updated for version 7.3.707

Problem:    Problems loading a library for a file name with non-latin
	    characters.
Solution:   Use wide system functions when possible. (Ken Takata)

Author: brammool

src/os_win32.c

@@ -287,27 +287,40 @@ unescape_shellxquote(char_u *p, char_u *escaped)
     HINSTANCE
 vimLoadLib(char *name)
 {
-    HINSTANCE dll = NULL;
-    TCHAR old_dir[MAXPATHL];
+    HINSTANCE	dll = NULL;
+    char	old_dir[MAXPATHL];
 
     /* NOTE: Do not use mch_dirname() and mch_chdir() here, they may call
      * vimLoadLib() recursively, which causes a stack overflow. */
     if (exe_path == NULL)
 	get_exe_name();
-    if (exe_path != NULL && GetCurrentDirectory(MAXPATHL, old_dir) != 0)
+    if (exe_path != NULL)
     {
-	/* Change directory to where the executable is, both to make sure we
-	 * find a .dll there and to avoid looking for a .dll in the current
-	 * directory. */
-	SetCurrentDirectory(exe_path);
-	dll = LoadLibrary(name);
-	SetCurrentDirectory(old_dir);
-    }
-    else
-    {
-	/* We are not able to change directory to where the executable is, try
-	 * to load library anyway. */
-	dll = LoadLibrary(name);
+#ifdef FEAT_MBYTE
+	WCHAR old_dirw[MAXPATHL];
+
+	if (GetCurrentDirectoryW(MAXPATHL, old_dirw) != 0)
+	{
+	    /* Change directory to where the executable is, both to make
+	     * sure we find a .dll there and to avoid looking for a .dll
+	     * in the current directory. */
+	    SetCurrentDirectory(exe_path);
+	    dll = LoadLibrary(name);
+	    SetCurrentDirectoryW(old_dirw);
+	    return dll;
+	}
+	/* Retry with non-wide function (for Windows 98). */
+	if (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
+#endif
+	    if (GetCurrentDirectory(MAXPATHL, old_dir) != 0)
+	    {
+		/* Change directory to where the executable is, both to make
+		 * sure we find a .dll there and to avoid looking for a .dll
+		 * in the current directory. */
+		SetCurrentDirectory(exe_path);
+		dll = LoadLibrary(name);
+		SetCurrentDirectory(old_dir);
+	    }
     }
     return dll;
 }

src/os_win32.h

@@ -108,7 +108,7 @@
  */
 #define CMDBUFFSIZE 1024	/* size of the command processing buffer */
 
-/* _MAX_PATH is only 256 (stdlib.h), but we want more for the 'path' option,
+/* _MAX_PATH is only 260 (stdlib.h), but we want more for the 'path' option,
  * thus use a larger number. */
 #define MAXPATHL	1024
 

src/version.c

@@ -725,6 +725,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    707,
 /**/
     706,
 /**/