xref: /xnu-10002.81.5/libsyscall/wrappers/system-version-compat-support.c (revision 5e3eaea39dcf651e66cb99ba7d70e32cc4a99587)
1*5e3eaea3SApple OSS Distributions /*
2*5e3eaea3SApple OSS Distributions  * Copyright (c) 2020 Apple Inc. All rights reserved.
3*5e3eaea3SApple OSS Distributions  *
4*5e3eaea3SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*5e3eaea3SApple OSS Distributions  *
6*5e3eaea3SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*5e3eaea3SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*5e3eaea3SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*5e3eaea3SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*5e3eaea3SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*5e3eaea3SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*5e3eaea3SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*5e3eaea3SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*5e3eaea3SApple OSS Distributions  *
15*5e3eaea3SApple OSS Distributions  * Please obtain a copy of the License at
16*5e3eaea3SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*5e3eaea3SApple OSS Distributions  *
18*5e3eaea3SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*5e3eaea3SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*5e3eaea3SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*5e3eaea3SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*5e3eaea3SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*5e3eaea3SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*5e3eaea3SApple OSS Distributions  * limitations under the License.
25*5e3eaea3SApple OSS Distributions  *
26*5e3eaea3SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*5e3eaea3SApple OSS Distributions  */
28*5e3eaea3SApple OSS Distributions 
29*5e3eaea3SApple OSS Distributions #include "system-version-compat-support.h"
30*5e3eaea3SApple OSS Distributions 
31*5e3eaea3SApple OSS Distributions #if SYSTEM_VERSION_COMPAT_ENABLED
32*5e3eaea3SApple OSS Distributions 
33*5e3eaea3SApple OSS Distributions 
34*5e3eaea3SApple OSS Distributions #include <stdbool.h>
35*5e3eaea3SApple OSS Distributions #include <sys/param.h>
36*5e3eaea3SApple OSS Distributions #include <sys/types.h>
37*5e3eaea3SApple OSS Distributions 
38*5e3eaea3SApple OSS Distributions __attribute__((visibility("hidden")))
39*5e3eaea3SApple OSS Distributions bool (*system_version_compat_check_path_suffix)(const char *orig_path) = NULL;
40*5e3eaea3SApple OSS Distributions system_version_compat_mode_t system_version_compat_mode = SYSTEM_VERSION_COMPAT_MODE_DISABLED;
41*5e3eaea3SApple OSS Distributions 
42*5e3eaea3SApple OSS Distributions __attribute__((visibility("hidden")))
43*5e3eaea3SApple OSS Distributions int (*system_version_compat_open_shim)(int opened_fd, int openat_fd, const char *orig_path, int oflag, mode_t mode,
44*5e3eaea3SApple OSS Distributions     int (*close_syscall)(int), int (*open_syscall)(const char *, int, mode_t),
45*5e3eaea3SApple OSS Distributions     int (*openat_syscall)(int, const char *, int, mode_t),
46*5e3eaea3SApple OSS Distributions     int (*fcntl_syscall)(int, int, long)) = NULL;
47*5e3eaea3SApple OSS Distributions #endif /* SYSTEM_VERSION_COMPAT_ENABLED */
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