libosdp-sys 3.2.1

Sys crate for https://github.com/goToMain/libosdp
Documentation 
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

/*
 * Copyright (c) 2025-2026 Siddharth Chandrasekaran <sidcha.dev@gmail.com>
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#ifndef _OSDP_EXPORT_H_
#define _OSDP_EXPORT_H_

/* ---------- feature detection helpers ---------- */
#if defined(__has_cpp_attribute)
  #define API_HAS_CPP_ATTR(x) __has_cpp_attribute(x)
#else
  #define API_HAS_CPP_ATTR(x) 0
#endif

#if defined(__has_attribute)
  #define API_HAS_ATTR(x) __has_attribute(x)
#else
  #define API_HAS_ATTR(x) 0
#endif

/* ---------- Export / Import / Visibility ---------- */
#if defined(_WIN32) || defined(__CYGWIN__)
  #if defined(BUILDING_API)
    #if defined(__GNUC__)
      #define API_EXPORT __attribute__ ((dllexport))
    #else
      #define API_EXPORT __declspec(dllexport)
    #endif
  #else
    #if defined(__GNUC__)
      #define API_EXPORT __attribute__ ((dllimport))
    #else
      #define API_EXPORT __declspec(dllimport)
    #endif
  #endif
  #define API_NO_EXPORT
#else
  #if defined(__GNUC__) && (__GNUC__ >= 4)
    #define API_EXPORT __attribute__ ((visibility ("default")))
    #define API_NO_EXPORT  __attribute__ ((visibility ("hidden")))
  #else
    #define API_EXPORT
    #define API_NO_EXPORT
  #endif
#endif

/* ---------- Deprecation (with message) ---------- */

/* Prefer C++ [[deprecated("msg")]] if available, otherwise compiler specifics. */
#if defined(__cplusplus) && API_HAS_CPP_ATTR(deprecated)
  /* [[deprecated("msg")]] supported */
  #define API_DEPRECATED(msg) [[deprecated(msg)]]
#elif defined(_MSC_VER)
  /* MSVC supports __declspec(deprecated("msg")) */
  #define API_DEPRECATED(msg) __declspec(deprecated(msg))
#elif (defined(__clang__) && API_HAS_ATTR(deprecated)) \
      || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)))
  /* Clang and modern GCC support attribute deprecated("msg") */
  #define API_DEPRECATED(msg) __attribute__((deprecated(msg)))
#elif (defined(__GNUC__) || defined(__clang__))
  /* Older GCC/Clang: attribute deprecated without message */
  #define API_DEPRECATED(msg) __attribute__((deprecated))
#else
  /* Unknown compiler: no-op */
  #define API_DEPRECATED(msg)
#endif

/* ---------- helpers ---------- */
#define OSDP_EXPORT API_EXPORT
#define OSDP_NO_EXPORT API_NO_EXPORT
#define OSDP_DEPRECATED_EXPORT(msg) API_DEPRECATED(msg) API_EXPORT
#define OSDP_DEPRECATED_NO_EXPORT(msg) API_DEPRECATED(msg) API_NO_EXPORT

#endif /* _OSDP_EXPORT_H_ */