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/* libjodycode: versioning information
*
* Copyright (C) 2023-2026 by Jody Bruchon <jody@jodybruchon.com>
* Released under The MIT License
*/
#include "libjodycode.h"
#ifdef __linux__
#include <stdlib.h>
#include <stdint.h>
#include <sys/utsname.h>
#endif
/* Static version info constants embedded in the library */
const char *jc_version = LIBJODYCODE_VER;
const char *jc_verdate = LIBJODYCODE_VERDATE;
const int jc_api_version = LIBJODYCODE_API_VERSION;
const int jc_api_featurelevel = LIBJODYCODE_API_FEATURE_LEVEL;
const int jc_jodyhash_version = JODY_HASH_VERSION;
const int jc_windows_unicode = LIBJODYCODE_WINDOWS_UNICODE;
#ifdef __linux__
int jc_get_kernel_version(void)
{
const int mult[3] = { 1000000, 1000, 1 };
struct utsname utsname;
char *p, *endptr;
int i;
static int kernel_version = -1;
int m;
if (kernel_version != -1) return kernel_version;
if (uname(&utsname)) return -1;
kernel_version = 0;
i = 0; endptr = utsname.release;
for (m = 0; m < 3; m++) {
for (p = endptr; (*p < '0' || *p > '9') && *p != '\0'; p++) {}
i = (int)strtol(p, &endptr, 10);
if (i < 0 || i > 999) goto error_failed;
kernel_version += i * mult[m];
}
return kernel_version;
error_failed:
kernel_version = -1;
return -1;
}
#endif /* __linux__ */
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