accept high-precision timestamps in lfs.touch

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

.travis.yml

@@ -1,16 +1,34 @@
-language: c
-
+language: generic
 sudo: false
 
-env:
-  - LUA="lua 5.1"
-  - LUA="lua 5.2"
-  - LUA="lua 5.3"
-  - LUA="luajit 2.0"
-  - LUA="luajit 2.1"
+jobs:
+  - os: linux
+    env:
+    - LUA="lua 5.1"
+      LIBFLAG="-shared --coverage"
+  - os: linux
+    env:
+    - LUA="lua 5.2"
+      LIBFLAG="-shared --coverage"
+  - os: linux
+    env:
+    - LUA="lua 5.3"
+      LIBFLAG="-shared --coverage"
+  - os: linux
+    env:
+    - LUA="lua 5.4"
+      LIBFLAG="-shared --coverage"
+  - os: linux
+    env:
+    - LUA="luajit 2.1"
+      LIBFLAG="-shared --coverage"
+  - os: osx
+    env:
+    - LUA="lua 5.1"
+      LIBFLAG="-bundle -undefined dynamic_lookup -all_load --coverage"
 
 before_install:
-  - pip install --user cpp-coveralls hererocks
+  - pip install cpp-coveralls hererocks
   - hererocks env --$LUA --luarocks latest
   - export PATH="$PWD/env/bin:$PATH"
   - luarocks install lua-path 
@@ -20,7 +38,7 @@ 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="$LIBFLAG"
 
 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="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

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-1.7.0-2.rockspec

@@ -1,28 +0,0 @@
-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

@@ -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.def

@@ -1,4 +1,4 @@
 LIBRARY lfs.dll
-VERSION 1.7
+VERSION 1.8
 EXPORTS
 luaopen_lfs

src/lfs.h

@@ -1,33 +1,34 @@
 /*
 ** 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 */
 #ifdef NO_CHDIR
-  #define chdir(p)	(-1)
-  #define chdir_error	"Function 'chdir' not provided by system"
+#define chdir(p)	(-1)
+#define chdir_error	"Function 'chdir' not provided by system"
 #else
-  #define chdir_error	strerror(errno)
+#define chdir_error	strerror(errno)
 #endif
 
 #ifdef _WIN32
-  #define chdir(p) (_chdir(p))
-  #define getcwd(d, s) (_getcwd(d, s))
-  #define rmdir(p) (_rmdir(p))
-  #define LFS_EXPORT __declspec (dllexport)
-  #ifndef fileno
-    #define fileno(f) (_fileno(f))
-  #endif
+#define chdir(p) (_chdir(p))
+#define getcwd(d, s) (_getcwd(d, s))
+#define rmdir(p) (_rmdir(p))
+#define LFS_EXPORT __declspec (dllexport)
+#ifndef fileno
+#define fileno(f) (_fileno(f))
+#endif
 #else
-  #define LFS_EXPORT
+#define LFS_EXPORT
 #endif
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-LFS_EXPORT  int luaopen_lfs (lua_State *L);
+  LFS_EXPORT int luaopen_lfs(lua_State * L);
 
 #ifdef __cplusplus
 }

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(".")
@@ -75,6 +79,19 @@ assert (new_att.modification == testdate, "could not set modification time")
 io.write(".")
 io.flush()
 
+-- High-precision attributes
+local testdate_hi = os.time({ year = 2021, day = 1, month = 23, hour=0}) + 0.5555
+assert (lfs.touch (tmpfile, testdate_hi))
+local new_att_hi = assert (lfs.attributes (tmpfile))
+if new_att_hi.modification ~= testdate_hi then
+    io.write("\n")
+    io.write("warning: no support for high-precision timestamps\n")
+    io.flush()
+end
+
+io.write(".")
+io.flush()
+
 -- Change access and modification time
 local testdate1 = os.time({ year = 2007, day = 10, month = 2, hour=0})
 local testdate2 = os.time({ year = 2007, day = 11, month = 2, hour=0})
@@ -87,14 +104,42 @@ 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.attributes (tmpfile, "nlink") == 2)
+  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
@@ -119,8 +164,8 @@ io.flush()
 -- Restore access time to current value
 assert (lfs.touch (tmpfile, attrib.access, attrib.modification))
 new_att = assert (lfs.attributes (tmpfile))
-assert (new_att.access == attrib.access)
-assert (new_att.modification == attrib.modification)
+assert (new_att.access - attrib.access < 1)
+assert (new_att.modification - attrib.modification < 1)
 
 io.write(".")
 io.flush()
@@ -162,7 +207,7 @@ io.write(".")
 io.flush()
 
 -- Stressing directory iterator
-count = 0
+local count = 0
 for i = 1, 4000 do
         for file in lfs.dir (tmp) do
                 count = count + 1