Release 1.8.0

Also check nlink on Unix only
and test if something is a symlink

.travis.yml

@@ -6,7 +6,6 @@ env:
   - LUA="lua 5.1"
   - LUA="lua 5.2"
   - LUA="lua 5.3"
-  - LUA="luajit 2.0"
   - LUA="luajit 2.1"
 
 before_install:
@@ -20,7 +19,7 @@ before_install:
   - luarocks install luacov-coveralls --server=https://luarocks.org/dev --deps-mode=none
 
 install:
-  - luarocks make rockspecs/luafilesystem-cvs-3.rockspec CFLAGS="-O2 -fPIC -ftest-coverage -fprofile-arcs" LIBFLAG="-shared --coverage"
+  - luarocks make CFLAGS="-O2 -fPIC -ftest-coverage -fprofile-arcs" LIBFLAG="-shared --coverage"
 
 script:
   - lua -lluacov tests/test.lua

Makefile

@@ -12,14 +12,14 @@ OBJS= src/$T.o
 lib: src/lfs.so
 
 src/lfs.so: $(OBJS)
-	MACOSX_DEPLOYMENT_TARGET="10.3"; export MACOSX_DEPLOYMENT_TARGET; $(CC) $(LIB_OPTION) -o src/lfs.so $(OBJS)
+	MACOSX_DEPLOYMENT_TARGET=$(MACOSX_DEPLOYMENT_TARGET); export MACOSX_DEPLOYMENT_TARGET; $(CC) $(LIB_OPTION) -o src/lfs.so $(OBJS)
 
 test: lib
 	LUA_CPATH=./src/?.so lua tests/test.lua
 
 install:
-	mkdir -p $(LUA_LIBDIR)
-	cp src/lfs.so $(LUA_LIBDIR)
+	mkdir -p $(DESTDIR)$(LUA_LIBDIR)
+	cp src/lfs.so $(DESTDIR)$(LUA_LIBDIR)
 
 clean:
 	rm -f src/lfs.so $(OBJS)

README.md

@@ -5,7 +5,7 @@
 
 # LuaFileSystem - File System Library for Lua
 
-Copyright 2003-2017 Kepler Project
+Copyright 2003-2020 Kepler Project
 
 https://keplerproject.github.io/luafilesystem
 

appveyor.yml

@@ -11,7 +11,6 @@ environment:
   - LUA: "lua 5.1"
   - LUA: "lua 5.2 --compat none"
   - LUA: "lua 5.3 --compat none"
-  - LUA: "luajit 2.0"
   - LUA: "luajit 2.1"
 
 # Abuse this section so we can have a matrix with different Compiler versions
@@ -30,7 +29,7 @@ before_build:
 - echo "Installing external deps"
 
 build_script:
-- luarocks make rockspecs/luafilesystem-cvs-3.rockspec
+- luarocks make
 
 before_test:
 

config

@@ -3,21 +3,25 @@
 # Default installation prefix
 PREFIX=/usr/local
 
+LUA_VERSION = 5.1
+
 # System's libraries directory (where binary libraries are installed)
-LUA_LIBDIR= $(PREFIX)/lib/lua/5.1
+LUA_LIBDIR= $(PREFIX)/lib/lua/$(LUA_VERSION)
 
 # Lua includes directory
-LUA_INC= $(PREFIX)/include
+LUA_INC += -I$(PREFIX)/include
+LUA_INC += -I/usr/include/lua$(LUA_VERSION) -I/usr/include/lua/$(LUA_VERSION)
 
 # OS dependent
 LIB_OPTION= -shared #for Linux
 #LIB_OPTION= -bundle -undefined dynamic_lookup #for MacOS X
 
-LIBNAME= $T.so.$V
+# Minimum runtime OS version on macOS
+MACOSX_DEPLOYMENT_TARGET= 10.5
 
 # Compilation directives
 WARN= -O2 -Wall -fPIC -W -Waggregate-return -Wcast-align -Wmissing-prototypes -Wnested-externs -Wshadow -Wwrite-strings -pedantic
-INCS= -I$(LUA_INC)
+INCS= $(LUA_INC)
 CFLAGS= $(WARN) $(INCS)
 CC= gcc
 

config.win

@@ -1,14 +1,14 @@
+LUA_VERSION= 5.1
+
 # Installation directories
 # System's libraries directory (where binary libraries are installed)
-LUA_LIBDIR= "c:\lua5.1"
+LUA_LIBDIR= "c:\lua$(LUA_VERSION)"
 
 # Lua includes directory
-LUA_INC= "c:\lua5.1\include"
+LUA_INC= "c:\lua$(LUA_VERSION)\include"
 
 # Lua library
-LUA_LIB= "c:\lua5.1\lua5.1.lib"
-
-LIBNAME= $T.dll
+LUA_LIB= "c:\lua$(LUA_VERSION)\lua$(LUA_VERSION).lib"
 
 # Compilation directives
 WARN= /O2

doc/us/index.html

@@ -70,7 +70,7 @@ the underlying directory structure and file attributes.</p>
 
 <h2><a name="status"></a>Status</h2>
 
-<p>Current version is 1.7.0. It works with Lua 5.1, 5.2 and 5.3, and it runs on various
+<p>Current version is 1.8.0. It works with Lua 5.1, 5.2, 5.3 and 5.4, and it runs on various
 flavors of Unix (including Linux, BSDs, macOS) and Windows.</p>
 
 <h2><a name="download"></a>Download</h2>
@@ -86,6 +86,15 @@ $ luarocks install luafilesystem
 <h2><a name="history"></a>History</h2>
 
 <dl class="history">
+    <dt><strong>Version 1.8.0</strong> [22/Apr/2020]</dt>
+    <dd><ul>
+        <li>Lua 5.4 support</li>
+        <li>lfs.link and lfs.symlinkattributes now work on Windows</li>
+        <li>MACOSX_DEPLOYMENT_TARGET is configurable in the Makefile</li>
+        <li>Fallback to _POSIX_PATH_MAX when MAXPATHLEN is not avaliable</li>
+        <li>Fixed memory leak in case of realloc failure</li>
+    </ul></dd>
+
     <dt><strong>Version 1.7.0</strong> [15/Sep/2017]</dt>
     <dd><ul>
         <li>symlinkattributes function now provides 'target' field, containing name of the file that the symlink points to.</li>

doc/us/license.html

@@ -84,7 +84,7 @@ Ierusalimschy, André Carregal and Tomás Guisasola.
 The implementation is not derived from licensed software.</p>
 
 <hr/>
-<p>Copyright &copy; 2003 - 2017 Kepler Project.</p>
+<p>Copyright &copy; 2003 - 2020 Kepler Project.</p>
 
 <p>Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation

doc/us/manual.html

@@ -102,15 +102,15 @@ LuaFileSystem offers the following functions:
 </p>
 
 <dl class="reference">
-    <dt><a name="attributes"></a><strong><code>lfs.attributes (filepath [, aname | atable])</code></strong></dt>
+    <dt><a name="attributes"></a><strong><code>lfs.attributes (filepath [, request_name | result_table])</code></strong></dt>
     <dd>Returns a table with the file attributes corresponding to
     <code>filepath</code> (or <code>nil</code> followed by an error message and a system-dependent error code
     in case of error).
     If the second optional argument is given and is a string, then only the value of the
     named attribute is returned (this use is equivalent to
-    <code>lfs.attributes(filepath)[aname]</code>, but the table is not created
+    <code>lfs.attributes(filepath)[request_name]</code>, but the table is not created
     and only one attribute is retrieved from the O.S.).
-    if a table is passed as the second argument, it is filled with attributes and returned instead of a new table.
+    if a table is passed as the second argument, it (<code>result_table</code>) is filled with attributes and returned instead of a new table.
     The attributes are described as follows;
     attribute <code>mode</code> is a string, all the others are numbers,
     and the time related attributes use the same time reference of
@@ -239,7 +239,7 @@ LuaFileSystem offers the following functions:
     setting the mode has no effect, and the mode is always returned as <code>binary</code>.
     </dd>
     
-    <dt><a name="symlinkattributes"></a><strong><code>lfs.symlinkattributes (filepath [, aname])</code></strong></dt>
+    <dt><a name="symlinkattributes"></a><strong><code>lfs.symlinkattributes (filepath [, request_name])</code></strong></dt>
     <dd>Identical to <a href="#attributes">lfs.attributes</a> except that
     it obtains information about the link itself (not the file it refers to).
     It also adds a <strong><code>target</code></strong> field, containing

luafilesystem-scm-1.rockspec

@@ -1,8 +1,7 @@
-package = "LuaFileSystem"
-version = "1.7.0-1"
+package = "luafilesystem"
+version = "scm-1"
 source = {
-   url = "git://github.com/keplerproject/luafilesystem",
-   tag = "v1_7_0",
+   url = "git://github.com/keplerproject/luafilesystem"
 }
 description = {
    summary = "File System Library for the Lua Programming Language",
@@ -12,7 +11,7 @@ description = {
       distribution. LuaFileSystem offers a portable way to access the
       underlying directory structure and file attributes.
    ]],
-   license = "MIT/X11",
+   license = "MIT/X11"
 }
 dependencies = {
    "lua >= 5.1"
@@ -23,6 +22,7 @@ build = {
       lfs = "src/lfs.c"
    },
    copy_directories = {
-      "doc", "tests"
+      "doc",
+      "tests"
    }
 }

rockspecs/luafilesystem-1.3.0-1.rockspec

@@ -1,27 +0,0 @@
-package = "LuaFileSystem"
-version = "1.3.0-1"
-source = {
-   url = "http://luaforge.net/frs/download.php/2679/luafilesystem-1.3.0.tar.gz"
-}
-description = {
-   summary = "File System Library for the Lua Programming Language",
-   detailed = [[
-      LuaFileSystem is a Lua library developed to complement the set of
-      functions related to file systems offered by the standard Lua
-      distribution. LuaFileSystem offers a portable way to access the
-      underlying directory structure and file attributes.
-   ]]
-}
-dependencies = {
-   "lua >= 5.1"
-}
-build = {
-   type = "make",
-   build_variables = {
-      LUA_INC = "$(LUA_INCDIR)",
-      LIB_OPTION = "$(LIBFLAG)"
-   },
-   install_variables = {
-      LUA_LIBDIR = "$(LIBDIR)"
-   }
-}

rockspecs/luafilesystem-1.4.0-1.rockspec

@@ -1,27 +0,0 @@
-package = "LuaFileSystem"
-version = "1.4.0-1"
-source = {
-   url = "http://luaforge.net/frs/download.php/3158/luafilesystem-1.4.0.tar.gz"
-}
-description = {
-   summary = "File System Library for the Lua Programming Language",
-   detailed = [[
-      LuaFileSystem is a Lua library developed to complement the set of
-      functions related to file systems offered by the standard Lua
-      distribution. LuaFileSystem offers a portable way to access the
-      underlying directory structure and file attributes.
-   ]]
-}
-dependencies = {
-   "lua >= 5.1"
-}
-build = {
-   type = "make",
-   build_variables = {
-      LUA_INC = "$(LUA_INCDIR)",
-      LIB_OPTION = "$(LIBFLAG)"
-   },
-   install_variables = {
-      LUA_LIBDIR = "$(LIBDIR)"
-   }
-}

rockspecs/luafilesystem-1.4.0-2.rockspec

@@ -1,43 +0,0 @@
-package = "LuaFileSystem"
-version = "1.4.0-2"
-source = {
-   url = "http://luaforge.net/frs/download.php/3158/luafilesystem-1.4.0.tar.gz"
-}
-description = {
-   summary = "File System Library for the Lua Programming Language",
-   detailed = [[
-      LuaFileSystem is a Lua library developed to complement the set of
-      functions related to file systems offered by the standard Lua
-      distribution. LuaFileSystem offers a portable way to access the
-      underlying directory structure and file attributes.
-   ]]
-}
-dependencies = {
-   "lua >= 5.1"
-}
-build = {
-   platforms = {
-     unix = {
-        type = "make",
-       	build_variables = {
-         LIB_OPTION = "$(LIBFLAG)",
-         CFLAGS = "$(CFLAGS) -I$(LUA_INCDIR)",
-       	},
-       	install_variables = {
-         LUA_LIBDIR = "$(LIBDIR)"
-       	}
-     },
-     win32 = {
-        type = "make",
-       	build_variables = {
-         LUA_LIB = "$(LUA_LIBDIR)\\lua5.1.lib",
-         CFLAGS = "/MD $(CFLAGS) /I$(LUA_INCDIR)",
-       	},
-       	install_variables = {
-         LUA_LIBDIR = "$(LIBDIR)",
-         LUA_DIR = "$(LUADIR)",
-	 	 BIN_DIR = "$(BINDIR)"
-       	}
-     }
-  }
-}

rockspecs/luafilesystem-1.4.1-1.rockspec

@@ -1,43 +0,0 @@
-package = "LuaFileSystem"
-version = "1.4.1-1"
-source = {
-   url = "http://luaforge.net/frs/download.php/3345/luafilesystem-1.4.1.tar.gz",
-}
-description = {
-   summary = "File System Library for the Lua Programming Language",
-   detailed = [[
-      LuaFileSystem is a Lua library developed to complement the set of
-      functions related to file systems offered by the standard Lua
-      distribution. LuaFileSystem offers a portable way to access the
-      underlying directory structure and file attributes.
-   ]]
-}
-dependencies = {
-   "lua >= 5.1"
-}
-build = {
-   platforms = {
-     unix = {
-        type = "make",
-       	build_variables = {
-         LIB_OPTION = "$(LIBFLAG)",
-         CFLAGS = "$(CFLAGS) -I$(LUA_INCDIR) $(STAT64)",
-       	},
-       	install_variables = {
-         LUA_LIBDIR = "$(LIBDIR)"
-       	}
-     },
-     win32 = {
-        type = "make",
-       	build_variables = {
-         LUA_LIB = "$(LUA_LIBDIR)\\lua5.1.lib",
-         CFLAGS = "/MD $(CFLAGS) /I$(LUA_INCDIR)",
-       	},
-       	install_variables = {
-         LUA_LIBDIR = "$(LIBDIR)",
-         LUA_DIR = "$(LUADIR)",
-	 	 BIN_DIR = "$(BINDIR)"
-       	}
-     }
-  }
-}

rockspecs/luafilesystem-1.4.1rc1-1.rockspec

@@ -1,43 +0,0 @@
-package = "LuaFileSystem"
-version = "1.4.1rc1-1"
-source = {
-   url = "http://luafilesystem.luaforge.net/luafilesystem-1.4.1rc1.tar.gz",
-}
-description = {
-   summary = "File System Library for the Lua Programming Language",
-   detailed = [[
-      LuaFileSystem is a Lua library developed to complement the set of
-      functions related to file systems offered by the standard Lua
-      distribution. LuaFileSystem offers a portable way to access the
-      underlying directory structure and file attributes.
-   ]]
-}
-dependencies = {
-   "lua >= 5.1"
-}
-build = {
-   platforms = {
-     unix = {
-        type = "make",
-       	build_variables = {
-         LIB_OPTION = "$(LIBFLAG)",
-         CFLAGS = "$(CFLAGS) -I$(LUA_INCDIR) $(STAT64)",
-       	},
-       	install_variables = {
-         LUA_LIBDIR = "$(LIBDIR)"
-       	}
-     },
-     win32 = {
-        type = "make",
-       	build_variables = {
-         LUA_LIB = "$(LUA_LIBDIR)\\lua5.1.lib",
-         CFLAGS = "/MD $(CFLAGS) /I$(LUA_INCDIR)",
-       	},
-       	install_variables = {
-         LUA_LIBDIR = "$(LIBDIR)",
-         LUA_DIR = "$(LUADIR)",
-	 	 BIN_DIR = "$(BINDIR)"
-       	}
-     }
-  }
-}

rockspecs/luafilesystem-1.4.2-1.rockspec

@@ -1,26 +0,0 @@
-package = "LuaFileSystem"
-
-version = "1.4.2-1"
-
-source = {
-   url = "http://luaforge.net/frs/download.php/3931/luafilesystem-1.4.2.tar.gz",
-}
-
-description = {
-   summary = "File System Library for the Lua Programming Language",
-   detailed = [[
-      LuaFileSystem is a Lua library developed to complement the set of
-      functions related to file systems offered by the standard Lua
-      distribution. LuaFileSystem offers a portable way to access the
-      underlying directory structure and file attributes.
-   ]]
-}
-
-dependencies = {
-   "lua >= 5.1"
-}
-
-build = {
-   type = "module",
-   modules = { lfs = "src/lfs.c" }
-}

rockspecs/luafilesystem-1.5.0-1.rockspec

@@ -1,27 +0,0 @@
-package = "LuaFileSystem"
-
-version = "1.5.0-1"
-
-source = {
-   url = "http://cloud.github.com/downloads/keplerproject/luafilesystem/luafilesystem-1.5.0.tar.gz",
-}
-
-description = {
-   summary = "File System Library for the Lua Programming Language",
-   detailed = [[
-      LuaFileSystem is a Lua library developed to complement the set of
-      functions related to file systems offered by the standard Lua
-      distribution. LuaFileSystem offers a portable way to access the
-      underlying directory structure and file attributes.
-   ]]
-}
-
-dependencies = {
-   "lua >= 5.1"
-}
-
-build = {
-   type = "module",
-   modules = { lfs = "src/lfs.c" },
-   copy_directories = { "doc", "tests" }
-}

rockspecs/luafilesystem-1.6.0-1.rockspec

@@ -1,27 +0,0 @@
-package = "LuaFileSystem"
-
-version = "1.6.0-1"
-
-source = {
-   url = "https://github.com/downloads/keplerproject/luafilesystem/luafilesystem-1.6.0.tar.gz",
-}
-
-description = {
-   summary = "File System Library for the Lua Programming Language",
-   detailed = [[
-      LuaFileSystem is a Lua library developed to complement the set of
-      functions related to file systems offered by the standard Lua
-      distribution. LuaFileSystem offers a portable way to access the
-      underlying directory structure and file attributes.
-   ]]
-}
-
-dependencies = {
-   "lua >= 5.1"
-}
-
-build = {
-   type = "builtin",
-   modules = { lfs = "src/lfs.c" },
-   copy_directories = { "doc", "tests" }
-}

rockspecs/luafilesystem-1.6.1-1.rockspec

@@ -1,27 +0,0 @@
-package = "LuaFileSystem"
-
-version = "1.6.1-1"
-
-source = {
-   url = "https://github.com/downloads/keplerproject/luafilesystem/luafilesystem-1.6.1.tar.gz",
-}
-
-description = {
-   summary = "File System Library for the Lua Programming Language",
-   detailed = [[
-      LuaFileSystem is a Lua library developed to complement the set of
-      functions related to file systems offered by the standard Lua
-      distribution. LuaFileSystem offers a portable way to access the
-      underlying directory structure and file attributes.
-   ]]
-}
-
-dependencies = {
-   "lua >= 5.1"
-}
-
-build = {
-   type = "builtin",
-   modules = { lfs = "src/lfs.c" },
-   copy_directories = { "doc", "tests" }
-}

rockspecs/luafilesystem-1.6.2-1.rockspec

@@ -1,27 +0,0 @@
-package = "LuaFileSystem"
-
-version = "1.6.2-1"
-
-source = {
-   url = "https://github.com/downloads/keplerproject/luafilesystem/luafilesystem-1.6.2.tar.gz",
-}
-
-description = {
-   summary = "File System Library for the Lua Programming Language",
-   detailed = [[
-      LuaFileSystem is a Lua library developed to complement the set of
-      functions related to file systems offered by the standard Lua
-      distribution. LuaFileSystem offers a portable way to access the
-      underlying directory structure and file attributes.
-   ]]
-}
-
-dependencies = {
-   "lua >= 5.1"
-}
-
-build = {
-   type = "builtin",
-   modules = { lfs = "src/lfs.c" },
-   copy_directories = { "doc", "tests" }
-}

rockspecs/luafilesystem-1.6.3-1.rockspec

@@ -1,28 +0,0 @@
-package = "LuaFileSystem"
-version = "1.6.3-1"
-source = {
-   url = "git://github.com/keplerproject/luafilesystem",
-   tag = "v_1_6_3",
-}
-description = {
-   summary = "File System Library for the Lua Programming Language",
-   detailed = [[
-      LuaFileSystem is a Lua library developed to complement the set of
-      functions related to file systems offered by the standard Lua
-      distribution. LuaFileSystem offers a portable way to access the
-      underlying directory structure and file attributes.
-   ]],
-   license = "MIT/X11",
-}
-dependencies = {
-   "lua >= 5.1"
-}
-build = {
-   type = "builtin",
-   modules = {
-      lfs = "src/lfs.c"
-   },
-   copy_directories = {
-      "doc", "tests"
-   }
-}

rockspecs/luafilesystem-cvs-1.rockspec

@@ -1,44 +0,0 @@
-package = "LuaFileSystem"
-version = "cvs-1"
-source = {
-   url = "cvs://:pserver:anonymous:@cvs.luaforge.net:/cvsroot/luafilesystem",
-   cvs_tag = "HEAD"
-}
-description = {
-   summary = "File System Library for the Lua Programming Language",
-   detailed = [[
-      LuaFileSystem is a Lua library developed to complement the set of
-      functions related to file systems offered by the standard Lua
-      distribution. LuaFileSystem offers a portable way to access the
-      underlying directory structure and file attributes.
-   ]]
-}
-dependencies = {
-   "lua >= 5.1"
-}
-build = {
-   platforms = {
-     unix = {
-        type = "make",
-       	build_variables = {
-         LIB_OPTION = "$(LIBFLAG)",
-         CFLAGS = "$(CFLAGS) -I$(LUA_INCDIR)",
-       	},
-       	install_variables = {
-         LUA_LIBDIR = "$(LIBDIR)"
-       	}
-     },
-     win32 = {
-        type = "make",
-       	build_variables = {
-         LUA_LIB = "$(LUA_LIBDIR)\\lua5.1.lib",
-         CFLAGS = "$(CFLAGS) /I$(LUA_INCDIR)",
-       	},
-       	install_variables = {
-         LUA_LIBDIR = "$(LIBDIR)",
-         LUA_DIR = "$(LUADIR)",
-	 BIN_DIR = "$(BINDIR)"
-       	}
-     }
-  }
-}

rockspecs/luafilesystem-cvs-2.rockspec

@@ -1,26 +0,0 @@
-package = "LuaFileSystem"
-
-version = "cvs-2"
-
-source = {
-   url = "git://github.com/keplerproject/luafilesystem.git",
-}
-
-description = {
-   summary = "File System Library for the Lua Programming Language",
-   detailed = [[
-      LuaFileSystem is a Lua library developed to complement the set of
-      functions related to file systems offered by the standard Lua
-      distribution. LuaFileSystem offers a portable way to access the
-      underlying directory structure and file attributes.
-   ]]
-}
-
-dependencies = {
-   "lua >= 5.1"
-}
-
-build = {
-   type = "module",
-   modules = { lfs = "src/lfs.c" }
-}

rockspecs/luafilesystem-cvs-3.rockspec

@@ -1,27 +0,0 @@
-package = "LuaFileSystem"
-
-version = "cvs-3"
-
-source = {
-   url = "git://github.com/keplerproject/luafilesystem.git",
-}
-
-description = {
-   summary = "File System Library for the Lua Programming Language",
-   detailed = [[
-      LuaFileSystem is a Lua library developed to complement the set of
-      functions related to file systems offered by the standard Lua
-      distribution. LuaFileSystem offers a portable way to access the
-      underlying directory structure and file attributes.
-   ]]
-}
-
-dependencies = {
-   "lua >= 5.1, < 5.4"
-}
-
-build = {
-   type = "builtin",
-   modules = { lfs = "src/lfs.c" },
-   copy_directories = { "doc", "tests" }
-}

src/lfs.c

@@ -1,6 +1,7 @@
 /*
 ** LuaFileSystem
-** Copyright Kepler Project 2003 - 2017 (http://keplerproject.github.io/luafilesystem)
+** Copyright Kepler Project 2003 - 2020
+** (http://keplerproject.github.io/luafilesystem)
 **
 ** File system manipulation library.
 ** This library offers these functions:
@@ -29,6 +30,10 @@
 #endif
 #endif
 
+#ifdef _WIN32
+#define _WIN32_WINNT 0x600
+#endif
+
 #ifndef LFS_DO_NOT_USE_LARGE_FILE
 #define _LARGEFILE64_SOURCE
 #endif
@@ -41,26 +46,39 @@
 #include <sys/stat.h>
 
 #ifdef _WIN32
+
 #include <direct.h>
 #include <windows.h>
 #include <io.h>
 #include <sys/locking.h>
+
 #ifdef __BORLANDC__
 #include <utime.h>
 #else
 #include <sys/utime.h>
 #endif
+
 #include <fcntl.h>
+
 /* MAX_PATH seems to be 260. Seems kind of small. Is there a better one? */
 #define LFS_MAXPATHLEN MAX_PATH
+
 #else
+
 #include <unistd.h>
 #include <dirent.h>
 #include <fcntl.h>
 #include <sys/types.h>
 #include <utime.h>
 #include <sys/param.h>          /* for MAXPATHLEN */
+
+#ifdef MAXPATHLEN
 #define LFS_MAXPATHLEN MAXPATHLEN
+#else
+#include <limits.h>             /* for _POSIX_PATH_MAX */
+#define LFS_MAXPATHLEN _POSIX_PATH_MAX
+#endif
+
 #endif
 
 #include <lua.h>
@@ -69,10 +87,10 @@
 
 #include "lfs.h"
 
-#define LFS_VERSION "1.6.3"
+#define LFS_VERSION "1.8.0"
 #define LFS_LIBNAME "lfs"
 
-#if LUA_VERSION_NUM >= 503 /* Lua 5.3 */
+#if LUA_VERSION_NUM >= 503      /* Lua 5.3+ */
 
 #ifndef luaL_optlong
 #define luaL_optlong luaL_optinteger
@@ -105,6 +123,7 @@ typedef struct dir_data {
 #define LOCK_METATABLE "lock metatable"
 
 #ifdef _WIN32
+
 #ifdef __BORLANDC__
 #define lfs_setmode(file, m)   (setmode(_fileno(file), m))
 #define STAT_STRUCT struct stati64
@@ -112,15 +131,45 @@ typedef struct dir_data {
 #define lfs_setmode(file, m)   (_setmode(_fileno(file), m))
 #define STAT_STRUCT struct _stati64
 #endif
+
+#ifndef _S_IFLNK
+#define _S_IFLNK 0x400
+#endif
+
+#ifndef S_ISDIR
+#define S_ISDIR(mode)  (mode&_S_IFDIR)
+#endif
+#ifndef S_ISREG
+#define S_ISREG(mode)  (mode&_S_IFREG)
+#endif
+#ifndef S_ISLNK
+#define S_ISLNK(mode)  (mode&_S_IFLNK)
+#endif
+#ifndef S_ISSOCK
+#define S_ISSOCK(mode)  (0)
+#endif
+#ifndef S_ISFIFO
+#define S_ISFIFO(mode)  (0)
+#endif
+#ifndef S_ISCHR
+#define S_ISCHR(mode)  (mode&_S_IFCHR)
+#endif
+#ifndef S_ISBLK
+#define S_ISBLK(mode)  (0)
+#endif
+
 #define STAT_FUNC _stati64
-#define LSTAT_FUNC STAT_FUNC
+#define LSTAT_FUNC lfs_win32_lstat
+
 #else
+
 #define _O_TEXT               0
 #define _O_BINARY             0
 #define lfs_setmode(file, m)   ((void)file, (void)m, 0)
 #define STAT_STRUCT struct stat
 #define STAT_FUNC stat
 #define LSTAT_FUNC lstat
+
 #endif
 
 #ifdef _WIN32
@@ -130,6 +179,55 @@ typedef struct dir_data {
     S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP | S_IROTH | S_IXOTH))
 #endif
 
+#ifdef _WIN32
+
+int lfs_win32_pusherror(lua_State * L)
+{
+  int en = GetLastError();
+  lua_pushnil(L);
+  if (en == ERROR_FILE_EXISTS || en == ERROR_SHARING_VIOLATION)
+    lua_pushstring(L, "File exists");
+  else
+    lua_pushstring(L, strerror(en));
+  return 2;
+}
+
+#define TICKS_PER_SECOND 10000000
+#define EPOCH_DIFFERENCE 11644473600LL
+time_t windowsToUnixTime(FILETIME ft)
+{
+  ULARGE_INTEGER uli;
+  uli.LowPart = ft.dwLowDateTime;
+  uli.HighPart = ft.dwHighDateTime;
+  return (time_t) (uli.QuadPart / TICKS_PER_SECOND - EPOCH_DIFFERENCE);
+}
+
+int lfs_win32_lstat(const char *path, STAT_STRUCT * buffer)
+{
+  WIN32_FILE_ATTRIBUTE_DATA win32buffer;
+  if (GetFileAttributesEx(path, GetFileExInfoStandard, &win32buffer)) {
+    if (!(win32buffer.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)) {
+      return STAT_FUNC(path, buffer);
+    }
+    buffer->st_mode = _S_IFLNK;
+    buffer->st_dev = 0;
+    buffer->st_ino = 0;
+    buffer->st_nlink = 0;
+    buffer->st_uid = 0;
+    buffer->st_gid = 0;
+    buffer->st_rdev = 0;
+    buffer->st_atime = windowsToUnixTime(win32buffer.ftLastAccessTime);
+    buffer->st_mtime = windowsToUnixTime(win32buffer.ftLastWriteTime);
+    buffer->st_ctime = windowsToUnixTime(win32buffer.ftCreationTime);
+    buffer->st_size = 0;
+    return 0;
+  } else {
+    return 1;
+  }
+}
+
+#endif
+
 /*
 ** Utility functions
 */
@@ -144,7 +242,8 @@ static int pusherror(lua_State *L, const char *info)
   return 3;
 }
 
-static int pushresult(lua_State *L, int res, const char *info) {
+static int pushresult(lua_State * L, int res, const char *info)
+{
   if (res == -1) {
     return pusherror(L, info);
   } else {
@@ -157,7 +256,8 @@ static int pushresult(lua_State *L, int res, const char *info) {
 /*
 ** This function changes the working (current) directory
 */
-static int change_dir (lua_State *L) {
+static int change_dir(lua_State * L)
+{
   const char *path = luaL_checkstring(L, 1);
   if (chdir(path)) {
     lua_pushnil(L);
@@ -175,20 +275,25 @@ static int change_dir (lua_State *L) {
 ** If unable to get the current directory, it returns nil
 **  and a string describing the error
 */
-static int get_dir (lua_State *L) {
+static int get_dir(lua_State * L)
+{
 #ifdef NO_GETCWD
   lua_pushnil(L);
   lua_pushstring(L, "Function 'getcwd' not provided by system");
   return 2;
 #else
   char *path = NULL;
-    /* Passing (NULL, 0) is not guaranteed to work. Use a temp buffer and size instead. */
+  /* Passing (NULL, 0) is not guaranteed to work.
+     Use a temp buffer and size instead. */
   size_t size = LFS_MAXPATHLEN; /* initial buffer size */
   int result;
   while (1) {
-        path = realloc(path, size);
-        if (!path) /* failed to allocate */
-            return pusherror(L, "get_dir realloc() failed");
+    char *path2 = realloc(path, size);
+    if (!path2) {               /* failed to allocate */
+      result = pusherror(L, "get_dir realloc() failed");
+      break;
+    }
+    path = path2;
     if (getcwd(path, size) != NULL) {
       /* success, push the path to the Lua stack */
       lua_pushstring(L, path);
@@ -210,7 +315,8 @@ static int get_dir (lua_State *L) {
 /*
 ** Check if the given element on the stack is a file and returns it.
 */
-static FILE *check_file (lua_State *L, int idx, const char *funcname) {
+static FILE *check_file(lua_State * L, int idx, const char *funcname)
+{
 #if LUA_VERSION_NUM == 501
   FILE **fh = (FILE **) luaL_checkudata(L, idx, "FILE*");
   if (*fh == NULL) {
@@ -218,7 +324,7 @@ static FILE *check_file (lua_State *L, int idx, const char *funcname) {
     return 0;
   } else
     return *fh;
-#elif LUA_VERSION_NUM >= 502 && LUA_VERSION_NUM <= 503
+#elif LUA_VERSION_NUM >= 502 && LUA_VERSION_NUM <= 504
   luaL_Stream *fh = (luaL_Stream *) luaL_checkudata(L, idx, "FILE*");
   if (fh->closef == 0 || fh->f == NULL) {
     luaL_error(L, "%s: closed file", funcname);
@@ -234,26 +340,41 @@ static FILE *check_file (lua_State *L, int idx, const char *funcname) {
 /*
 **
 */
-static int _file_lock (lua_State *L, FILE *fh, const char *mode, const long start, long len, const char *funcname) {
+static int _file_lock(lua_State * L, FILE * fh, const char *mode,
+                      const long start, long len, const char *funcname)
+{
   int code;
 #ifdef _WIN32
   /* lkmode valid values are:
-           LK_LOCK    Locks the specified bytes. If the bytes cannot be locked, the program immediately tries again after 1 second. If, after 10 attempts, the bytes cannot be locked, the constant returns an error.
-           LK_NBLCK   Locks the specified bytes. If the bytes cannot be locked, the constant returns an error.
+     LK_LOCK    Locks the specified bytes. If the bytes cannot be locked,
+     the program immediately tries again after 1 second.
+     If, after 10 attempts, the bytes cannot be locked,
+     the constant returns an error.
+     LK_NBLCK   Locks the specified bytes. If the bytes cannot be locked,
+     the constant returns an error.
      LK_NBRLCK  Same as _LK_NBLCK.
      LK_RLCK    Same as _LK_LOCK.
-           LK_UNLCK   Unlocks the specified bytes, which must have been previously locked.
+     LK_UNLCK   Unlocks the specified bytes, which must have been
+     previously locked.
 
-           Regions should be locked only briefly and should be unlocked before closing a file or exiting the program.
+     Regions should be locked only briefly and should be unlocked
+     before closing a file or exiting the program.
 
      http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html/_crt__locking.asp
    */
   int lkmode;
   switch (*mode) {
-                case 'r': lkmode = LK_NBLCK; break;
-                case 'w': lkmode = LK_NBLCK; break;
-                case 'u': lkmode = LK_UNLCK; break;
-                default : return luaL_error (L, "%s: invalid mode", funcname);
+  case 'r':
+    lkmode = LK_NBLCK;
+    break;
+  case 'w':
+    lkmode = LK_NBLCK;
+    break;
+  case 'u':
+    lkmode = LK_UNLCK;
+    break;
+  default:
+    return luaL_error(L, "%s: invalid mode", funcname);
   }
   if (!len) {
     fseek(fh, 0L, SEEK_END);
@@ -268,10 +389,17 @@ static int _file_lock (lua_State *L, FILE *fh, const char *mode, const long star
 #else
   struct flock f;
   switch (*mode) {
-                case 'w': f.l_type = F_WRLCK; break;
-                case 'r': f.l_type = F_RDLCK; break;
-                case 'u': f.l_type = F_UNLCK; break;
-                default : return luaL_error (L, "%s: invalid mode", funcname);
+  case 'w':
+    f.l_type = F_WRLCK;
+    break;
+  case 'r':
+    f.l_type = F_RDLCK;
+    break;
+  case 'u':
+    f.l_type = F_UNLCK;
+    break;
+  default:
+    return luaL_error(L, "%s: invalid mode", funcname);
   }
   f.l_whence = SEEK_SET;
   f.l_start = (off_t) start;
@@ -285,35 +413,37 @@ static int _file_lock (lua_State *L, FILE *fh, const char *mode, const long star
 typedef struct lfs_Lock {
   HANDLE fd;
 } lfs_Lock;
-static int lfs_lock_dir(lua_State *L) {
-  size_t pathl; HANDLE fd;
+static int lfs_lock_dir(lua_State * L)
+{
+  size_t pathl;
+  HANDLE fd;
   lfs_Lock *lock;
   char *ln;
   const char *lockfile = "/lockfile.lfs";
   const char *path = luaL_checklstring(L, 1, &pathl);
   ln = (char *) malloc(pathl + strlen(lockfile) + 1);
   if (!ln) {
-    lua_pushnil(L); lua_pushstring(L, strerror(errno)); return 2;
-  }
-  strcpy(ln, path); strcat(ln, lockfile);
-  if((fd = CreateFile(ln, GENERIC_WRITE, 0, NULL, CREATE_NEW,
-                FILE_ATTRIBUTE_NORMAL | FILE_FLAG_DELETE_ON_CLOSE, NULL)) == INVALID_HANDLE_VALUE) {
-        int en = GetLastError();
-        free(ln); lua_pushnil(L);
-        if(en == ERROR_FILE_EXISTS || en == ERROR_SHARING_VIOLATION)
-                lua_pushstring(L, "File exists");
-        else
-                lua_pushstring(L, strerror(en));
+    lua_pushnil(L);
+    lua_pushstring(L, strerror(errno));
     return 2;
   }
+  strcpy(ln, path);
+  strcat(ln, lockfile);
+  fd = CreateFile(ln, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
+                  FILE_ATTRIBUTE_NORMAL | FILE_FLAG_DELETE_ON_CLOSE, NULL);
   free(ln);
+  if (fd == INVALID_HANDLE_VALUE) {
+    return lfs_win32_pusherror(L);
+  }
   lock = (lfs_Lock *) lua_newuserdata(L, sizeof(lfs_Lock));
   lock->fd = fd;
   luaL_getmetatable(L, LOCK_METATABLE);
   lua_setmetatable(L, -2);
   return 1;
 }
-static int lfs_unlock_dir(lua_State *L) {
+
+static int lfs_unlock_dir(lua_State * L)
+{
   lfs_Lock *lock = (lfs_Lock *) luaL_checkudata(L, 1, LOCK_METATABLE);
   if (lock->fd != INVALID_HANDLE_VALUE) {
     CloseHandle(lock->fd);
@@ -325,7 +455,8 @@ static int lfs_unlock_dir(lua_State *L) {
 typedef struct lfs_Lock {
   char *ln;
 } lfs_Lock;
-static int lfs_lock_dir(lua_State *L) {
+static int lfs_lock_dir(lua_State * L)
+{
   lfs_Lock *lock;
   size_t pathl;
   char *ln;
@@ -334,19 +465,26 @@ static int lfs_lock_dir(lua_State *L) {
   lock = (lfs_Lock *) lua_newuserdata(L, sizeof(lfs_Lock));
   ln = (char *) malloc(pathl + strlen(lockfile) + 1);
   if (!ln) {
-    lua_pushnil(L); lua_pushstring(L, strerror(errno)); return 2;
+    lua_pushnil(L);
+    lua_pushstring(L, strerror(errno));
+    return 2;
   }
-  strcpy(ln, path); strcat(ln, lockfile);
+  strcpy(ln, path);
+  strcat(ln, lockfile);
   if (symlink("lock", ln) == -1) {
-    free(ln); lua_pushnil(L);
-    lua_pushstring(L, strerror(errno)); return 2;
+    free(ln);
+    lua_pushnil(L);
+    lua_pushstring(L, strerror(errno));
+    return 2;
   }
   lock->ln = ln;
   luaL_getmetatable(L, LOCK_METATABLE);
   lua_setmetatable(L, -2);
   return 1;
 }
-static int lfs_unlock_dir(lua_State *L) {
+
+static int lfs_unlock_dir(lua_State * L)
+{
   lfs_Lock *lock = (lfs_Lock *) luaL_checkudata(L, 1, LOCK_METATABLE);
   if (lock->ln) {
     unlink(lock->ln);
@@ -357,7 +495,8 @@ static int lfs_unlock_dir(lua_State *L) {
 }
 #endif
 
-static int lfs_g_setmode (lua_State *L, FILE *f, int arg) {
+static int lfs_g_setmode(lua_State * L, FILE * f, int arg)
+{
   static const int mode[] = { _O_BINARY, _O_TEXT };
   static const char *const modenames[] = { "binary", "text", NULL };
   int op = luaL_checkoption(L, arg, NULL, modenames);
@@ -378,7 +517,8 @@ static int lfs_g_setmode (lua_State *L, FILE *f, int arg) {
   }
 }
 
-static int lfs_f_setmode(lua_State *L) {
+static int lfs_f_setmode(lua_State * L)
+{
   return lfs_g_setmode(L, check_file(L, 1, "setmode"), 2);
 }
 
@@ -389,7 +529,8 @@ static int lfs_f_setmode(lua_State *L) {
 ** @param #3 Number with start position (optional).
 ** @param #4 Number with length (optional).
 */
-static int file_lock (lua_State *L) {
+static int file_lock(lua_State * L)
+{
   FILE *fh = check_file(L, 1, "lock");
   const char *mode = luaL_checkstring(L, 2);
   const long start = (long) luaL_optinteger(L, 3, 0);
@@ -411,7 +552,8 @@ static int file_lock (lua_State *L) {
 ** @param #2 Number with start position (optional).
 ** @param #3 Number with length (optional).
 */
-static int file_unlock (lua_State *L) {
+static int file_unlock(lua_State * L)
+{
   FILE *fh = check_file(L, 1, "unlock");
   const long start = (long) luaL_optinteger(L, 2, 0);
   long len = (long) luaL_optinteger(L, 3, 0);
@@ -432,20 +574,40 @@ static int file_unlock (lua_State *L) {
 ** @param #2 Name of link.
 ** @param #3 True if link is symbolic (optional).
 */
-static int make_link (lua_State *L) {
-#ifndef _WIN32
+static int make_link(lua_State * L)
+{
   const char *oldpath = luaL_checkstring(L, 1);
   const char *newpath = luaL_checkstring(L, 2);
-  int res = (lua_toboolean(L,3) ? symlink : link)(oldpath, newpath);
-  if (res == -1) {
-    return pusherror(L, NULL);
-  } else {
-    lua_pushinteger(L, 0);
-    return 1;
-  }
+#ifndef _WIN32
+  return pushresult(L,
+                    (lua_toboolean(L, 3) ? symlink : link) (oldpath,
+                                                            newpath),
+                    NULL);
 #else
-  errno = ENOSYS; /* = "Function not implemented" */
-  return pushresult(L, -1, "make_link is not supported on Windows");
+  int symbolic = lua_toboolean(L, 3);
+  STAT_STRUCT oldpathinfo;
+  int is_dir = 0;
+  if (STAT_FUNC(oldpath, &oldpathinfo) == 0) {
+    is_dir = S_ISDIR(oldpathinfo.st_mode) != 0;
+  }
+  if (!symbolic && is_dir) {
+    lua_pushnil(L);
+    lua_pushstring(L,
+                   "hard links to directories are not supported on Windows");
+    return 2;
+  }
+
+  int result = symbolic ? CreateSymbolicLink(newpath, oldpath, is_dir)
+      : CreateHardLink(newpath, oldpath, NULL);
+
+  if (result) {
+    return pushresult(L, result, NULL);
+  } else {
+    lua_pushnil(L);
+    lua_pushstring(L, symbolic ? "make_link CreateSymbolicLink() failed"
+                   : "make_link CreateHardLink() failed");
+    return 2;
+  }
 #endif
 }
 
@@ -454,7 +616,8 @@ static int make_link (lua_State *L) {
 ** Creates a directory.
 ** @param #1 Directory path.
 */
-static int make_dir (lua_State *L) {
+static int make_dir(lua_State * L)
+{
   const char *path = luaL_checkstring(L, 1);
   return pushresult(L, lfs_mkdir(path), NULL);
 }
@@ -464,7 +627,8 @@ static int make_dir (lua_State *L) {
 ** Removes a directory.
 ** @param #1 Directory path.
 */
-static int remove_dir (lua_State *L) {
+static int remove_dir(lua_State * L)
+{
   const char *path = luaL_checkstring(L, 1);
   return pushresult(L, rmdir(path), NULL);
 }
@@ -473,7 +637,8 @@ static int remove_dir (lua_State *L) {
 /*
 ** Directory iterator
 */
-static int dir_iter (lua_State *L) {
+static int dir_iter(lua_State * L)
+{
 #ifdef _WIN32
   struct _finddata_t c_file;
 #else
@@ -520,7 +685,8 @@ static int dir_iter (lua_State *L) {
 /*
 ** Closes directory iterators
 */
-static int dir_close (lua_State *L) {
+static int dir_close(lua_State * L)
+{
   dir_data *d = (dir_data *) lua_touserdata(L, 1);
 #ifdef _WIN32
   if (!d->closed && d->hFile) {
@@ -539,7 +705,8 @@ static int dir_close (lua_State *L) {
 /*
 ** Factory of directory iterators
 */
-static int dir_iter_factory (lua_State *L) {
+static int dir_iter_factory(lua_State * L)
+{
   const char *path = luaL_checkstring(L, 1);
   dir_data *d;
   lua_pushcfunction(L, dir_iter);
@@ -558,14 +725,21 @@ static int dir_iter_factory (lua_State *L) {
   if (d->dir == NULL)
     luaL_error(L, "cannot open %s: %s", path, strerror(errno));
 #endif
+#if LUA_VERSION_NUM >= 504
+  lua_pushnil(L);
+  lua_pushvalue(L, -2);
+  return 4;
+#else
   return 2;
+#endif
 }
 
 
 /*
 ** Creates directory metatable.
 */
-static int dir_create_meta (lua_State *L) {
+static int dir_create_meta(lua_State * L)
+{
   luaL_newmetatable(L, DIR_METATABLE);
 
   /* Method table */
@@ -579,6 +753,11 @@ static int dir_create_meta (lua_State *L) {
   lua_setfield(L, -2, "__index");
   lua_pushcfunction(L, dir_close);
   lua_setfield(L, -2, "__gc");
+
+#if LUA_VERSION_NUM >= 504
+  lua_pushcfunction(L, dir_close);
+  lua_setfield(L, -2, "__close");
+#endif
   return 1;
 }
 
@@ -586,7 +765,8 @@ static int dir_create_meta (lua_State *L) {
 /*
 ** Creates lock metatable.
 */
-static int lock_create_meta (lua_State *L) {
+static int lock_create_meta(lua_State * L)
+{
   luaL_newmetatable(L, LOCK_METATABLE);
 
   /* Method table */
@@ -602,36 +782,15 @@ static int lock_create_meta (lua_State *L) {
 }
 
 
-#ifdef _WIN32
- #ifndef S_ISDIR
-   #define S_ISDIR(mode)  (mode&_S_IFDIR)
- #endif
- #ifndef S_ISREG
-   #define S_ISREG(mode)  (mode&_S_IFREG)
- #endif
- #ifndef S_ISLNK
-   #define S_ISLNK(mode)  (0)
- #endif
- #ifndef S_ISSOCK
-   #define S_ISSOCK(mode)  (0)
- #endif
- #ifndef S_ISFIFO
-   #define S_ISFIFO(mode)  (0)
- #endif
- #ifndef S_ISCHR
-   #define S_ISCHR(mode)  (mode&_S_IFCHR)
- #endif
- #ifndef S_ISBLK
-   #define S_ISBLK(mode)  (0)
- #endif
-#endif
 /*
 ** Convert the inode protection mode to a string.
 */
 #ifdef _WIN32
-static const char *mode2string (unsigned short mode) {
+static const char *mode2string(unsigned short mode)
+{
 #else
-static const char *mode2string (mode_t mode) {
+static const char *mode2string(mode_t mode)
+{
 #endif
   if (S_ISREG(mode))
     return "file";
@@ -658,7 +817,8 @@ static const char *mode2string (mode_t mode) {
 ** @param #2 Access time in seconds, current time is used if missing.
 ** @param #3 Modification time in seconds, access time is used if missing.
 */
-static int file_utime (lua_State *L) {
+static int file_utime(lua_State * L)
+{
   const char *file = luaL_checkstring(L, 1);
   struct utimbuf utb, *buf;
 
@@ -675,56 +835,81 @@ static int file_utime (lua_State *L) {
 
 
 /* inode protection mode */
-static void push_st_mode (lua_State *L, STAT_STRUCT *info) {
+static void push_st_mode(lua_State * L, STAT_STRUCT * info)
+{
   lua_pushstring(L, mode2string(info->st_mode));
 }
+
 /* device inode resides on */
-static void push_st_dev (lua_State *L, STAT_STRUCT *info) {
+static void push_st_dev(lua_State * L, STAT_STRUCT * info)
+{
   lua_pushinteger(L, (lua_Integer) info->st_dev);
 }
+
 /* inode's number */
-static void push_st_ino (lua_State *L, STAT_STRUCT *info) {
+static void push_st_ino(lua_State * L, STAT_STRUCT * info)
+{
   lua_pushinteger(L, (lua_Integer) info->st_ino);
 }
+
 /* number of hard links to the file */
-static void push_st_nlink (lua_State *L, STAT_STRUCT *info) {
+static void push_st_nlink(lua_State * L, STAT_STRUCT * info)
+{
   lua_pushinteger(L, (lua_Integer) info->st_nlink);
 }
+
 /* user-id of owner */
-static void push_st_uid (lua_State *L, STAT_STRUCT *info) {
+static void push_st_uid(lua_State * L, STAT_STRUCT * info)
+{
   lua_pushinteger(L, (lua_Integer) info->st_uid);
 }
+
 /* group-id of owner */
-static void push_st_gid (lua_State *L, STAT_STRUCT *info) {
+static void push_st_gid(lua_State * L, STAT_STRUCT * info)
+{
   lua_pushinteger(L, (lua_Integer) info->st_gid);
 }
+
 /* device type, for special file inode */
-static void push_st_rdev (lua_State *L, STAT_STRUCT *info) {
+static void push_st_rdev(lua_State * L, STAT_STRUCT * info)
+{
   lua_pushinteger(L, (lua_Integer) info->st_rdev);
 }
+
 /* time of last access */
-static void push_st_atime (lua_State *L, STAT_STRUCT *info) {
+static void push_st_atime(lua_State * L, STAT_STRUCT * info)
+{
   lua_pushinteger(L, (lua_Integer) info->st_atime);
 }
+
 /* time of last data modification */
-static void push_st_mtime (lua_State *L, STAT_STRUCT *info) {
+static void push_st_mtime(lua_State * L, STAT_STRUCT * info)
+{
   lua_pushinteger(L, (lua_Integer) info->st_mtime);
 }
+
 /* time of last file status change */
-static void push_st_ctime (lua_State *L, STAT_STRUCT *info) {
+static void push_st_ctime(lua_State * L, STAT_STRUCT * info)
+{
   lua_pushinteger(L, (lua_Integer) info->st_ctime);
 }
+
 /* file size, in bytes */
-static void push_st_size (lua_State *L, STAT_STRUCT *info) {
+static void push_st_size(lua_State * L, STAT_STRUCT * info)
+{
   lua_pushinteger(L, (lua_Integer) info->st_size);
 }
+
 #ifndef _WIN32
 /* blocks allocated for file */
-static void push_st_blocks (lua_State *L, STAT_STRUCT *info) {
+static void push_st_blocks(lua_State * L, STAT_STRUCT * info)
+{
   lua_pushinteger(L, (lua_Integer) info->st_blocks);
 }
+
 /* optimal file system I/O blocksize */
-static void push_st_blksize (lua_State *L, STAT_STRUCT *info) {
+static void push_st_blksize(lua_State * L, STAT_STRUCT * info)
+{
   lua_pushinteger(L, (lua_Integer) info->st_blksize);
 }
 #endif
@@ -734,38 +919,61 @@ static void push_st_blksize (lua_State *L, STAT_STRUCT *info) {
   */
 
 #ifdef _WIN32
-static const char *perm2string (unsigned short mode) {
+static const char *perm2string(unsigned short mode)
+{
   static char perms[10] = "---------";
   int i;
-  for (i=0;i<9;i++) perms[i]='-';
-  if (mode  & _S_IREAD)
-   { perms[0] = 'r'; perms[3] = 'r'; perms[6] = 'r'; }
-  if (mode  & _S_IWRITE)
-   { perms[1] = 'w'; perms[4] = 'w'; perms[7] = 'w'; }
-  if (mode  & _S_IEXEC)
-   { perms[2] = 'x'; perms[5] = 'x'; perms[8] = 'x'; }
+  for (i = 0; i < 9; i++)
+    perms[i] = '-';
+  if (mode & _S_IREAD) {
+    perms[0] = 'r';
+    perms[3] = 'r';
+    perms[6] = 'r';
+  }
+  if (mode & _S_IWRITE) {
+    perms[1] = 'w';
+    perms[4] = 'w';
+    perms[7] = 'w';
+  }
+  if (mode & _S_IEXEC) {
+    perms[2] = 'x';
+    perms[5] = 'x';
+    perms[8] = 'x';
+  }
   return perms;
 }
 #else
-static const char *perm2string (mode_t mode) {
+static const char *perm2string(mode_t mode)
+{
   static char perms[10] = "---------";
   int i;
-  for (i=0;i<9;i++) perms[i]='-';
-  if (mode & S_IRUSR) perms[0] = 'r';
-  if (mode & S_IWUSR) perms[1] = 'w';
-  if (mode & S_IXUSR) perms[2] = 'x';
-  if (mode & S_IRGRP) perms[3] = 'r';
-  if (mode & S_IWGRP) perms[4] = 'w';
-  if (mode & S_IXGRP) perms[5] = 'x';
-  if (mode & S_IROTH) perms[6] = 'r';
-  if (mode & S_IWOTH) perms[7] = 'w';
-  if (mode & S_IXOTH) perms[8] = 'x';
+  for (i = 0; i < 9; i++)
+    perms[i] = '-';
+  if (mode & S_IRUSR)
+    perms[0] = 'r';
+  if (mode & S_IWUSR)
+    perms[1] = 'w';
+  if (mode & S_IXUSR)
+    perms[2] = 'x';
+  if (mode & S_IRGRP)
+    perms[3] = 'r';
+  if (mode & S_IWGRP)
+    perms[4] = 'w';
+  if (mode & S_IXGRP)
+    perms[5] = 'x';
+  if (mode & S_IROTH)
+    perms[6] = 'r';
+  if (mode & S_IWOTH)
+    perms[7] = 'w';
+  if (mode & S_IXOTH)
+    perms[8] = 'x';
   return perms;
 }
 #endif
 
 /* permssions string */
-static void push_st_perm (lua_State *L, STAT_STRUCT *info) {
+static void push_st_perm(lua_State * L, STAT_STRUCT * info)
+{
   lua_pushstring(L, perm2string(info->st_mode));
 }
 
@@ -799,14 +1007,17 @@ struct _stat_members members[] = {
 /*
 ** Get file or symbolic link information
 */
-static int _file_info_ (lua_State *L, int (*st)(const char*, STAT_STRUCT*)) {
+static int _file_info_(lua_State * L,
+                       int (*st)(const char *, STAT_STRUCT *))
+{
   STAT_STRUCT info;
   const char *file = luaL_checkstring(L, 1);
   int i;
 
   if (st(file, &info)) {
     lua_pushnil(L);
-                lua_pushfstring(L, "cannot obtain information from file '%s': %s", file, strerror(errno));
+    lua_pushfstring(L, "cannot obtain information from file '%s': %s",
+                    file, strerror(errno));
     lua_pushinteger(L, errno);
     return 3;
   }
@@ -840,7 +1051,8 @@ static int _file_info_ (lua_State *L, int (*st)(const char*, STAT_STRUCT*)) {
 /*
 ** Get file information using stat.
 */
-static int file_info (lua_State *L) {
+static int file_info(lua_State * L)
+{
   return _file_info_(L, STAT_FUNC);
 }
 
@@ -851,39 +1063,63 @@ static int file_info (lua_State *L) {
 ** Returns 1 if successful (with the target on top of the stack),
 ** 0 on failure (with stack unchanged, and errno set).
 */
-static int push_link_target(lua_State *L) {
-#ifdef _WIN32
-        errno = ENOSYS;
-        return 0;
-#else
+static int push_link_target(lua_State * L)
+{
   const char *file = luaL_checkstring(L, 1);
+#ifdef _WIN32
+  HANDLE h = CreateFile(file, GENERIC_READ,
+                        FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
+                        OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+  if (h == INVALID_HANDLE_VALUE) {
+    return lfs_win32_pusherror(L);
+  }
+#endif
   char *target = NULL;
   int tsize, size = 256;        /* size = initial buffer capacity */
-        while (1) {
-            target = realloc(target, size);
-            if (!target) /* failed to allocate */
-                return 0;
-            tsize = readlink(file, target, size);
-            if (tsize < 0) { /* a readlink() error occurred */
-                free(target);
-                return 0;
-            }
-            if (tsize < size)
+  int ok = 0;
+  while (!ok) {
+    char *target2 = realloc(target, size);
+    if (!target2) {             /* failed to allocate */
       break;
+    }
+    target = target2;
+#ifdef _WIN32
+    tsize = GetFinalPathNameByHandle(h, target, size, FILE_NAME_OPENED);
+#else
+    tsize = readlink(file, target, size);
+#endif
+    if (tsize < 0) {            /* a readlink() error occurred */
+      break;
+    }
+    if (tsize < size) {
+#ifdef _WIN32
+      if (tsize > 4 && strncmp(target, "\\\\?\\", 4) == 0) {
+        memmove_s(target, tsize - 3, target + 4, tsize - 3);
+        tsize -= 4;
+      }
+#endif
+      ok = 1;
+      break;
+    }
     /* possibly truncated readlink() result, double size and retry */
     size *= 2;
   }
+  if (ok) {
     target[tsize] = '\0';
     lua_pushlstring(L, target, tsize);
-        free(target);
-        return 1;
+  }
+#ifdef _WIN32
+  CloseHandle(h);
 #endif
+  free(target);
+  return ok;
 }
 
 /*
 ** Get symbolic link information using lstat.
 */
-static int link_info (lua_State *L) {
+static int link_info(lua_State * L)
+{
   int ret;
   if (lua_isstring(L, 2) && (strcmp(lua_tostring(L, 2), "target") == 0)) {
     int ok = push_link_target(L);
@@ -903,10 +1139,14 @@ static int link_info (lua_State *L) {
 /*
 ** Assumes the table is on top of the stack.
 */
-static void set_info (lua_State *L) {
+static void set_info(lua_State * L)
+{
   lua_pushliteral(L, "Copyright (C) 2003-2017 Kepler Project");
   lua_setfield(L, -2, "_COPYRIGHT");
-  lua_pushliteral(L, "LuaFileSystem is a Lua library developed to complement the set of functions related to file systems offered by the standard Lua distribution");
+  lua_pushliteral(L,
+                  "LuaFileSystem is a Lua library developed to complement "
+                  "the set of functions related to file systems offered by "
+                  "the standard Lua distribution");
   lua_setfield(L, -2, "_DESCRIPTION");
   lua_pushliteral(L, "LuaFileSystem " LFS_VERSION);
   lua_setfield(L, -2, "_VERSION");
@@ -930,7 +1170,8 @@ static const struct luaL_Reg fslib[] = {
   { NULL, NULL },
 };
 
-LFS_EXPORT int luaopen_lfs (lua_State *L) {
+LFS_EXPORT int luaopen_lfs(lua_State * L)
+{
   dir_create_meta(L);
   lock_create_meta(L);
   new_lib(L, fslib);

src/lfs.def

@@ -1,4 +1,4 @@
 LIBRARY lfs.dll
-VERSION 1.6
+VERSION 1.8
 EXPORTS
 luaopen_lfs

src/lfs.h

@@ -1,6 +1,7 @@
 /*
 ** LuaFileSystem
-** Copyright Kepler Project 2003 - 2017 (http://keplerproject.github.io/luafilesystem)
+** Copyright Kepler Project 2003 - 2020
+** (http://keplerproject.github.io/luafilesystem)
 */
 
 /* Define 'chdir' for systems that do not implement it */

tests/test.lua

@@ -4,6 +4,8 @@ local tmp = "/tmp"
 local sep = string.match (package.config, "[^\n]+")
 local upper = ".."
 
+local is_unix = package.config:sub(1,1) == "/"
+
 local lfs = require"lfs"
 print (lfs._VERSION)
 
@@ -60,6 +62,8 @@ if not attrib then
         error ("could not get attributes of file `"..tmpdir.."':\n"..errmsg)
 end
 local f = io.open(tmpfile, "w")
+local data = "hello, file!"
+f:write(data)
 f:close()
 
 io.write(".")
@@ -87,14 +91,42 @@ assert (new_att.modification == testdate1, "could not set modification time")
 io.write(".")
 io.flush()
 
--- Checking link (does not work on Windows)
 if lfs.link (tmpfile, "_a_link_for_test_", true) then
   assert (lfs.attributes"_a_link_for_test_".mode == "file")
   assert (lfs.symlinkattributes"_a_link_for_test_".mode == "link")
   assert (lfs.symlinkattributes"_a_link_for_test_".target == tmpfile)
   assert (lfs.symlinkattributes("_a_link_for_test_", "target") == tmpfile)
+  
+  assert (lfs.symlinkattributes(tmpfile).mode == "file")
+  
   assert (lfs.link (tmpfile, "_a_hard_link_for_test_"))
+  assert (lfs.symlinkattributes"_a_hard_link_for_test_".mode == "file")
+  
+  local fd = io.open(tmpfile)
+  assert(fd:read("*a") == data)
+  fd:close()
+
+  fd = io.open("_a_link_for_test_")
+  assert(fd:read("*a") == data)
+  fd:close()
+
+  fd = io.open("_a_hard_link_for_test_")
+  assert(fd:read("*a") == data)
+  fd:close()
+
+  fd = io.open("_a_hard_link_for_test_", "w+")
+  local data2 = "write in hard link"
+  fd:write(data2)
+  fd:close()
+
+  fd = io.open(tmpfile)
+  assert(fd:read("*a") == data2)
+  fd:close()
+
+  if is_unix then
     assert (lfs.attributes (tmpfile, "nlink") == 2)
+  end
+
   assert (os.remove"_a_link_for_test_")
   assert (os.remove"_a_hard_link_for_test_")
 end