xref: /aosp_15_r20/external/clang/lib/Headers/vadefs.h (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li /* ===-------- vadefs.h ---------------------------------------------------===
2*67e74705SXin Li  *
3*67e74705SXin Li  * Permission is hereby granted, free of charge, to any person obtaining a copy
4*67e74705SXin Li  * of this software and associated documentation files (the "Software"), to deal
5*67e74705SXin Li  * in the Software without restriction, including without limitation the rights
6*67e74705SXin Li  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7*67e74705SXin Li  * copies of the Software, and to permit persons to whom the Software is
8*67e74705SXin Li  * furnished to do so, subject to the following conditions:
9*67e74705SXin Li  *
10*67e74705SXin Li  * The above copyright notice and this permission notice shall be included in
11*67e74705SXin Li  * all copies or substantial portions of the Software.
12*67e74705SXin Li  *
13*67e74705SXin Li  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14*67e74705SXin Li  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15*67e74705SXin Li  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16*67e74705SXin Li  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17*67e74705SXin Li  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18*67e74705SXin Li  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19*67e74705SXin Li  * THE SOFTWARE.
20*67e74705SXin Li  *
21*67e74705SXin Li  *===-----------------------------------------------------------------------===
22*67e74705SXin Li  */
23*67e74705SXin Li 
24*67e74705SXin Li /* Only include this if we are aiming for MSVC compatibility. */
25*67e74705SXin Li #ifndef _MSC_VER
26*67e74705SXin Li #include_next <vadefs.h>
27*67e74705SXin Li #else
28*67e74705SXin Li 
29*67e74705SXin Li #ifndef __clang_vadefs_h
30*67e74705SXin Li #define __clang_vadefs_h
31*67e74705SXin Li 
32*67e74705SXin Li #include_next <vadefs.h>
33*67e74705SXin Li 
34*67e74705SXin Li /* Override macros from vadefs.h with definitions that work with Clang. */
35*67e74705SXin Li #ifdef _crt_va_start
36*67e74705SXin Li #undef _crt_va_start
37*67e74705SXin Li #define _crt_va_start(ap, param) __builtin_va_start(ap, param)
38*67e74705SXin Li #endif
39*67e74705SXin Li #ifdef _crt_va_end
40*67e74705SXin Li #undef _crt_va_end
41*67e74705SXin Li #define _crt_va_end(ap)          __builtin_va_end(ap)
42*67e74705SXin Li #endif
43*67e74705SXin Li #ifdef _crt_va_arg
44*67e74705SXin Li #undef _crt_va_arg
45*67e74705SXin Li #define _crt_va_arg(ap, type)    __builtin_va_arg(ap, type)
46*67e74705SXin Li #endif
47*67e74705SXin Li 
48*67e74705SXin Li /* VS 2015 switched to double underscore names, which is an improvement, but now
49*67e74705SXin Li  * we have to intercept those names too.
50*67e74705SXin Li  */
51*67e74705SXin Li #ifdef __crt_va_start
52*67e74705SXin Li #undef __crt_va_start
53*67e74705SXin Li #define __crt_va_start(ap, param) __builtin_va_start(ap, param)
54*67e74705SXin Li #endif
55*67e74705SXin Li #ifdef __crt_va_end
56*67e74705SXin Li #undef __crt_va_end
57*67e74705SXin Li #define __crt_va_end(ap)          __builtin_va_end(ap)
58*67e74705SXin Li #endif
59*67e74705SXin Li #ifdef __crt_va_arg
60*67e74705SXin Li #undef __crt_va_arg
61*67e74705SXin Li #define __crt_va_arg(ap, type)    __builtin_va_arg(ap, type)
62*67e74705SXin Li #endif
63*67e74705SXin Li 
64*67e74705SXin Li #endif
65*67e74705SXin Li #endif
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