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
97
98
99
100
101
102
103
104
105
106
107
|
/* libjodycode version checks
*
* Code to embed the libjodycode version info and check against the currently
* linked libjodycode to check for and report incompatibilities
* Can also be compiled with -DSTANDALONE for version checking purposes
*
* Copyright (C) 2023-2025 by Jody Bruchon <jody@jodybruchon.com>
* Licensed under The MIT License */
#include <stdio.h>
#include <stdlib.h>
#include <libjodycode.h>
#include "libjodycode_check.h"
/* Set your required feature level in libjodycode_check.h */
const int jc_build_min_featurelevel = MY_FEATURELEVEL_REQ;
#ifndef LIBJODYCODE_API_VERSION
#error Your libjodycode version cannot be detected or is ancient.
#error Compilation will fail. Update libjodycode and try again.
#endif
#if LIBJODYCODE_API_VERSION < 3
#define LIBJODYCODE_API_FEATURE_LEVEL LIBJODYCODE_API_VERSION
#define jc_api_featurelevel LIBJODYCODE_API_VERSION
#endif
/* libjodycode < 3 is missing some Unicode stuff */
#ifndef LIBJODYCODE_WINDOWS_UNICODE
#if PATHBUF_SIZE == 8192
/* PATHBUF_SIZE can be used as a proxy for Windows Unicode */
#define LIBJODYCODE_WINDOWS_UNICODE 1
#define jc_windows_unicode 1
#elif PATHBUF_SIZE == 4096
#define LIBJODYCODE_WINDOWS_UNICODE 0
#define jc_windows_unicode 0
#endif
#endif
const char *jc_build_version = LIBJODYCODE_VER;
const int jc_build_api_version = LIBJODYCODE_API_VERSION;
const int jc_build_api_featurelevel = LIBJODYCODE_API_FEATURE_LEVEL;
#ifdef LIBJODYCODE_WINDOWS_UNICODE
const int jc_build_windows_unicode = LIBJODYCODE_WINDOWS_UNICODE;
#else
#define jc_build_windows_unicode 1
#endif
#ifdef JC_TEST
#define JC_TEST_ONLY(a) a
#else
#define JC_TEST_ONLY(a)
#endif
int libjodycode_version_check(int verbose, int bail)
{
JC_TEST_ONLY(if (verbose > 1) fprintf(stderr, "libjodycode version check test code\n\n");)
JC_TEST_ONLY(if (verbose > 1) goto incompatible_version;)
if (jc_build_api_version != jc_api_version) goto incompatible_version;
if (jc_build_min_featurelevel > jc_api_featurelevel) goto incompatible_version;
#ifdef LIBJODYCODE_WINDOWS_UNICODE
if (jc_build_windows_unicode != jc_windows_unicode) goto incompatible_version;
#endif
return 0;
incompatible_version:
if (verbose) {
fprintf(stderr, "\n==============================================================================\n");
fprintf(stderr, "internal error: libjodycode on this system is an incompatible version\n\n");
fprintf(stderr, "Currently using libjodycode v%s, API %d, feature level %d\n",
jc_version, jc_api_version, jc_api_featurelevel);
fprintf(stderr, " Built against libjodycode v%s, API %d, feature level %d\n\n",
jc_build_version, jc_build_api_version, jc_build_api_featurelevel);
if (jc_windows_unicode != jc_build_windows_unicode)
fprintf(stderr, "libjodycode was built with%s Windows Unicode but %sUnicode is required.\n\n",
jc_windows_unicode == 1 ? "" : "out",
jc_build_windows_unicode == 1 ? "" : "non-");
if (jc_build_min_featurelevel > jc_build_api_featurelevel)
fprintf(stderr, "libjodycode feature level >= %d is required but linked library is level %d\n\n",
jc_build_min_featurelevel, jc_build_api_featurelevel);
fprintf(stderr, "==============================================================================\n\n");
fprintf(stderr, "\nUpdate libjodycode on your system and try again. If you continue to get this\n");
fprintf(stderr, "error, contact the package or distribution maintainer. If all else fails, send\n");
fprintf(stderr, "an email to jody@jodybruchon.com for help (but only as a last resort, please.)\n\n");
}
if (bail) exit(EXIT_FAILURE);
return 1;
}
#if defined (JC_TEST) || defined (STANDALONE)
#ifdef UNICODE
int wmain(void)
#else
int main(void)
#endif
{
#ifdef JC_TEST
libjodycode_version_check(2, 0);
#else
printf("libjodycode ver,api,featurelevel,reqlevel:%s:%d:%d:%d\n",
jc_build_version, jc_build_api_version,
jc_build_api_featurelevel, jc_build_min_featurelevel);
#endif
return 0;
}
#endif
|
