/*

 * POSIX library for Lua 5.1, 5.2 & 5.3.

 * (c) Gary V. Vaughan <gary@vaughan.pe>, 2013-2015

 * (c) Reuben Thomas <rrt@sc3d.org> 2010-2013

 * (c) Natanael Copa <natanael.copa@gmail.com> 2008-2010

 * Clean up and bug fixes by Leo Razoumov <slonik.az@gmail.com> 2006-10-11

 * Luiz Henrique de Figueiredo <lhf@tecgraf.puc-rio.br> 07 Apr 2006 23:17:49

 * Based on original by Claudio Terra for Lua 3.x.

 * With contributions by Roberto Ierusalimschy.

 * With documentation from Steve Donovan 2012

 */

/***

 Generate pathnames matching a shell-style pattern.

 Functions generating a table of filenames that match a shell-style

 pattern string.

@module posix.glob

*/

#include <config.h>

#include <glob.h>

#include "_helpers.c"

/***

Find all files in this directory matching a shell pattern.

@function glob

@string[opt="*"] pat shell glob pattern

@treturn table matching filenames

@see glob(3)

@see glob.lua

*/

static int

Pglob(lua_State *L)

{

	const char *pattern = optstring(L, 1, "*");

	glob_t globres;

	checknargs(L, 1);

	if (glob(pattern, 0, NULL, &globres))

		return pusherror(L, pattern);

	else

	{

		unsigned int i;

		lua_newtable(L);

		for (i=1; i<=globres.gl_pathc; i++)

		{

			lua_pushstring(L, globres.gl_pathv[i-1]);

			lua_rawseti(L, -2, i);

		}

		globfree(&globres);

		return 1;

	}

}

static const luaL_Reg posix_glob_fns[] =

{

	LPOSIX_FUNC( Pglob		),

	{NULL, NULL}

};

LUALIB_API int

luaopen_posix_glob(lua_State *L)

{

	luaL_register(L, "posix.glob", posix_glob_fns);

	lua_pushliteral(L, "posix.glob for " LUA_VERSION " / " PACKAGE_STRING);

	lua_setfield(L, -2, "version");

	return 1;

}