From 3143f3d2eb98d61078c153463bca79b223ded5f5 Mon Sep 17 00:00:00 2001
From: J Reece Wilson <me@reece.sx>
Date: Thu, 4 Jul 2024 18:50:33 +0100
Subject: [PATCH] [*] Handling of edge case special dirs under Torbalds OS

---
 Source/IO/FS/FS.Unix.cpp | 41 ++++++++++++++++++++++++++++++++++++----
 Source/IO/FS/FS.cpp      | 34 +++++++++++++++++++++++++++++++--
 2 files changed, 69 insertions(+), 6 deletions(-)

diff --git a/Source/IO/FS/FS.Unix.cpp b/Source/IO/FS/FS.Unix.cpp
index ceb4c4df..a04324ef 100755
--- a/Source/IO/FS/FS.Unix.cpp
+++ b/Source/IO/FS/FS.Unix.cpp
@@ -130,8 +130,9 @@ namespace Aurora::IO::FS
                     continue;
                 }
 
-                stat.path            = NormalizePathRet(this->sPath + stat.fileName);
-
+                AuString name = stat.fileName;
+                AuReplaceAll(name, "\\", "\\\\");
+                stat.path            = this->sPath + name;
                 if (this->bFast)
                 {
                 //    nvm wont work. still need the is type dir/file flags
@@ -142,7 +143,6 @@ namespace Aurora::IO::FS
                 {
                     bTryAgain = true;
                 }
-
             }
             while (AuExchange(bTryAgain, false));
 
@@ -244,6 +244,34 @@ namespace Aurora::IO::FS
         return true;
     }
 
+    bool SpecialsInDirectory(const AuROString &string, AuList<AuString> &dirs)
+    {
+        auto itr = ReadDirEx(string, true);
+        if (!itr)
+        {
+            AuLogDbg("failed to open special read dir");
+            return false;
+        }
+
+        // SECURITY(): if next fails, its indistinguishable from end of file list, and will return true. it kinda sucks
+        while (auto stat = itr->Next())
+        {
+        #if 0
+            if (!stat->bExistsSystemResource)
+            {
+                continue;
+            }
+        #endif
+
+            if (!AuTryInsert(dirs, stat->fileName))
+            {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
     AUKN_SYM bool ReadFile(const AuROString &path, AuByteBuffer &buffer)
     {
         AuMemoryViewWrite writeView;
@@ -595,19 +623,24 @@ namespace Aurora::IO::FS
             {
                 SysPushErrorIO("Critical IO error while stating file (errno: {}, path: {})", errno, path);
             }
+
             return false;
         }
 
         stat.bExistsFile           = S_ISREG(s.st_mode);
         stat.bExistsDirectory      = S_ISDIR(s.st_mode);
-        stat.bExistsSystemResource = S_ISSOCK(s.st_mode);
+        stat.bExistsSystemResource = S_ISSOCK(s.st_mode) || S_ISBLK(s.st_mode) || S_ISCHR(s.st_mode);
         stat.bExists               = stat.bExistsFile || stat.bExistsDirectory || stat.bExistsSystemResource;
 
+    #if 0
         if (!stat.bExists)
         {
             SysPushErrorIO("Missing attribute type in stat mode {} (of path {})", s.st_mode, path);
             return false;
         }
+    #else
+        stat.bExists = true;
+    #endif
 
         stat.uSize = s.st_size;
 
diff --git a/Source/IO/FS/FS.cpp b/Source/IO/FS/FS.cpp
index 2119ae65..01c86df8 100644
--- a/Source/IO/FS/FS.cpp
+++ b/Source/IO/FS/FS.cpp
@@ -274,10 +274,27 @@ namespace Aurora::IO::FS
         // best case -> O(n) wherein we merely check each BYTE with a handful of branch conditions
         int doubleDots = 0;
         int doubleSlash = 0;
-        for (auto &character : str)
+        char prevC = '\0';
+
+        //for (auto &character : str)
+        for (auto itr = str.begin();
+             itr != str.end();
+             itr++)
         {
+            auto character = *itr;
+            auto holding = *itr;
+
             if ((character == '\\') || (character == '/'))
             {
+            #if defined(AURORA_IS_POSIX_DERIVED)
+                if (character == '\\' &&
+                    prevC == '\\')
+                {
+                    *(itr - 1) = '\\';
+                    itr = str.erase(itr);
+                }
+            #endif
+
                 character = kPathSplitter;
                 doubleSlash++;
             }
@@ -297,6 +314,7 @@ namespace Aurora::IO::FS
             
             requiresExpanding |= doubleDots >= 2;
             requiresExpanding |= doubleSlash >= 2;
+            prevC = holding;
         }
         
         // plus this, i guess
@@ -719,7 +737,19 @@ namespace Aurora::IO::FS
         AuUInt indexA {}, indexB {};
 
         auto a = path.find_last_of('\\');
-        if (a != AuString::npos) indexA = a;
+        if (a != AuString::npos)
+        {
+            indexA = a;
+        #if defined(AURORA_IS_POSIX_DERIVED)
+            if (a)
+            {
+                if (path[(a - 1)] == '\\')
+                {
+                    indexA = 0;
+                }
+            }
+        #endif
+        }
 
         auto b = path.find_last_of('/');
         if (b != AuString::npos) indexB = b;