Add epoch

src/dusklinux/time/CMakeLists.txt

@@ -0,0 +1,9 @@
+# Copyright (c) 2026 Dominic Masters
+#
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+target_sources(${DUSK_LIBRARY_TARGET_NAME}
+  PUBLIC
+    timelinux.c
+)

src/dusklinux/time/timelinux.c

@@ -0,0 +1,29 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "time/timelinux.h"
+#include <time.h>
+
+double_t timeGetRealLinux(void) {
+  struct timespec ts;
+
+  if(clock_gettime(CLOCK_REALTIME, &ts) != 0) {
+    return 0.0;
+  }
+
+  return (
+    ((double)ts.tv_sec) +
+    ((double)ts.tv_nsec / 1000000000.0)
+  );
+}
+
+double_t timeGetRealTimeZoneLinux(void) {
+  time_t now = time(NULL);
+  struct tm local_tm;
+  localtime_r(&now, &local_tm);
+  return (double_t)(local_tm.tm_gmtoff);
+}

src/dusklinux/time/timelinux.h

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+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "dusk.h"
+
+/**
+ * Returns the real current time, in seconds since January 1, 1970.
+ * 
+ * @return The real current time, in seconds since January 1, 1970.
+ */
+double_t timeGetRealLinux(void);
+
+/**
+ * Returns the real time zone offset in seconds from UTC.
+ * 
+ * @return The real time zone offset in seconds from UTC.
+ */
+double_t timeGetRealTimeZoneLinux(void);

src/dusklinux/time/timeplatform.h

@@ -0,0 +1,15 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "time/timesdl2.h"
+#include "time/timelinux.h"
+
+#define timeTickPlatform timeTickSDL2
+#define timeGetDeltaPlatform timeGetDeltaSDL2
+#define timeGetRealPlatform timeGetRealLinux
+#define timeGetRealTimeZonePlatform timeGetRealTimeZoneLinux