mono/metadata/string-icalls.c

   1 /**
   2  * \file
   3  * String internal calls for the corlib
   4  *
   5  * Author:
   6  *   Patrik Torstensson (patrik.torstensson@labs2.com)
   7  *   Duncan Mak  (duncan@ximian.com)
   8  *
   9  * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
  10  * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
  11  * Licensed under the MIT license. See LICENSE file in the project root for full license information.
  12  */
  13 #include <config.h>
  14 #include <stdlib.h>
  15 #include <stdio.h>
  16 #include <string.h>
  17 #include "mono/utils/mono-membar.h"
  18 #include <mono/metadata/string-icalls.h>
  19 #include <mono/metadata/class-internals.h>
  20 #include <mono/metadata/appdomain.h>
  21 #include <mono/metadata/tabledefs.h>
  22 #include <mono/metadata/loader.h>
  23 #include <mono/metadata/object.h>
  24 #include <mono/metadata/exception.h>
  25 #include <mono/metadata/debug-helpers.h>
  26 #include <mono/metadata/gc-internals.h>
  27
  28 /* This function is redirected to String.CreateString ()
  29    by mono_marshal_get_native_wrapper () */
  30 void
  31 ves_icall_System_String_ctor_RedirectToCreateString (void)
  32 {
  33         g_assert_not_reached ();
  34 }
  35
  36 MonoString *
  37 ves_icall_System_String_InternalAllocateStr (gint32 length)
  38 {
  39         MonoError error;
  40         MonoString *str = mono_string_new_size_checked (mono_domain_get (), length, &error);
  41         mono_error_set_pending_exception (&error);
  42
  43         return str;
  44 }
  45
  46 MonoString  *
  47 ves_icall_System_String_InternalIntern (MonoString *str)
  48 {
  49         MonoError error;
  50         MonoString *res;
  51
  52         res = mono_string_intern_checked (str, &error);
  53         if (!res) {
  54                 mono_error_set_pending_exception (&error);
  55                 return NULL;
  56         }
  57         return res;
  58 }
  59
  60 MonoString *
  61 ves_icall_System_String_InternalIsInterned (MonoString *str)
  62 {
  63         return mono_string_is_interned (str);
  64 }
  65
  66 int
  67 ves_icall_System_String_GetLOSLimit (void)
  68 {
  69         int limit = mono_gc_get_los_limit ();
  70
  71         return (limit - 2 - G_STRUCT_OFFSET (MonoString, chars)) / 2;
  72 }
  73