Fix gating for when _POSIX_C_SOURCE is not used

Author: night1rider

wolfcrypt/src/wc_port.c

@@ -4000,7 +4000,11 @@ time_t z_time(time_t * timer)
 
     /* Fallback to uptime since boot. This works for relative times, but
      * not for ASN.1 date validation */
+#ifdef _POSIX_C_SOURCE
     if (clock_gettime(CLOCK_REALTIME, &ts) == 0)
+#else
+    if (sys_clock_gettime(SYS_CLOCK_REALTIME, &ts) == 0)
+#endif
         if (timer != NULL)
             *timer = ts.tv_sec;
 

wolfcrypt/test/test.c

@@ -3061,7 +3061,11 @@ options: [-s max_relative_stack_bytes] [-m max_relative_heap_memory_bytes]\n\
         struct timespec utctime;
         utctime.tv_sec = 1521725159; /* dummy time: 2018-03-22T13:25:59+00:00 */
         utctime.tv_nsec = 0;
+#ifdef _POSIX_C_SOURCE
         clock_settime(CLOCK_REALTIME, &utctime);
+#else
+        sys_clock_settime(SYS_CLOCK_REALTIME, &utctime);
+#endif
 #endif
 #ifdef DEVKITPRO
         void *framebuffer;

zephyr/samples/wolfssl_tls_thread/src/tls_threaded.c

@@ -587,7 +587,11 @@ int main()
     struct timespec utctime;
     utctime.tv_sec = 1658510212; /* Friday, July 22, 2022 5:16:52 PM GMT */
     utctime.tv_nsec = 0;
+#ifdef _POSIX_C_SOURCE
     clock_settime(CLOCK_REALTIME, &utctime);
+#else
+    sys_clock_settime(SYS_CLOCK_REALTIME, &utctime);
+#endif
 
 #ifdef HAVE_FIPS
     wolfCrypt_SetCb_fips(myFipsCb);