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/*
* POSIX library for Lua 5.1, 5.2, 5.3 & 5.4.
* Copyright (C) 2013-2025 Gary V. Vaughan
* Copyright (C) 2010-2013 Reuben Thomas <rrt@sc3d.org>
* Copyright (C) 2008-2010 Natanael Copa <natanael.copa@gmail.com>
* 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 <glob.h>
#include "_helpers.c"
/***
Find all files in this directory matching a shell pattern.
@function glob
@string[opt="*"] pat shell glob pattern
@param flags bitwise inclusive OR of zero or more of `GLOB_ERR`, `GLOB_MARK`
and `GLOB_NOCHECK`
@treturn[1] table matching filenames, if successful
@treturn[2] nil
@treturn[2] one of `GLOB_ABORTED`, `GLOB_NOMATCH` or `GLOB_NOSPACE`
@see glob(3)
@see glob.lua
*/
static int
Pglob(lua_State *L)
{
const char *pattern = optstring(L, 1, "*");
int flags = checkint(L, 2);
int globret = 0;
glob_t globres;
checknargs(L, 2);
if ((globret = glob(pattern, flags, NULL, &globres)) != 0)
{
lua_pushnil(L);
lua_pushinteger(L, globret);
return 2;
}
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}
};
/***
Constants.
@section constants
*/
/***
Glob constants.
@table posix.glob
@int GLOB_MARK append slashes to matches that are directories.
@int GLOB_ERR instead of ignoring non-readable directories, return GLOB_ABORTED
@int GLOB_ABORTED encountered a non-readable directory
@int GLOB_NOCHECK return the original pattern if there are no matches
@int GLOB_NOMATCH pattern does not match any existing pathname
@int GLOB_NOSPACE not enough memory to continue
@usage
-- Print glob constants supported on this host.
for name, value in pairs (require "posix.glob") do
if type (value) == "number" then
print (name, value)
end
end
*/
LUALIB_API int
luaopen_posix_glob(lua_State *L)
{
luaL_newlib(L, posix_glob_fns);
lua_pushstring(L, LPOSIX_VERSION_STRING("glob"));
lua_setfield(L, -2, "version");
LPOSIX_CONST( GLOB_ERR );
LPOSIX_CONST( GLOB_MARK );
LPOSIX_CONST( GLOB_NOCHECK );
LPOSIX_CONST( GLOB_ABORTED );
LPOSIX_CONST( GLOB_NOMATCH );
LPOSIX_CONST( GLOB_NOSPACE );
return 1;
}
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