From 5d12f1a203ff731b685c0163ad62671857b34f4d Mon Sep 17 00:00:00 2001
From: J Reece Wilson <me@reece.sx>
Date: Mon, 18 Sep 2023 07:11:34 +0100
Subject: [PATCH] [*] Resolve IO regressions (4. Hello FS) (Mostly UNIX)

---
 Source/IO/FS/FS.Unix.cpp         |  3 +--
 Source/IO/FS/FileStream.Unix.cpp | 11 +++++------
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/Source/IO/FS/FS.Unix.cpp b/Source/IO/FS/FS.Unix.cpp
index e769dbc2..bbfdfa0f 100755
--- a/Source/IO/FS/FS.Unix.cpp
+++ b/Source/IO/FS/FS.Unix.cpp
@@ -265,12 +265,11 @@ namespace Aurora::IO::FS
             SysPushErrorIO();
             return false; 
         }
-        
+
         // NOTE: File devices love to lie
         //       Do not entertain an arbitrarily large page length provided by non-regular fds
 
         buffer.writePtr += uLength;
-
         if (bIsZero)
         {
             AuTryDownsize(buffer, uLength);
diff --git a/Source/IO/FS/FileStream.Unix.cpp b/Source/IO/FS/FileStream.Unix.cpp
index d86254e1..55267f1c 100755
--- a/Source/IO/FS/FileStream.Unix.cpp
+++ b/Source/IO/FS/FileStream.Unix.cpp
@@ -38,7 +38,6 @@ namespace Aurora::IO::FS
     #else
         #error accient 32-bit posix operating systems require 64-bit file awareness
     #endif
-        
         if (ret < 0)
         {
             //SysPushErrorIO("PosixLseek63 IO Error: %i", ret);
@@ -56,7 +55,7 @@ namespace Aurora::IO::FS
     static AuUInt64 PosixGetOffset(int fd)
     {
         AuUInt64 ret;
-        if (!PosixLseek63(fd, 0, SEEK_SET, &ret)) 
+        if (!PosixLseek63(fd, 0, SEEK_CUR, &ret)) 
         {
             return 0;
         }
@@ -73,14 +72,13 @@ namespace Aurora::IO::FS
         AuUInt64 ret {}, old {};
         bool status {};
         
-        if (!PosixLseek63(fd, 0, SEEK_SET, &old)) 
+        if (!PosixLseek63(fd, 0, SEEK_CUR, &old)) 
         {
             return 0;
         }
         
         status  = PosixLseek63(fd, 0, SEEK_END, &ret);
         status &= PosixLseek63(fd, old, SEEK_SET, nullptr);
-        
         return status ? ret : 0;
     }
     
@@ -105,7 +103,7 @@ namespace Aurora::IO::FS
     bool PosixWrite(int fd, const void *buf, AuUInt32 count, AuUInt32 *pWritten)
     {
         auto ret = write(fd, buf, count);
-        
+
         if (ret < 0)
         {
             SysPushErrorIO("PosixWrite IO Error: %i", ret);
@@ -238,6 +236,7 @@ namespace Aurora::IO::FS
         AU_LOCK_GUARD(this->spinlock_);
         
         parameters.outVariable = 0;
+	
 
         if (!this->pHandle_)
         {
@@ -378,7 +377,7 @@ namespace Aurora::IO::FS
             return;
         }
         
-        ::ftruncate(fd, GetOffset());
+        ::ftruncate(fd, PosixGetOffset(fd));
     }
 
     void PosixFileStream::MakeTemporary()