progress

src/utils.c

@@ -2,6 +2,12 @@
 #include <stdlib.h>
 #include <string.h>
 
+#ifdef NN_POSIX
+#include <time.h>
+#else
+#include <windows.h>
+#endif
+
 void *nn_malloc(size_t size) {
     return malloc(size);
 }
@@ -27,3 +33,30 @@ void *nn_memdup(const void *buf, size_t len) {
     if(m == NULL) return m;
     return memcpy(m, buf, len);
 }
+
+#ifdef NN_POSIX
+
+double nn_realTime() {
+    struct timespec time;
+    if(clock_gettime(CLOCK_MONOTONIC, &time) < 0) return 0; // oh no
+    return time.tv_sec + ((double)time.tv_nsec) / 1e9;
+}
+
+#else
+
+
+double nn_realTime() {
+    LARGE_INTEGER frequency = {0};
+    if(!QueryPerformanceFrequency(&frequency)) return 0;
+
+    LARGE_INTEGER now = {0};
+    if(!QueryPerformanceCounter(&now)) return 0;
+
+    return (double)now.QuadPart / frequency.QuadPart;
+}
+
+#endif
+
+double nn_realTimeClock(void *_) {
+    return nn_realTime();
+}