(Win32) Support stat() for file names outside ANSI Code Page

src/misc/unicode.c

@@ -297,15 +297,17 @@ FILE *utf8_fopen( const char *filename, const char *mode )
         errno = ENOENT;
     return NULL;
 #else
-    wchar_t wpath[MAX_PATH];
-    wchar_t wmode[4];
+    wchar_t wpath[MAX_PATH + 1];
+    size_t len = strlen( mode ) + 1;
+    wchar_t wmode[len];
 
-    if( !MultiByteToWideChar( CP_UTF8, 0, filename, -1, wpath, MAX_PATH - 1)
-     || !MultiByteToWideChar( CP_ACP, 0, mode, -1, wmode, 3 ) )
+    if( !MultiByteToWideChar( CP_UTF8, 0, filename, -1, wpath, MAX_PATH )
+     || !MultiByteToWideChar( CP_ACP, 0, mode, len, wmode, len ) )
     {
         errno = ENOENT;
         return NULL;
     }
+    wpath[MAX_PATH] = L'\0';
 
     return _wfopen( wpath, wmode );
 #endif
@@ -317,8 +319,8 @@ FILE *utf8_fopen( const char *filename, const char *mode )
 int utf8_mkdir( const char *dirname )
 {
 #if defined (UNDER_CE) || defined (WIN32)
-    wchar_t wname[MAX_PATH];
-    char mod[MAX_PATH];
+    wchar_t wname[MAX_PATH + 1];
+    char mod[MAX_PATH + 1];
     int i;
 
     /* Convert '/' into '\' */
@@ -341,6 +343,7 @@ int utf8_mkdir( const char *dirname )
         errno = ENOENT;
         return -1;
     }
+    wname[MAX_PATH] = L'\0';
 
     if( CreateDirectoryW( wname, NULL ) == 0 )
     {
@@ -397,7 +400,8 @@ const char *utf8_readdir( void *dir )
 static int utf8_statEx( const char *filename, void *buf,
                         vlc_bool_t deref )
 {
-#ifdef HAVE_SYS_STAT_H
+#if !(defined (WIN32) || defined (UNDER_CE))
+# ifdef HAVE_SYS_STAT_H
     const char *local_name = ToLocale( filename );
 
     if( local_name != NULL )
@@ -408,8 +412,21 @@ static int utf8_statEx( const char *filename, void *buf,
         return res;
     }
     errno = ENOENT;
-#endif
+# endif
+    return -1;
+#else
+    wchar_t wpath[MAX_PATH + 1];
+
+    if( !MultiByteToWideChar( CP_UTF8, 0, filename, -1, wpath, MAX_PATH ) )
+    {
+        errno = ENOENT;
         return -1;
+    }
+    wpath[MAX_PATH] = L'\0';
+
+    /* struct _stat is just a silly Microsoft alias for struct stat */
+    return _wstat( wpath, (struct _stat *)buf );
+#endif
 }