1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1985-2010 AT&T Intellectual Property          *
5*                      and is licensed under the                       *
6*                  Common Public License, Version 1.0                  *
7*                    by AT&T Intellectual Property                     *
8*                                                                      *
9*                A copy of the License is available at                 *
10*            http://www.opensource.org/licenses/cpl1.0.txt             *
11*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12*                                                                      *
13*              Information and Software Systems Research               *
14*                            AT&T Research                             *
15*                           Florham Park NJ                            *
16*                                                                      *
17*                 Glenn Fowler <gsf@research.att.com>                  *
18*                  David Korn <dgk@research.att.com>                   *
19*                   Phong Vo <kpv@research.att.com>                    *
20*                                                                      *
21***********************************************************************/
22#pragma prototyped
23/*
24 * fnmatch implementation
25 */
26
27#include <ast_lib.h>
28
29#include <ast.h>
30#include <regex.h>
31#include <fnmatch.h>
32
33typedef struct
34{
35	int	fnm;		/* fnmatch flag			*/
36	int	reg;		/* regex flag			*/
37} Map_t;
38
39static const Map_t	map[] =
40{
41	FNM_AUGMENTED,	REG_AUGMENTED,
42	FNM_ICASE,	REG_ICASE,
43	FNM_NOESCAPE,	REG_SHELL_ESCAPED,
44	FNM_PATHNAME,	REG_SHELL_PATH,
45	FNM_PERIOD,	REG_SHELL_DOT,
46};
47
48#if defined(__EXPORT__)
49#define extern	__EXPORT__
50#endif
51
52extern int
53fnmatch(const char* pattern, const char* subject, register int flags)
54{
55	register int		reflags = REG_SHELL|REG_LEFT;
56	register const Map_t*	mp;
57	regex_t			re;
58	regmatch_t		match;
59
60	for (mp = map; mp < &map[elementsof(map)]; mp++)
61		if (flags & mp->fnm)
62			reflags |= mp->reg;
63	if (flags & FNM_LEADING_DIR)
64	{
65		if (!(reflags = regcomp(&re, pattern, reflags)))
66		{
67			reflags = regexec(&re, subject, 1, &match, 0);
68			regfree(&re);
69			if (!reflags && (reflags = subject[match.rm_eo]))
70				reflags = reflags == '/' ? 0 : FNM_NOMATCH;
71		}
72	}
73	else if (!(reflags = regcomp(&re, pattern, reflags|REG_RIGHT)))
74	{
75		reflags = regexec(&re, subject, 0, NiL, 0);
76		regfree(&re);
77	}
78	return reflags;
79}
80