/usr/include/GNUstep/GNUstepBase/GSUnion.h is in libgnustep-base-dev 1.22.1-4+deb7u1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 | /*
* GSUnion.h
* File to set up a typedef for a union capable of containing various types.
* Copyright (C) 1999 Free Software Foundation, Inc.
*
* Author: Richard Frith-Macdonald <richard@brainstorm.co.uk>
* Created: Apr 1999
*
* This file is part of the GNUstep Base Library.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02111 USA. */
/* Need Foundation/NSObjCRuntime.h for type declarations.
*/
#import <Foundation/NSObjCRuntime.h>
/* These are not defined in older Mac OS X systems */
#ifndef NSINTEGER_DEFINED
typedef intptr_t NSInteger;
typedef uintptr_t NSUInteger;
#define NSINTEGER_DEFINED 1
#endif
/*
* Definitions for bitmap mask of types of element in union.
*/
#ifndef GSUNION_OBJ
#define GSUNION_OBJ 0x0001
#define GSUNION_CLS 0x0002
#define GSUNION_SEL 0x0004
#define GSUNION_PTR 0x0080
#define GSUNION_NSINT 0x1000
#define GSUNION_ALL 0x1fff
#endif /* GSUNION_OBJ */
/*
* Produce a typedef for a union with name 'GSUNION' containing elements
* specified in the GSUNION_TYPES mask, and optionally with an extra
* element 'ext' of the type specified in GSUNION_EXTRA
*
* You can include this file more than once in order to produce different
* typedefs as long as you redefine 'GSUNION' before each inclusion.
*/
#if defined(GSUNION) && defined(GSUNION_TYPES)
typedef union {
NSUInteger addr; /* Always present */
#if ((GSUNION_TYPES) & GSUNION_OBJ)
id obj;
NSObject *nso;
#endif
#if ((GSUNION_TYPES) & GSUNION_CLS)
Class cls;
#endif
#if ((GSUNION_TYPES) & GSUNION_SEL)
SEL sel;
#endif
#if ((GSUNION_TYPES) & GSUNION_NSINT)
NSInteger nsi;
NSUInteger nsu;
#endif
#if ((GSUNION_TYPES) & GSUNION_PTR)
void *ptr;
const void *cptr;
char *str;
const char *cstr;
#endif
/* Warning ... if this value is declared in the union, and its type is not
* the same size as a pointer, then care must be taken in case of confusion
* caused when an assignment to a variable using one of the union's types
* causes part of the variable to ebe left with undefined content from the
* point of view of another of the union's types.
*/
#if defined(GSUNION_EXTRA)
GSUNION_EXTRA ext;
#endif
} GSUNION;
#endif
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