X-Git-Url: https://deadsoftware.ru/gitweb?a=blobdiff_plain;f=src%2Fshared%2Futils.pas;h=20706c661dae397f8a0b4914ab00e9caa765a252;hb=df21c986515fa0a93a10afbd789341894fcfe68d;hp=4c4db7b0df59997698bca6e3d5861cb9ba9a01a0;hpb=8e694e6ddeb42110a00233d7ff7345c57ee5d90d;p=d2df-sdl.git

diff --git a/src/shared/utils.pas b/src/shared/utils.pas
index 4c4db7b..20706c6 100644
--- a/src/shared/utils.pas
+++ b/src/shared/utils.pas
@@ -87,6 +87,7 @@ function int64ToStrComma (i: Int64): AnsiString;
 
 function upcase1251 (ch: AnsiChar): AnsiChar; inline;
 function locase1251 (ch: AnsiChar): AnsiChar; inline;
+function IsValid1251 (ch: Word): Boolean;
 function IsPrintable1251 (ch: AnsiChar): Boolean;
 
 function toLowerCase1251 (const s: AnsiString): AnsiString;
@@ -962,6 +963,11 @@ begin
   result := ch;
 end;
 
+function IsValid1251 (ch: Word): Boolean;
+begin
+  result := (ch = Ord('?')) or (wc2shitmap[ch] <> '?')
+end;
+
 function IsPrintable1251 (ch: AnsiChar): Boolean;
 begin
   result := (ch >= #32) and (ch <> #127)