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1.1 ! root 1: /* ! 2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. ! 3: * ! 4: * @APPLE_LICENSE_HEADER_START@ ! 5: * ! 6: * The contents of this file constitute Original Code as defined in and ! 7: * are subject to the Apple Public Source License Version 1.1 (the ! 8: * "License"). You may not use this file except in compliance with the ! 9: * License. Please obtain a copy of the License at ! 10: * http://www.apple.com/publicsource and read it before using this file. ! 11: * ! 12: * This Original Code and all software distributed under the License are ! 13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER ! 14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, ! 15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, ! 16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the ! 17: * License for the specific language governing rights and limitations ! 18: * under the License. ! 19: * ! 20: * @APPLE_LICENSE_HEADER_END@ ! 21: */ ! 22: /* stdarg.h for GNU. ! 23: Note that the type used in va_arg is supposed to match the ! 24: actual type **after default promotions**. ! 25: Thus, va_arg (..., short) is not valid. */ ! 26: ! 27: #ifndef _STDARG_H ! 28: #ifndef _ANSI_STDARG_H_ ! 29: #ifndef __need___va_list ! 30: #define _STDARG_H ! 31: #define _ANSI_STDARG_H_ ! 32: #endif /* not __need___va_list */ ! 33: #undef __need___va_list ! 34: ! 35: #ifdef __clipper__ ! 36: #include <va-clipper.h> ! 37: #else ! 38: #ifdef __m88k__ ! 39: #include <va-m88k.h> ! 40: #else ! 41: #ifdef __i860__ ! 42: #include <va-i860.h> ! 43: #else ! 44: #ifdef __hppa__ ! 45: #include <va-pa.h> ! 46: #else ! 47: #ifdef __mips__ ! 48: #include <va-mips.h> ! 49: #else ! 50: #ifdef __sparc__ ! 51: #include <va-sparc.h> ! 52: #else ! 53: #ifdef __i960__ ! 54: #include <va-i960.h> ! 55: #else ! 56: #ifdef __alpha__ ! 57: #include <va-alpha.h> ! 58: #else ! 59: #if defined (__H8300__) || defined (__H8300H__) ! 60: #include <va-h8300.h> ! 61: #else ! 62: #if defined (__PPC__) && defined (_CALL_SYSV) ! 63: #include <va-ppc.h> ! 64: #else ! 65: ! 66: /* Define __gnuc_va_list. */ ! 67: ! 68: #ifndef __GNUC_VA_LIST ! 69: #define __GNUC_VA_LIST ! 70: #if defined(__svr4__) || defined(_AIX) || defined(_M_UNIX) || defined(__NetBSD__) ! 71: typedef char *__gnuc_va_list; ! 72: #else ! 73: typedef void *__gnuc_va_list; ! 74: #endif ! 75: #endif ! 76: ! 77: /* Define the standard macros for the user, ! 78: if this invocation was from the user program. */ ! 79: #ifdef _STDARG_H ! 80: ! 81: /* Amount of space required in an argument list for an arg of type TYPE. ! 82: TYPE may alternatively be an expression whose type is used. */ ! 83: ! 84: #if defined(sysV68) ! 85: #define __va_rounded_size(TYPE) \ ! 86: (((sizeof (TYPE) + sizeof (short) - 1) / sizeof (short)) * sizeof (short)) ! 87: #else ! 88: #define __va_rounded_size(TYPE) \ ! 89: (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int)) ! 90: #endif ! 91: ! 92: #define va_start(AP, LASTARG) \ ! 93: (AP = ((__gnuc_va_list) __builtin_next_arg (LASTARG))) ! 94: ! 95: #undef va_end ! 96: void va_end (__gnuc_va_list); /* Defined in libgcc.a */ ! 97: #define va_end(AP) ((void)0) ! 98: ! 99: /* We cast to void * and then to TYPE * because this avoids ! 100: a warning about increasing the alignment requirement. */ ! 101: ! 102: #if defined (__arm__) || defined (__i386__) || defined (__i860__) || defined (__ns32000__) || defined (__vax__) ! 103: /* This is for little-endian machines; small args are padded upward. */ ! 104: #define va_arg(AP, TYPE) \ ! 105: (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \ ! 106: *((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE)))) ! 107: #else /* big-endian */ ! 108: /* This is for big-endian machines; small args are padded downward. */ ! 109: #define va_arg(AP, TYPE) \ ! 110: (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \ ! 111: *((TYPE *) (void *) ((char *) (AP) \ ! 112: - ((sizeof (TYPE) < __va_rounded_size (char) \ ! 113: ? sizeof (TYPE) : __va_rounded_size (TYPE)))))) ! 114: #endif /* big-endian */ ! 115: #endif /* _STDARG_H */ ! 116: ! 117: #endif /* not powerpc with V.4 calling sequence */ ! 118: #endif /* not h8300 */ ! 119: #endif /* not alpha */ ! 120: #endif /* not i960 */ ! 121: #endif /* not sparc */ ! 122: #endif /* not mips */ ! 123: #endif /* not hppa */ ! 124: #endif /* not i860 */ ! 125: #endif /* not m88k */ ! 126: #endif /* not clipper */ ! 127: ! 128: #ifdef _STDARG_H ! 129: /* Define va_list, if desired, from __gnuc_va_list. */ ! 130: /* We deliberately do not define va_list when called from ! 131: stdio.h, because ANSI C says that stdio.h is not supposed to define ! 132: va_list. stdio.h needs to have access to that data type, ! 133: but must not use that name. It should use the name __gnuc_va_list, ! 134: which is safe because it is reserved for the implementation. */ ! 135: ! 136: #ifdef _HIDDEN_VA_LIST /* On OSF1, this means varargs.h is "half-loaded". */ ! 137: #undef _VA_LIST ! 138: #endif ! 139: ! 140: #ifdef _BSD_VA_LIST ! 141: #undef _BSD_VA_LIST ! 142: #endif ! 143: ! 144: #ifdef __svr4__ ! 145: /* SVR4.2 uses _VA_LIST for an internal alias for va_list, ! 146: so we must avoid testing it and setting it here. ! 147: SVR4 uses _VA_LIST as a flag in stdarg.h, but we should ! 148: have no conflict with that. */ ! 149: #ifndef _VA_LIST_ ! 150: #define _VA_LIST_ ! 151: #ifdef __i860__ ! 152: #ifndef _VA_LIST ! 153: #define _VA_LIST va_list ! 154: #endif ! 155: #endif /* __i860__ */ ! 156: typedef __gnuc_va_list va_list; ! 157: #endif /* _VA_LIST_ */ ! 158: #else /* not __svr4__ */ ! 159: ! 160: /* The macro _VA_LIST_ is the same thing used by this file in Ultrix. ! 161: But on BSD NET2 we must not test or define or undef it. ! 162: (Note that the comments in NET 2's ansi.h ! 163: are incorrect for _VA_LIST_--see stdio.h!) */ ! 164: #if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__) || defined(WINNT) ! 165: /* The macro _VA_LIST_DEFINED is used in Windows NT 3.5 */ ! 166: #ifndef _VA_LIST_DEFINED ! 167: /* The macro _VA_LIST is used in SCO Unix 3.2. */ ! 168: #ifndef _VA_LIST ! 169: /* The macro _VA_LIST_T_H is used in the Bull dpx2 */ ! 170: #ifndef _VA_LIST_T_H ! 171: typedef __gnuc_va_list va_list; ! 172: #endif /* not _VA_LIST_T_H */ ! 173: #endif /* not _VA_LIST */ ! 174: #endif /* not _VA_LIST_DEFINED */ ! 175: #if !(defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__)) ! 176: #define _VA_LIST_ ! 177: #endif ! 178: #ifndef _VA_LIST ! 179: #define _VA_LIST ! 180: #endif ! 181: #ifndef _VA_LIST_DEFINED ! 182: #define _VA_LIST_DEFINED ! 183: #endif ! 184: #ifndef _VA_LIST_T_H ! 185: #define _VA_LIST_T_H ! 186: #endif ! 187: ! 188: #endif /* not _VA_LIST_, except on certain systems */ ! 189: ! 190: #endif /* not __svr4__ */ ! 191: ! 192: #endif /* _STDARG_H */ ! 193: ! 194: #endif /* not _ANSI_STDARG_H_ */ ! 195: #endif /* not _STDARG_H */
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