![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to stdarg.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Apple XNU] / XNU / EXTERNAL_HEADERS|
Return to stdarg.h CVS log | Up to [Apple XNU] / XNU / EXTERNAL_HEADERS |
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 */
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.