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
|
/**
* slibc — Yet another C library
* Copyright © 2015 Mattias Andrée (maandree@member.fsf.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _STDARG_H
# ifndef __ONLY_va_list
# define _STDARG_H
# endif
#include <slibc/version.h>
#include <slibc/features.h>
#include <bits/stdarg.h>
/* If <bits/stdarg.h> does not define what is required,
* fall back to compiler-builtin definitions. */
/**
* State of variadic argument-reading.
*/
#ifndef __DEFINED_va_list
# define __DEFINED_va_list
typedef __builtin_va_list va_list;
#endif
#ifndef __ONLY_va_list
/**
* Prologue to using a variadic arguments.
*
* @param state:va_list The state of the variadic argument-reading.
* @param last:identifier The the last non-variadic argument.
*/
#ifndef va_start
# define va_start(state, last) __builtin_va_start(state, last)
#endif
/**
* Epilogue to using a variadic arguments.
*
* @param state:va_list The state of the variadic argument-reading.
*/
#ifndef va_end
# define va_end(state) __builtin_va_end(state)
#endif
/**
* Get the next variadic argument.
*
* @param state:va_list The state of the variadic argument-reading.
* @param type:identifier The data type used in the called to the function,
* must match exactly. Arguments smaller than `int`
* are promoted in the cal, thus you must not use a
* type smaller than `int`, lest bad things will happen.
* @return :`type` The next argument.
*/
#ifndef va_arg
# define va_arg(state, type) __builtin_va_arg(state, type)
#endif
/**
* Copy a state of variadic argument-reading.
*
* @param destination:va_list The copy if `source`.
* @param source:va_list The state of the variadic argument-reading.
*/
#ifndef va_copy
# define va_copy(destination, source) __builtin_va_copy(destination, source)
#endif
#endif
#endif
|
