adding file timestamps to file_status

src/platform/osx_clock.c

@@ -85,6 +85,7 @@ void oc_clock_init()
     //RandomSeedFromDevice();
 }
 
+/*
 u64 oc_clock_timestamp(oc_clock_kind clock)
 {
     u64 ts = 0;
@@ -120,16 +121,9 @@ u64 oc_clock_timestamp(oc_clock_kind clock)
         break;
     }
 
-    /*
-	//NOTE(martin): add a random fuzz between 0 and 1 times the system fuzz
-	//TODO(martin): ensure that we always return a value greater than the last value
-	f64 fuzz = RandomU32()/(f64)(~(0UL)) * OC_CLOCK_FUZZ;
-	ts_timediff tdfuzz = TimediffFromSeconds(fuzz);
-	ts = TimestampAdd(ts, tdfuzz);
-	*/
-
     return (ts);
 }
+*/
 
 f64 oc_clock_time(oc_clock_kind clock)
 {

src/platform/platform_clock.h

@@ -13,8 +13,7 @@
 #include "util/typedefs.h"
 
 #ifdef __cplusplus
-extern "C"
-{
+extern "C" {
 #endif // __cplusplus
 
 typedef enum
@@ -24,8 +23,10 @@ extern "C"
     OC_CLOCK_DATE       // clock that is driven by the platform time
 } oc_clock_kind;
 
+#if !defined(OC_PLATFORM_ORCA) || !OC_PLATFORM_ORCA
 ORCA_API void oc_clock_init(); // initialize the clock subsystem
-    ORCA_API u64 oc_clock_timestamp(oc_clock_kind clock);
+#endif
+
 ORCA_API f64 oc_clock_time(oc_clock_kind clock);
 
 #ifdef __cplusplus

src/platform/platform_io.h

@@ -206,6 +206,13 @@ enum oc_file_perm
     OC_FILE_SET_UID = 1 << 11,
 };
 
+typedef struct oc_datestamp
+{
+    i64 seconds;  // seconds relative to NTP epoch.
+    u64 fraction; // fraction of seconds elapsed since the time specified by seconds.
+
+} oc_datestamp;
+
 typedef struct oc_file_status
 {
     u64 uid;
@@ -213,7 +220,9 @@ typedef struct oc_file_status
     oc_file_perm perm;
     u64 size;
 
-    //TODO times
+    oc_datestamp creationDate;
+    oc_datestamp accessDate;
+    oc_datestamp modificationDate;
 
 } oc_file_status;
 

src/platform/posix_io.c

@@ -280,6 +280,17 @@ static oc_file_type oc_io_convert_type_from_stat(u16 mode)
     return (type);
 }
 
+static const u64 OC_NTP_JAN_1970 = 2208988800ULL; // seconds from january 1900 to january 1970
+
+oc_datestamp oc_datestamp_from_timespec(struct timespec ts)
+{
+    oc_datestamp d = { 0 };
+    d.seconds = ts.tv_sec + OC_NTP_JAN_1970;
+    d.fraction = (ts.tv_nsec * (1ULL << 32)) / 1000000000;
+
+    return (d);
+}
+
 oc_io_error oc_io_raw_fstat(oc_file_desc fd, oc_file_status* status)
 {
     oc_io_error error = OC_IO_OK;
@@ -294,7 +305,10 @@ oc_io_error oc_io_raw_fstat(oc_file_desc fd, oc_file_status* status)
         status->perm = oc_io_convert_perm_from_stat(s.st_mode);
         status->type = oc_io_convert_type_from_stat(s.st_mode);
         status->size = s.st_size;
-        //TODO: times
+
+        status->creationDate = oc_datestamp_from_timespec(s.st_birthtimespec);
+        status->accessDate = oc_datestamp_from_timespec(s.st_atimespec);
+        status->modificationDate = oc_datestamp_from_timespec(s.st_mtimespec);
     }
     return (error);
 }

src/platform/win32_io.c

@@ -229,6 +229,36 @@ bool oc_io_raw_file_exists_at(oc_file_desc dirFd, oc_str8 path, oc_file_open_fla
     return (result);
 }
 
+enum
+{
+    OC_NTP_01_JAN_1601 = -9435484800LL,
+    OC_WIN32_TICKS_PER_SECOND = 10000000LL
+};
+
+oc_datestamp oc_datestamp_from_win32_filetime(FILETIME ft)
+{
+    oc_datestamp d = { 0 };
+
+    i64 win32Ticks = (((u64)ft.high) << 32) | (u64)ft.low;
+
+    i64 win32Seconds = win32Ticks / OC_WIN32_TICKS_PER_SECOND;
+    u64 win32Rem = 0;
+    if(winTicks < 0)
+    {
+        win32Seconds -= OC_WIN32_TICKS_PER_SECOND;
+        win32Rem = win32Ticks - seconds * OC_WIN32_TICKS_PER_SECOND;
+    }
+    else
+    {
+        win32Rem = win32Ticks % OC_WIN32_TICKS_PER_SECOND;
+    }
+
+    d.seconds = win32Seconds + OC_NTP_01_JAN_1601;
+    d.fraction = (win32Rem * (1ULL << 32)) / OC_WIN32_TICKS_PER_SECOND;
+
+    return (d);
+}
+
 oc_io_error oc_io_raw_fstat(oc_file_desc fd, oc_file_status* status)
 {
     oc_io_error error = OC_IO_OK;
@@ -290,7 +320,16 @@ oc_io_error oc_io_raw_fstat(oc_file_desc fd, oc_file_status* status)
         {
             status->perm = OC_FILE_OWNER_WRITE | OC_FILE_GROUP_WRITE | OC_FILE_OTHER_WRITE;
         }
-        //TODO: times
+
+        FILETIME win32CreationDate;
+        FILETIME win32AccessDate;
+        FILETIME win32ModificationDate;
+
+        GetFileTime(fd, &win32CreationDate, &win32AccessDate, &win32ModificationDate);
+
+        status->creationDate = oc_datestamp_from_win32_filetime(win32CreationDate);
+        status->accessDate = oc_datestamp_from_win32_filetime(win32AccessDate);
+        status->modificationDate = oc_datestamp_from_win32_filetime(win32ModificationDate);
     }
     return (error);
 }