const MSVCRT_wchar_t* const* envv)
+{
+  static const MSVCRT_wchar_t path[] = {'P','A','T','H',0};
+  MSVCRT_wchar_t fullname[MAX_PATH];
+
+  _wsearchenv(name, path, fullname);
+  return _wspawnvpe(MSVCRT__P_OVERLAY, fullname[0] ? fullname : name,
+                    (const MSVCRT_wchar_t* const*) argv, envv);
+}
+
+/*********************************************************************
  *		_execvpe (MSVCRT.@)
  *
  * Like on Windows, this function does not handle arguments with spaces
@@ -579,6 +614,16 @@ MSVCRT_intptr_t CDECL _execvpe(const char* name, char* const* argv, const char*
 }
 
 /*********************************************************************
+ *      _wexecvp (MSVCRT.@)
+ *
+ * Unicode version of _execvp
+ */
+MSVCRT_intptr_t CDECL _wexecvp(const MSVCRT_wchar_t* name, MSVCRT_wchar_t* const* argv)
+{
+  return _wexecvpe(name, argv, NULL);
+}
+
+/*********************************************************************
  *		_execvp (MSVCRT.@)
  *
  * Like on Windows, this function does not handle arguments with spaces