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/* Copyright 1991, 1992, 1993, 1996, 1997, 2000 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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the Free Software Foundation; either version 2, or (at your option)
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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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
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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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/* Enable GNU extensions in fnmatch.h. */
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# define _GNU_SOURCE 1
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#if defined STDC_HEADERS || !defined isascii
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# define IN_CTYPE_DOMAIN(c) 1
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# define IN_CTYPE_DOMAIN(c) isascii (c)
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#define ISUPPER(c) (IN_CTYPE_DOMAIN (c) && isupper (c))
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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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fnmatch (const char *pattern, const char *string, int flags)
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register const char *p = pattern, *n = string;
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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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while ((c = *p++) != '\0')
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else if ((flags & FNM_FILE_NAME) && *n == '/')
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else if ((flags & FNM_PERIOD) && *n == '.' &&
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(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
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if (!(flags & FNM_NOESCAPE))
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/* Trailing \ loses. */
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if ((flags & FNM_PERIOD) && *n == '.' &&
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(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
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for (c = *p++; c == '?' || c == '*'; c = *p++)
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/* A ? needs to match one character. */
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if (*n == '\0' || (*n == '/' && (flags & FNM_FILE_NAME)))
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/* There isn't another character; no match. */
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/* One character of the string is consumed in matching
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this ? wildcard, so *??? won't match if there are
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less than three characters. */
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if ((flags & (FNM_FILE_NAME | FNM_LEADING_DIR)) == FNM_FILE_NAME)
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for (; *n != '\0'; n++)
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char c1 = (!(flags & FNM_NOESCAPE) && c == '\\') ? *p : c;
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for (--p; *n != '\0'; ++n)
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if ((c == '[' || FOLD (*n) == c1) &&
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fnmatch (p, n, flags & ~FNM_PERIOD) == 0)
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else if (*n == '/' && (flags & FNM_FILE_NAME))
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/* Nonzero if the sense of the character class is inverted. */
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if ((flags & FNM_PERIOD) && *n == '.' &&
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(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
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not = (*p == '!' || *p == '^');
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register char cstart = c, cend = c;
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if (!(flags & FNM_NOESCAPE) && c == '\\')
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cstart = cend = *p++;
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cstart = cend = FOLD (cstart);
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/* [ (unterminated) loses. */
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if ((flags & FNM_FILE_NAME) && c == '/')
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/* [/] can never match. */
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if (c == '-' && *p != ']')
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if (!(flags & FNM_NOESCAPE) && cend == '\\')
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if (FOLD (*n) >= cstart && FOLD (*n) <= cend)
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/* Skip the rest of the [...] that already matched. */
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/* [... (unterminated) loses. */
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if (!(flags & FNM_NOESCAPE) && c == '\\')
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/* XXX 1003.2d11 is unclear if this is right. */
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if ((flags & FNM_LEADING_DIR) && *n == '/')
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/* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz". */