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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
*/
/***
Filename matching.
Functions and constants for matching known filenames against shell-style
pattern strings.
@see posix.glob
@module posix.fnmatch
*/
#include <fnmatch.h>
#include "_helpers.c"
/***
Match a filename against a shell pattern.
@function fnmatch
@string pat shell pattern
@string name filename
@int[opt=0] flags optional
@treturn[1] int `0`, if successful
@treturn[2] int `FNM_NOMATCH`
@treturn[3] int some other non-zero integer if fnmatch itself failed
@see fnmatch(3)
*/
static int
Pfnmatch(lua_State *L)
{
const char *pattern = luaL_checkstring(L, 1);
const char *string = luaL_checkstring(L, 2);
int flags = optint(L, 3, 0);
int res;
checknargs(L, 3);
return pushintegerresult(fnmatch(pattern, string, flags));
}
static const luaL_Reg posix_fnmatch_fns[] =
{
LPOSIX_FUNC( Pfnmatch ),
{NULL, NULL}
};
/***
Constants.
@section constants
*/
/***
Fnmatch constants.
Any constants not available in the underlying system will be `nil` valued.
@table posix.fnmatch
@int FNM_PATHNAME slashes in pathname must be matched by slash in pattern
@int FNM_NOESCAPE disable backslash escaping
@int FNM_NOMATCH match failed
@int FNM_PERIOD periods in pathname must be matched by period in pattern
@usage
-- Print fnmatch constants supported on this host.
for name, value in pairs (require "posix.fnmatch") do
if type (value) == "number" then
print (name, value)
end
end
*/
LUALIB_API int
luaopen_posix_fnmatch(lua_State *L)
{
luaL_newlib(L, posix_fnmatch_fns);
lua_pushstring(L, LPOSIX_VERSION_STRING("fnmatch"));
lua_setfield(L, -2, "version");
/* from fnmatch.h */
LPOSIX_CONST( FNM_PATHNAME );
LPOSIX_CONST( FNM_NOESCAPE );
LPOSIX_CONST( FNM_NOMATCH );
LPOSIX_CONST( FNM_PERIOD );
return 1;
}
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