Fix memory leak in case of realloc failure.

Fixes #101.

.travis.yml

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

Makefile

@@ -12,7 +12,7 @@ OBJS= src/$T.o
 lib: src/lfs.so
 
 src/lfs.so: $(OBJS)
-	MACOSX_DEPLOYMENT_TARGET=$(MACOSX_DEPLOYMENT_TARGET); export MACOSX_DEPLOYMENT_TARGET; $(CC) $(LIB_OPTION) -o src/lfs.so $(OBJS)
+	MACOSX_DEPLOYMENT_TARGET="10.3"; export MACOSX_DEPLOYMENT_TARGET; $(CC) $(LIB_OPTION) -o src/lfs.so $(OBJS)
 
 test: lib
 	LUA_CPATH=./src/?.so lua tests/test.lua

README.md

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

appveyor.yml

@@ -11,6 +11,7 @@ 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
@@ -29,7 +30,7 @@ before_build:
 - echo "Installing external deps"
 
 build_script:
-- luarocks make
+- luarocks make rockspecs/luafilesystem-cvs-3.rockspec
 
 before_test:
 

config

@@ -3,25 +3,21 @@
 # Default installation prefix
 PREFIX=/usr/local
 
-LUA_VERSION = 5.1
-
 # System's libraries directory (where binary libraries are installed)
-LUA_LIBDIR= $(PREFIX)/lib/lua/$(LUA_VERSION)
+LUA_LIBDIR= $(PREFIX)/lib/lua/5.1
 
 # Lua includes directory
-LUA_INC += -I$(PREFIX)/include
-LUA_INC += -I/usr/include/lua$(LUA_VERSION) -I/usr/include/lua/$(LUA_VERSION)
+LUA_INC= $(PREFIX)/include
 
 # OS dependent
 LIB_OPTION= -shared #for Linux
 #LIB_OPTION= -bundle -undefined dynamic_lookup #for MacOS X
 
-# Minimum runtime OS version on macOS
-MACOSX_DEPLOYMENT_TARGET= 10.5
+LIBNAME= $T.so.$V
 
 # Compilation directives
 WARN= -O2 -Wall -fPIC -W -Waggregate-return -Wcast-align -Wmissing-prototypes -Wnested-externs -Wshadow -Wwrite-strings -pedantic
-INCS= $(LUA_INC)
+INCS= -I$(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:\lua$(LUA_VERSION)"
+LUA_LIBDIR= "c:\lua5.1"
 
 # Lua includes directory
-LUA_INC= "c:\lua$(LUA_VERSION)\include"
+LUA_INC= "c:\lua5.1\include"
 
 # Lua library
-LUA_LIB= "c:\lua$(LUA_VERSION)\lua$(LUA_VERSION).lib"
+LUA_LIB= "c:\lua5.1\lua5.1.lib"
+
+LIBNAME= $T.dll
 
 # 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 1.8.0. It works with Lua 5.1, 5.2, 5.3 and 5.4, and it runs on various
+<p>Current version is 1.7.0. It works with Lua 5.1, 5.2 and 5.3, and it runs on various
 flavors of Unix (including Linux, BSDs, macOS) and Windows.</p>
 
 <h2><a name="download"></a>Download</h2>
@@ -86,15 +86,6 @@ $ 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 - 2020 Kepler Project.</p>
+<p>Copyright &copy; 2003 - 2017 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 [, request_name | result_table])</code></strong></dt>
+    <dt><a name="attributes"></a><strong><code>lfs.attributes (filepath [, aname | atable])</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)[request_name]</code>, but the table is not created
+    <code>lfs.attributes(filepath)[aname]</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 (<code>result_table</code>) is filled with attributes and returned instead of a new table.
+    if a table is passed as the second argument, it 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 [, request_name])</code></strong></dt>
+    <dt><a name="symlinkattributes"></a><strong><code>lfs.symlinkattributes (filepath [, aname])</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

rockspecs/luafilesystem-1.3.0-1.rockspec

@@ -0,0 +1,27 @@
+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

@@ -0,0 +1,27 @@
+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

@@ -0,0 +1,43 @@
+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

@@ -0,0 +1,43 @@
+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

@@ -0,0 +1,43 @@
+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

@@ -0,0 +1,26 @@
+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

@@ -0,0 +1,27 @@
+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

@@ -0,0 +1,27 @@
+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

@@ -0,0 +1,27 @@
+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

@@ -0,0 +1,27 @@
+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

@@ -0,0 +1,28 @@
+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-1.7.0-1.rockspec

@@ -1,7 +1,8 @@
-package = "luafilesystem"
-version = "scm-1"
+package = "LuaFileSystem"
+version = "1.7.0-1"
 source = {
-   url = "git://github.com/keplerproject/luafilesystem"
+   url = "git://github.com/keplerproject/luafilesystem",
+   tag = "v1_7_0",
 }
 description = {
    summary = "File System Library for the Lua Programming Language",
@@ -11,7 +12,7 @@ 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"
@@ -22,7 +23,6 @@ build = {
       lfs = "src/lfs.c"
    },
    copy_directories = {
-      "doc",
-      "tests"
+      "doc", "tests"
    }
 }

rockspecs/luafilesystem-1.7.0-2.rockspec

@@ -0,0 +1,28 @@
+package = "LuaFileSystem"
+version = "1.7.0-2"
+source = {
+   url = "git://github.com/keplerproject/luafilesystem",
+   tag = "v1_7_0_2",
+}
+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

@@ -0,0 +1,44 @@
+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

@@ -0,0 +1,26 @@
+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

@@ -0,0 +1,27 @@
+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

@@ -1,7 +1,6 @@
 /*
 ** LuaFileSystem
-** Copyright Kepler Project 2003 - 2020
-** (http://keplerproject.github.io/luafilesystem)
+** Copyright Kepler Project 2003 - 2017 (http://keplerproject.github.io/luafilesystem)
 **
 ** File system manipulation library.
 ** This library offers these functions:
@@ -30,10 +29,6 @@
 #endif
 #endif
 
-#ifdef _WIN32
-#define _WIN32_WINNT 0x600
-#endif
-
 #ifndef LFS_DO_NOT_USE_LARGE_FILE
 #define _LARGEFILE64_SOURCE
 #endif
@@ -46,39 +41,26 @@
 #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>
@@ -87,10 +69,10 @@
 
 #include "lfs.h"
 
-#define LFS_VERSION "1.8.0"
+#define LFS_VERSION "1.7.0"
 #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
@@ -123,7 +105,6 @@ 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
@@ -131,45 +112,15 @@ 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 lfs_win32_lstat
-
+#define LSTAT_FUNC STAT_FUNC
 #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
@@ -179,55 +130,6 @@ 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
 */
@@ -242,8 +144,7 @@ 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 {
@@ -256,8 +157,7 @@ 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);
@@ -275,21 +175,19 @@ 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) {
         char* path2 = realloc(path, size);
-    if (!path2) {               /* failed to allocate */
+        if (!path2) /* failed to allocate */ {
             result = pusherror(L, "get_dir realloc() failed");
             break;
         }
@@ -315,8 +213,7 @@ 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) {
@@ -324,7 +221,7 @@ 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 <= 504
+#elif LUA_VERSION_NUM >= 502 && LUA_VERSION_NUM <= 503
         luaL_Stream *fh = (luaL_Stream *)luaL_checkudata (L, idx, "FILE*");
         if (fh->closef == 0 || fh->f == NULL) {
                 luaL_error (L, "%s: closed file", funcname);
@@ -340,41 +237,26 @@ 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);
@@ -389,17 +271,10 @@ static int _file_lock(lua_State * L, FILE * fh, const char *mode,
 #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;
@@ -413,37 +288,35 @@ static int _file_lock(lua_State * L, FILE * fh, const char *mode,
 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));
+    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));
         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);
@@ -455,8 +328,7 @@ 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;
@@ -465,26 +337,19 @@ 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);
@@ -495,8 +360,7 @@ 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);
@@ -517,8 +381,7 @@ 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);
 }
 
@@ -529,8 +392,7 @@ 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);
@@ -552,8 +414,7 @@ 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);
@@ -574,40 +435,20 @@ 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)
-{
+static int make_link (lua_State *L) {
+#ifndef _WIN32
   const char *oldpath = luaL_checkstring(L, 1);
   const char *newpath = luaL_checkstring(L, 2);
-#ifndef _WIN32
-  return pushresult(L,
-                    (lua_toboolean(L, 3) ? symlink : link) (oldpath,
-                                                            newpath),
-                    NULL);
-#else
-  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);
+  int res = (lua_toboolean(L,3) ? symlink : link)(oldpath, newpath);
+  if (res == -1) {
+    return pusherror(L, NULL);
   } else {
-    lua_pushnil(L);
-    lua_pushstring(L, symbolic ? "make_link CreateSymbolicLink() failed"
-                   : "make_link CreateHardLink() failed");
-    return 2;
+    lua_pushinteger(L, 0);
+    return 1;
   }
+#else
+  errno = ENOSYS; /* = "Function not implemented" */
+  return pushresult(L, -1, "make_link is not supported on Windows");
 #endif
 }
 
@@ -616,8 +457,7 @@ 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);
 }
@@ -627,8 +467,7 @@ 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);
 }
@@ -637,8 +476,7 @@ 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
@@ -685,8 +523,7 @@ 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) {
@@ -705,8 +542,7 @@ 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);
@@ -725,21 +561,14 @@ 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 */
@@ -753,11 +582,6 @@ 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;
 }
 
@@ -765,8 +589,7 @@ 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 */
@@ -782,15 +605,36 @@ 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";
@@ -817,8 +661,7 @@ 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;
 
@@ -835,81 +678,56 @@ 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
@@ -919,61 +737,38 @@ 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));
 }
 
@@ -1007,17 +802,14 @@ 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;
         }
@@ -1051,8 +843,7 @@ static int _file_info_(lua_State * L,
 /*
 ** 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);
 }
 
@@ -1063,63 +854,42 @@ 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)
-{
-  const char *file = luaL_checkstring(L, 1);
+static int push_link_target(lua_State *L) {
 #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
+        errno = ENOSYS;
+        return 0;
+#else
+        const char *file = luaL_checkstring(L, 1);
         char *target = NULL;
         int tsize, size = 256; /* size = initial buffer capacity */
-  int ok = 0;
-  while (!ok) {
+        while (1) {
             char* target2 = realloc(target, size);
             if (!target2) { /* failed to allocate */
-      break;
+                free(target);
+                return 0;
             }
             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 */
+                free(target);
+                return 0;
+            }
+            if (tsize < size)
                 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);
-  }
-#ifdef _WIN32
-  CloseHandle(h);
-#endif
         free(target);
-  return ok;
+        return 1;
+#endif
 }
 
 /*
 ** 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);
@@ -1139,14 +909,10 @@ 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");
@@ -1170,8 +936,7 @@ 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 1.8
+VERSION 1.7
 EXPORTS
 luaopen_lfs

src/lfs.h

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

tests/test.lua

@@ -4,8 +4,6 @@ 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)
 
@@ -62,8 +60,6 @@ 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(".")
@@ -91,42 +87,14 @@ 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