From 71552a57dead2ae1639043ca3008674d87c7688c Mon Sep 17 00:00:00 2001
From: Tenari <djz24@case.edu>
Date: Thu, 2 Jul 2026 08:59:18 -0500
Subject: [PATCH] time

---
 all.h      | 28 ++++++++++++++++++++++++++++
 linux_os.c |  8 --------
 mac_os.c   |  6 ------
 unix_os.c  | 21 +++++++++++++++++++++
 win32_os.c | 15 +++++++++++++++
 5 files changed, 64 insertions(+), 14 deletions(-)

diff --git a/all.h b/all.h
index 878b149..30f9251 100644
--- a/all.h
+++ b/all.h
@@ -611,6 +611,17 @@ typedef struct ThreadContext {
   LaneCtx lane_ctx;
 } ThreadContext;
 
+typedef struct HumanTime {
+  i16 year;
+  u8 month;
+  u8 month_i;
+  u8 date;
+  u8 hour;
+  u8 min;
+  u8 sec;
+  u8 zone;
+} HumanTime;
+
 ///// HARDCODED GLOBALS
 global const u64 MAX_u64 = 0xffffffffffffffffull;
 global const i64 MAX_i64 = 9223372036854775807LL;
@@ -627,6 +638,19 @@ global const u8  MAX_u8  = 0xff;
 #ifndef SQRT_3
 # define SQRT_3 (1.7320508076)
 #endif
+#ifndef ONE_MILLION
+#  define ONE_MILLION (1000000)
+#endif
+#ifndef ONE_THOUSAND
+#  define ONE_THOUSAND (1000)
+#endif
+#ifndef MICROSECONDS_PER_SECOND
+#  define MICROSECONDS_PER_SECOND ONE_MILLION
+#endif
+#ifndef NANOSECONDS_PER_MICROSECOND
+#  define NANOSECONDS_PER_MICROSECOND ONE_THOUSAND
+#endif
+
 
 ///// CUSTOM ENTRY POINT
 /* TODO?
@@ -732,8 +756,10 @@ fn void*  osMemoryReserve(u64 size);
 fn void   osMemoryCommit(void* memory, u64 size);
 fn void   osMemoryDecommit(void* memory, u64 size);
 fn void   osMemoryRelease(void* memory, u64 size);
+
 fn u64    osTimeMicrosecondsNow();
 fn void   osSleepMicroseconds(u32 t);
+fn HumanTime osHumanTimeFromMicroseconds(u64 micros);
 
 // Files
 fn bool   osFileExists(String filename);
@@ -808,7 +834,9 @@ typedef struct StringArena {
   Mutex mutex;
 } StringArena;
 
+#define stringChunkListAlloc(a, s) allocStringChunkList(a, s)
 fn StringChunkList allocStringChunkList(StringArena* a, String string);
+#define stringChunkListRelease(a, l) releaseStringChunkList(a, l)
 fn void releaseStringChunkList(StringArena* a, StringChunkList* list);
 fn String stringChunkToString(Arena* a, StringChunkList list);
 fn String stringChunkToStringWithPadding(Arena* a, StringChunkList list, u32 extra);
diff --git a/linux_os.c b/linux_os.c
index b3f6f4b..c02012d 100644
--- a/linux_os.c
+++ b/linux_os.c
@@ -27,14 +27,6 @@ fn void osBarrierWait(Barrier barrier) {
 }
 
 // Time
-fn u64 osTimeMicrosecondsNow() {
-  struct timespec ts;
-  clock_gettime(CLOCK_MONOTONIC, &ts);
-	return ((u64)ts.tv_sec * 1000000) + ((u64)ts.tv_nsec / 1000000);
-}
-
-#define MICROSECONDS_PER_SECOND 1000000
-#define NANOSECONDS_PER_MICROSECOND 1000
 fn void osSleepMicroseconds(u32 t) {
   struct timespec ts = { t / MICROSECONDS_PER_SECOND, (t % MICROSECONDS_PER_SECOND)*NANOSECONDS_PER_MICROSECOND };
   nanosleep(&ts, NULL);
diff --git a/mac_os.c b/mac_os.c
index d8aea68..624076c 100644
--- a/mac_os.c
+++ b/mac_os.c
@@ -27,12 +27,6 @@ fn void osBarrierWait(Barrier barrier) {
 }
 
 // Time
-fn u64 osTimeMicrosecondsNow() {
-  struct timespec ts;
-  clock_gettime(CLOCK_MONOTONIC_RAW, &ts);
-	return ((u64)ts.tv_sec * 1000000) + ((u64)ts.tv_nsec / 1000000);
-}
-
 fn void osSleepMicroseconds(u32 t) {
   usleep(t);
 }
diff --git a/unix_os.c b/unix_os.c
index fd52209..766a005 100644
--- a/unix_os.c
+++ b/unix_os.c
@@ -273,3 +273,24 @@ fn bool osFileWriteOpenFile(Resulti64 handle, String data) {
   return true;
 }
 
+// Time
+fn u64 osTimeMicrosecondsNow() {
+  struct timespec ts;
+  clock_gettime(CLOCK_REALTIME, &ts);
+  return ((u64)ts.tv_sec * MICROSECONDS_PER_SECOND) + ((u64)ts.tv_nsec / NANOSECONDS_PER_MICROSECOND);
+}
+
+fn HumanTime osHumanTimeFromMicroseconds(u64 micros) {
+  HumanTime result = {0};
+  time_t secs = (time_t)(micros / 1000000ULL);
+  struct tm t;
+  localtime_r(&secs, &t);
+  result.year = 1900 + t.tm_year;
+  result.month = t.tm_mon + 1;
+  result.month_i = t.tm_mon;
+  result.date = t.tm_mday;
+  result.hour = t.tm_hour;
+  result.min = t.tm_min;
+  result.sec = t.tm_sec;
+  return result;
+}
diff --git a/win32_os.c b/win32_os.c
index 75c7917..499da82 100644
--- a/win32_os.c
+++ b/win32_os.c
@@ -353,3 +353,18 @@ bool osThreadJoin(Thread handle, u64 endt_us) {
   }
   return (wait_result == WAIT_OBJECT_0);
 }
+
+fn HumanTime osHumanTimeFromMicroseconds(u64 micros) {
+  HumanTime result = {0};
+  time_t secs = (time_t)(micros / MICROSECONDS_PER_SECOND);
+  struct tm t;
+  localtime_s(&t, &secs);
+  result.year = 1900 + t.tm_year;
+  result.month = t.tm_mon + 1;
+  result.month_i = t.tm_mon;
+  result.date = t.tm_mday
+  result.hour = t.tm_hour;
+  result.min = t.tm_min;
+  result.sec = t.tm_sec;
+  return result;
+}