1 /* A small NSConstantString implementation for use with the NeXT runtime. 2 Copyright (C) 2011 Free Software Foundation, Inc. 3 4 Contributed by Iain Sandoe <iains@gcc.gnu.org> 5 6 This file is part of GCC. 7 8 GCC is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3, or (at your option) 11 any later version. 12 13 GCC is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GCC; see the file COPYING3. If not see 20 <http://www.gnu.org/licenses/>. */ 21 22 #ifdef __NEXT_RUNTIME__ 23 24 #include "nsconstantstring-class.h" 25 #include <string.h> 26 27 /* On full-fledged Mac OS X systems, NSConstantString is provided 28 as part of the Foundation framework. However, on bare Darwin systems, 29 Foundation is not included, and hence there is no NSConstantString 30 implementation to link against. 31 32 This code is derived from the GNU runtime's NXConstantString implementation. 33 */ 34 35 @implementation NSConstantString 36 /* NeXT requires this or forward: */ 37 +initialize { return self; } 38 39 -(const char *) cString 40 { 41 return (c_string); 42 } 43 44 -(unsigned int) length 45 { 46 return (len); 47 } 48 @end 49 50 TNS_STRING_REF_T _NSConstantStringClassReference; 51 52 /* The NSConstantString metaclass will need to be initialized before we can 53 send messages to strings. */ 54 55 void objc_constant_string_init (void) __attribute__((constructor)); objc_constant_string_init(void)56void objc_constant_string_init (void) { 57 memcpy (&_NSConstantStringClassReference, 58 objc_getClass ("NSConstantString"), 59 sizeof (_NSConstantStringClassReference)); 60 } 61 #endif 62