mirror of
https://github.com/coreutils/coreutils.git
synced 2024-11-25 19:04:09 +08:00
Update from diffutils-2.8.2.
This commit is contained in:
Jim Meyering
parent
2e53304940
commit
64a1747ac5
523
lib/fnmatch.c
523
lib/fnmatch.c
@ -1,4 +1,5 @@
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/* Copyright 1991, 1992, 1993, 1996, 1997, 2000 Free Software Foundation, Inc.
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/* Copyright (C) 1991, 1992, 1993, 1996, 1997, 1998, 1999, 2000, 2001,
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2002 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -10,9 +11,9 @@
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#if HAVE_CONFIG_H
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# include <config.h>
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@ -23,208 +24,360 @@
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# define _GNU_SOURCE 1
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#endif
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#ifdef __GNUC__
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# define alloca __builtin_alloca
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# define HAVE_ALLOCA 1
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#else
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# if defined HAVE_ALLOCA_H || defined _LIBC
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# include <alloca.h>
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# else
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# ifdef _AIX
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# pragma alloca
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# else
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# ifndef alloca
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char *alloca ();
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# endif
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# endif
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# endif
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#endif
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#if ! defined __builtin_expect && __GNUC__ < 3
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# define __builtin_expect(expr, expected) (expr)
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#endif
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#include <assert.h>
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#include <errno.h>
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#include <fnmatch.h>
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#include <ctype.h>
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#if defined STDC_HEADERS || !defined isascii
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# define IN_CTYPE_DOMAIN(c) 1
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#if HAVE_STRING_H || defined _LIBC
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# include <string.h>
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#else
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# define IN_CTYPE_DOMAIN(c) isascii (c)
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# if HAVE_STRINGS_H
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# include <strings.h>
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# endif
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#endif
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#define ISUPPER(c) (IN_CTYPE_DOMAIN (c) && isupper (c))
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#if defined STDC_HEADERS || defined _LIBC
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# include <stddef.h>
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# include <stdlib.h>
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#endif
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/* For platform which support the ISO C amendement 1 functionality we
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support user defined character classes. */
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#if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
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/* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>. */
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# include <wchar.h>
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# include <wctype.h>
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#endif
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/* We need some of the locale data (the collation sequence information)
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but there is no interface to get this information in general. Therefore
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we support a correct implementation only in glibc. */
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#ifdef _LIBC
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# include "../locale/localeinfo.h"
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# include "../locale/elem-hash.h"
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# include "../locale/coll-lookup.h"
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# include <shlib-compat.h>
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# define CONCAT(a,b) __CONCAT(a,b)
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# define mbsinit __mbsinit
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# define mbsrtowcs __mbsrtowcs
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# define fnmatch __fnmatch
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extern int fnmatch (const char *pattern, const char *string, int flags);
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#endif
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/* We often have to test for FNM_FILE_NAME and FNM_PERIOD being both set. */
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#define NO_LEADING_PERIOD(flags) \
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((flags & (FNM_FILE_NAME | FNM_PERIOD)) == (FNM_FILE_NAME | FNM_PERIOD))
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/* Comment out all this code if we are using the GNU C Library, are not
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actually compiling the library itself, and have not detected a bug
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in the library. This code is part of the GNU C
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Library, but also included in many other GNU distributions. Compiling
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and linking in this code is a waste when using the GNU C library
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(especially if it is a shared library). Rather than having every GNU
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program understand `configure --with-gnu-libc' and omit the object files,
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it is simpler to just do this in the source for each such file. */
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#if defined _LIBC || !defined __GNU_LIBRARY__ || !HAVE_FNMATCH_GNU
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#ifndef errno
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# if defined STDC_HEADERS || !defined isascii
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# define ISASCII(c) 1
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# else
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# define ISASCII(c) isascii(c)
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# endif
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# ifdef isblank
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# define ISBLANK(c) (ISASCII (c) && isblank (c))
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# else
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# define ISBLANK(c) ((c) == ' ' || (c) == '\t')
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# endif
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# ifdef isgraph
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# define ISGRAPH(c) (ISASCII (c) && isgraph (c))
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# else
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# define ISGRAPH(c) (ISASCII (c) && isprint (c) && !isspace (c))
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# endif
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# define ISPRINT(c) (ISASCII (c) && isprint (c))
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# define ISDIGIT(c) (ISASCII (c) && isdigit (c))
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# define ISALNUM(c) (ISASCII (c) && isalnum (c))
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# define ISALPHA(c) (ISASCII (c) && isalpha (c))
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# define ISCNTRL(c) (ISASCII (c) && iscntrl (c))
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# define ISLOWER(c) (ISASCII (c) && islower (c))
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# define ISPUNCT(c) (ISASCII (c) && ispunct (c))
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# define ISSPACE(c) (ISASCII (c) && isspace (c))
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# define ISUPPER(c) (ISASCII (c) && isupper (c))
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# define ISXDIGIT(c) (ISASCII (c) && isxdigit (c))
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# define STREQ(s1, s2) ((strcmp (s1, s2) == 0))
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# if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
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/* The GNU C library provides support for user-defined character classes
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and the functions from ISO C amendement 1. */
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# ifdef CHARCLASS_NAME_MAX
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# define CHAR_CLASS_MAX_LENGTH CHARCLASS_NAME_MAX
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# else
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/* This shouldn't happen but some implementation might still have this
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problem. Use a reasonable default value. */
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# define CHAR_CLASS_MAX_LENGTH 256
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# endif
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# ifdef _LIBC
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# define IS_CHAR_CLASS(string) __wctype (string)
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# else
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# define IS_CHAR_CLASS(string) wctype (string)
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# endif
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# ifdef _LIBC
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# define ISWCTYPE(WC, WT) __iswctype (WC, WT)
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# else
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# define ISWCTYPE(WC, WT) iswctype (WC, WT)
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# endif
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# if (HAVE_MBSTATE_T && HAVE_MBSRTOWCS) || _LIBC
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/* In this case we are implementing the multibyte character handling. */
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# define HANDLE_MULTIBYTE 1
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# endif
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# else
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# define CHAR_CLASS_MAX_LENGTH 6 /* Namely, `xdigit'. */
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# define IS_CHAR_CLASS(string) \
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(STREQ (string, "alpha") || STREQ (string, "upper") \
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|| STREQ (string, "lower") || STREQ (string, "digit") \
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|| STREQ (string, "alnum") || STREQ (string, "xdigit") \
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|| STREQ (string, "space") || STREQ (string, "print") \
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|| STREQ (string, "punct") || STREQ (string, "graph") \
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|| STREQ (string, "cntrl") || STREQ (string, "blank"))
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# endif
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/* Avoid depending on library functions or files
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whose names are inconsistent. */
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# if !defined _LIBC && !defined getenv && !HAVE_DECL_GETENV
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extern char *getenv ();
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# endif
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# ifndef errno
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extern int errno;
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#endif
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# endif
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/* Match STRING against the filename pattern PATTERN, returning zero if
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it matches, nonzero if not. */
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int
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fnmatch (const char *pattern, const char *string, int flags)
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{
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register const char *p = pattern, *n = string;
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register char c;
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/* Global variable. */
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static int posixly_correct;
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# ifndef internal_function
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/* Inside GNU libc we mark some function in a special way. In other
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environments simply ignore the marking. */
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# define internal_function
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# endif
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/* Note that this evaluates C many times. */
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#define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER ((unsigned char) (c)) \
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? tolower ((unsigned char) (c)) \
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: (c))
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# ifdef _LIBC
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# define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (c))
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# else
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# define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c))
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# endif
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# define CHAR char
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# define UCHAR unsigned char
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# define INT int
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# define FCT internal_fnmatch
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# define EXT ext_match
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# define END end_pattern
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# define L(CS) CS
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# ifdef _LIBC
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# define BTOWC(C) __btowc (C)
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# else
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# define BTOWC(C) btowc (C)
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# endif
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# define STRLEN(S) strlen (S)
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# define STRCAT(D, S) strcat (D, S)
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# ifdef _LIBC
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# define MEMPCPY(D, S, N) __mempcpy (D, S, N)
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# else
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# if HAVE_MEMPCPY
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# define MEMPCPY(D, S, N) mempcpy (D, S, N)
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# else
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# define MEMPCPY(D, S, N) ((void *) ((char *) memcpy (D, S, N) + (N)))
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# endif
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# endif
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# define MEMCHR(S, C, N) memchr (S, C, N)
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# define STRCOLL(S1, S2) strcoll (S1, S2)
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# include "fnmatch_loop.c"
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while ((c = *p++) != '\0')
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# if HANDLE_MULTIBYTE
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# define FOLD(c) ((flags & FNM_CASEFOLD) ? towlower (c) : (c))
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# define CHAR wchar_t
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# define UCHAR wint_t
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# define INT wint_t
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# define FCT internal_fnwmatch
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# define EXT ext_wmatch
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# define END end_wpattern
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# define L(CS) L##CS
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# define BTOWC(C) (C)
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# ifdef _LIBC
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# define STRLEN(S) __wcslen (S)
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# define STRCAT(D, S) __wcscat (D, S)
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# define MEMPCPY(D, S, N) __wmempcpy (D, S, N)
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# else
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# define STRLEN(S) wcslen (S)
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# define STRCAT(D, S) wcscat (D, S)
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# if HAVE_WMEMPCPY
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# define MEMPCPY(D, S, N) wmempcpy (D, S, N)
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# else
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# define MEMPCPY(D, S, N) (wmemcpy (D, S, N) + (N))
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# endif
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# endif
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# define MEMCHR(S, C, N) wmemchr (S, C, N)
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# define STRCOLL(S1, S2) wcscoll (S1, S2)
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# define WIDE_CHAR_VERSION 1
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# undef IS_CHAR_CLASS
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/* We have to convert the wide character string in a multibyte string. But
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we know that the character class names consist of alphanumeric characters
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from the portable character set, and since the wide character encoding
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for a member of the portable character set is the same code point as
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its single-byte encoding, we can use a simplified method to convert the
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string to a multibyte character string. */
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static wctype_t
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is_char_class (const wchar_t *wcs)
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{
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char s[CHAR_CLASS_MAX_LENGTH + 1];
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char *cp = s;
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do
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{
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c = FOLD (c);
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switch (c)
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/* Test for a printable character from the portable character set. */
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# ifdef _LIBC
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if (*wcs < 0x20 || *wcs > 0x7e
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|| *wcs == 0x24 || *wcs == 0x40 || *wcs == 0x60)
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return (wctype_t) 0;
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# else
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switch (*wcs)
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{
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case '?':
|
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if (*n == '\0')
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return FNM_NOMATCH;
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else if ((flags & FNM_FILE_NAME) && *n == '/')
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return FNM_NOMATCH;
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else if ((flags & FNM_PERIOD) && *n == '.' &&
|
||||
(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
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||||
return FNM_NOMATCH;
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||||
case L' ': case L'!': case L'"': case L'#': case L'%':
|
||||
case L'&': case L'\'': case L'(': case L')': case L'*':
|
||||
case L'+': case L',': case L'-': case L'.': case L'/':
|
||||
case L'0': case L'1': case L'2': case L'3': case L'4':
|
||||
case L'5': case L'6': case L'7': case L'8': case L'9':
|
||||
case L':': case L';': case L'<': case L'=': case L'>':
|
||||
case L'?':
|
||||
case L'A': case L'B': case L'C': case L'D': case L'E':
|
||||
case L'F': case L'G': case L'H': case L'I': case L'J':
|
||||
case L'K': case L'L': case L'M': case L'N': case L'O':
|
||||
case L'P': case L'Q': case L'R': case L'S': case L'T':
|
||||
case L'U': case L'V': case L'W': case L'X': case L'Y':
|
||||
case L'Z':
|
||||
case L'[': case L'\\': case L']': case L'^': case L'_':
|
||||
case L'a': case L'b': case L'c': case L'd': case L'e':
|
||||
case L'f': case L'g': case L'h': case L'i': case L'j':
|
||||
case L'k': case L'l': case L'm': case L'n': case L'o':
|
||||
case L'p': case L'q': case L'r': case L's': case L't':
|
||||
case L'u': case L'v': case L'w': case L'x': case L'y':
|
||||
case L'z': case L'{': case L'|': case L'}': case L'~':
|
||||
break;
|
||||
|
||||
case '\\':
|
||||
if (!(flags & FNM_NOESCAPE))
|
||||
{
|
||||
c = *p++;
|
||||
if (c == '\0')
|
||||
/* Trailing \ loses. */
|
||||
return FNM_NOMATCH;
|
||||
c = FOLD (c);
|
||||
}
|
||||
if (FOLD (*n) != c)
|
||||
return FNM_NOMATCH;
|
||||
break;
|
||||
|
||||
case '*':
|
||||
if ((flags & FNM_PERIOD) && *n == '.' &&
|
||||
(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
|
||||
return FNM_NOMATCH;
|
||||
|
||||
for (c = *p++; c == '?' || c == '*'; c = *p++)
|
||||
{
|
||||
if (c == '?')
|
||||
{
|
||||
/* A ? needs to match one character. */
|
||||
if (*n == '\0' || (*n == '/' && (flags & FNM_FILE_NAME)))
|
||||
/* There isn't another character; no match. */
|
||||
return FNM_NOMATCH;
|
||||
else
|
||||
/* One character of the string is consumed in matching
|
||||
this ? wildcard, so *??? won't match if there are
|
||||
less than three characters. */
|
||||
++n;
|
||||
}
|
||||
}
|
||||
|
||||
if (c == '\0')
|
||||
{
|
||||
if ((flags & (FNM_FILE_NAME | FNM_LEADING_DIR)) == FNM_FILE_NAME)
|
||||
for (; *n != '\0'; n++)
|
||||
if (*n == '/')
|
||||
return FNM_NOMATCH;
|
||||
return 0;
|
||||
}
|
||||
|
||||
{
|
||||
char c1 = (!(flags & FNM_NOESCAPE) && c == '\\') ? *p : c;
|
||||
c1 = FOLD (c1);
|
||||
for (--p; *n != '\0'; ++n)
|
||||
if ((c == '[' || FOLD (*n) == c1) &&
|
||||
fnmatch (p, n, flags & ~FNM_PERIOD) == 0)
|
||||
return 0;
|
||||
else if (*n == '/' && (flags & FNM_FILE_NAME))
|
||||
break;
|
||||
return FNM_NOMATCH;
|
||||
}
|
||||
|
||||
case '[':
|
||||
{
|
||||
/* Nonzero if the sense of the character class is inverted. */
|
||||
register int not;
|
||||
|
||||
if (*n == '\0')
|
||||
return FNM_NOMATCH;
|
||||
|
||||
if ((flags & FNM_PERIOD) && *n == '.' &&
|
||||
(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
|
||||
return FNM_NOMATCH;
|
||||
|
||||
not = (*p == '!' || *p == '^');
|
||||
if (not)
|
||||
++p;
|
||||
|
||||
c = *p++;
|
||||
for (;;)
|
||||
{
|
||||
register char cstart = c, cend = c;
|
||||
|
||||
if (!(flags & FNM_NOESCAPE) && c == '\\')
|
||||
{
|
||||
if (*p == '\0')
|
||||
return FNM_NOMATCH;
|
||||
cstart = cend = *p++;
|
||||
}
|
||||
|
||||
cstart = cend = FOLD (cstart);
|
||||
|
||||
if (c == '\0')
|
||||
/* [ (unterminated) loses. */
|
||||
return FNM_NOMATCH;
|
||||
|
||||
c = *p++;
|
||||
c = FOLD (c);
|
||||
|
||||
if ((flags & FNM_FILE_NAME) && c == '/')
|
||||
/* [/] can never match. */
|
||||
return FNM_NOMATCH;
|
||||
|
||||
if (c == '-' && *p != ']')
|
||||
{
|
||||
cend = *p++;
|
||||
if (!(flags & FNM_NOESCAPE) && cend == '\\')
|
||||
cend = *p++;
|
||||
if (cend == '\0')
|
||||
return FNM_NOMATCH;
|
||||
cend = FOLD (cend);
|
||||
|
||||
c = *p++;
|
||||
}
|
||||
|
||||
if (FOLD (*n) >= cstart && FOLD (*n) <= cend)
|
||||
goto matched;
|
||||
|
||||
if (c == ']')
|
||||
break;
|
||||
}
|
||||
if (!not)
|
||||
return FNM_NOMATCH;
|
||||
break;
|
||||
|
||||
matched:;
|
||||
/* Skip the rest of the [...] that already matched. */
|
||||
while (c != ']')
|
||||
{
|
||||
if (c == '\0')
|
||||
/* [... (unterminated) loses. */
|
||||
return FNM_NOMATCH;
|
||||
|
||||
c = *p++;
|
||||
if (!(flags & FNM_NOESCAPE) && c == '\\')
|
||||
{
|
||||
if (*p == '\0')
|
||||
return FNM_NOMATCH;
|
||||
/* XXX 1003.2d11 is unclear if this is right. */
|
||||
++p;
|
||||
}
|
||||
}
|
||||
if (not)
|
||||
return FNM_NOMATCH;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
if (c != FOLD (*n))
|
||||
return FNM_NOMATCH;
|
||||
return (wctype_t) 0;
|
||||
}
|
||||
# endif
|
||||
|
||||
++n;
|
||||
/* Avoid overrunning the buffer. */
|
||||
if (cp == s + CHAR_CLASS_MAX_LENGTH)
|
||||
return (wctype_t) 0;
|
||||
|
||||
*cp++ = (char) *wcs++;
|
||||
}
|
||||
while (*wcs != L'\0');
|
||||
|
||||
if (*n == '\0')
|
||||
return 0;
|
||||
*cp = '\0';
|
||||
|
||||
if ((flags & FNM_LEADING_DIR) && *n == '/')
|
||||
/* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz". */
|
||||
return 0;
|
||||
|
||||
return FNM_NOMATCH;
|
||||
|
||||
#undef FOLD
|
||||
# ifdef _LIBC
|
||||
return __wctype (s);
|
||||
# else
|
||||
return wctype (s);
|
||||
# endif
|
||||
}
|
||||
# define IS_CHAR_CLASS(string) is_char_class (string)
|
||||
|
||||
# include "fnmatch_loop.c"
|
||||
# endif
|
||||
|
||||
|
||||
int
|
||||
fnmatch (pattern, string, flags)
|
||||
const char *pattern;
|
||||
const char *string;
|
||||
int flags;
|
||||
{
|
||||
# if HANDLE_MULTIBYTE
|
||||
if (__builtin_expect (MB_CUR_MAX, 1) != 1)
|
||||
{
|
||||
mbstate_t ps;
|
||||
size_t n;
|
||||
wchar_t *wpattern;
|
||||
wchar_t *wstring;
|
||||
|
||||
/* Convert the strings into wide characters. */
|
||||
memset (&ps, '\0', sizeof (ps));
|
||||
n = mbsrtowcs (NULL, &pattern, 0, &ps);
|
||||
if (__builtin_expect (n, 0) == (size_t) -1)
|
||||
/* Something wrong.
|
||||
XXX Do we have to set `errno' to something which mbsrtows hasn't
|
||||
already done? */
|
||||
return -1;
|
||||
wpattern = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
|
||||
assert (mbsinit (&ps));
|
||||
(void) mbsrtowcs (wpattern, &pattern, n + 1, &ps);
|
||||
|
||||
assert (mbsinit (&ps));
|
||||
n = mbsrtowcs (NULL, &string, 0, &ps);
|
||||
if (__builtin_expect (n, 0) == (size_t) -1)
|
||||
/* Something wrong.
|
||||
XXX Do we have to set `errno' to something which mbsrtows hasn't
|
||||
already done? */
|
||||
return -1;
|
||||
wstring = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
|
||||
assert (mbsinit (&ps));
|
||||
(void) mbsrtowcs (wstring, &string, n + 1, &ps);
|
||||
|
||||
return internal_fnwmatch (wpattern, wstring, wstring + n,
|
||||
flags & FNM_PERIOD, flags);
|
||||
}
|
||||
# endif /* mbstate_t and mbsrtowcs or _LIBC. */
|
||||
|
||||
return internal_fnmatch (pattern, string, string + strlen (string),
|
||||
flags & FNM_PERIOD, flags);
|
||||
}
|
||||
|
||||
# ifdef _LIBC
|
||||
# undef fnmatch
|
||||
versioned_symbol (libc, __fnmatch, fnmatch, GLIBC_2_2_3);
|
||||
# if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_2_3)
|
||||
strong_alias (__fnmatch, __fnmatch_old)
|
||||
compat_symbol (libc, __fnmatch_old, fnmatch, GLIBC_2_0);
|
||||
# endif
|
||||
# endif
|
||||
|
||||
#endif /* _LIBC or not __GNU_LIBRARY__. */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user