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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [libiberty/] [fnmatch.c] - Rev 438
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/* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc. NOTE: This source is derived from an old version taken from the GNU C Library (glibc). This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H #if defined (CONFIG_BROKETS) /* We use <config.h> instead of "config.h" so that a compilation using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h (which it would do because it found this file in $srcdir). */ #include <config.h> #else #include "config.h" #endif #endif #ifndef _GNU_SOURCE #define _GNU_SOURCE #endif /* This code to undef const added in libiberty. */ #ifndef __STDC__ /* This is a separate conditional since some stdc systems reject `defined (const)'. */ #ifndef const #define const #endif #endif #include <errno.h> #include <fnmatch.h> #include <safe-ctype.h> /* Comment out all this code if we are using the GNU C Library, and are not actually compiling the library itself. This code is part of the GNU C Library, but also included in many other GNU distributions. Compiling and linking in this code is a waste when using the GNU C library (especially if it is a shared library). Rather than having every GNU program understand `configure --with-gnu-libc' and omit the object files, it is simpler to just do this in the source for each such file. */ #if defined (_LIBC) || !defined (__GNU_LIBRARY__) #if !defined(__GNU_LIBRARY__) && !defined(STDC_HEADERS) extern int errno; #endif /* Match STRING against the filename pattern PATTERN, returning zero if it matches, nonzero if not. */ int fnmatch (const char *pattern, const char *string, int flags) { register const char *p = pattern, *n = string; register unsigned char c; #define FOLD(c) ((flags & FNM_CASEFOLD) ? TOLOWER (c) : (c)) while ((c = *p++) != '\0') { c = FOLD (c); switch (c) { case '?': if (*n == '\0') return FNM_NOMATCH; else if ((flags & FNM_FILE_NAME) && *n == '/') return FNM_NOMATCH; else if ((flags & FNM_PERIOD) && *n == '.' && (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/'))) return FNM_NOMATCH; break; case '\\': if (!(flags & FNM_NOESCAPE)) { c = *p++; c = FOLD (c); } if (FOLD ((unsigned char)*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++, ++n) if (((flags & FNM_FILE_NAME) && *n == '/') || (c == '?' && *n == '\0')) return FNM_NOMATCH; if (c == '\0') return 0; { unsigned char c1 = (!(flags & FNM_NOESCAPE) && c == '\\') ? *p : c; c1 = FOLD (c1); for (--p; *n != '\0'; ++n) if ((c == '[' || FOLD ((unsigned char)*n) == c1) && fnmatch (p, n, flags & ~FNM_PERIOD) == 0) return 0; return FNM_NOMATCH; } case '[': { /* Nonzero if the sense of the character class is inverted. */ register int negate; if (*n == '\0') return FNM_NOMATCH; if ((flags & FNM_PERIOD) && *n == '.' && (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/'))) return FNM_NOMATCH; negate = (*p == '!' || *p == '^'); if (negate) ++p; c = *p++; for (;;) { register unsigned char cstart = c, cend = c; if (!(flags & FNM_NOESCAPE) && c == '\\') 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 ((unsigned char)*n) >= cstart && FOLD ((unsigned char)*n) <= cend) goto matched; if (c == ']') break; } if (!negate) 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 == '\\') /* XXX 1003.2d11 is unclear if this is right. */ ++p; } if (negate) return FNM_NOMATCH; } break; default: if (c != FOLD ((unsigned char)*n)) return FNM_NOMATCH; } ++n; } if (*n == '\0') return 0; if ((flags & FNM_LEADING_DIR) && *n == '/') /* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz". */ return 0; return FNM_NOMATCH; } #endif /* _LIBC or not __GNU_LIBRARY__. */
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