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Re: [PATCH] posix: fnmatch() support
- From: Andrew Lunn <andrew at lunn dot ch>
- To: Peter Korsgaard <jacmet at sunsite dot dk>
- Cc: ecos-patches at ecos dot sourceware dot org
- Date: Sat, 27 Jan 2007 19:21:46 +0100
- Subject: Re: [PATCH] posix: fnmatch() support
- References: <87mz48u3sk.fsf@slug.be.48ers.dk>
On Wed, Jan 24, 2007 at 11:17:47AM +0100, Peter Korsgaard wrote:
> Hi,
>
> The following patch adds support for the fnmatch() function
> (http://www.opengroup.org/onlinepubs/009695399/functions/fnmatch.html)
> to the posix package.
Thanks.
I reworked the patch to make it part of fileio. I also added a little
testcase.
Andrew
? io/fileio/current/tests/fnmatch.c
? isoinfra/current/include/fnmatch.h
Index: io/fileio/current/ChangeLog
===================================================================
RCS file: /cvs/ecos/ecos/packages/io/fileio/current/ChangeLog,v
retrieving revision 1.64
diff -u -r1.64 ChangeLog
--- io/fileio/current/ChangeLog 12 Aug 2006 07:23:41 -0000 1.64
+++ io/fileio/current/ChangeLog 27 Jan 2007 18:17:19 -0000
@@ -1,3 +1,13 @@
+2007-01-27 Andrew Lunn <andrew.lunn@ascom.ch>
+
+ * tests/fnmatch.c: Test case for fnmatch.
+
+2007-01-24 Peter Korsgaard <peter.korsgaard@barco.com>
+
+ * cdl/fileio.cdl:
+ * src/fnmatch.c:
+ * include/fnmatch.h: Added fnmatch() implementation (from NetBSD).
+
2006-05-18 Paul Fine <pfine@dtccom.com>
* include/fileio.h : Added a key and a structure to extract the
Index: io/fileio/current/cdl/fileio.cdl
===================================================================
RCS file: /cvs/ecos/ecos/packages/io/fileio/current/cdl/fileio.cdl,v
retrieving revision 1.13
diff -u -r1.13 fileio.cdl
--- io/fileio/current/cdl/fileio.cdl 12 Aug 2006 07:23:41 -0000 1.13
+++ io/fileio/current/cdl/fileio.cdl 27 Jan 2007 18:17:19 -0000
@@ -233,6 +233,20 @@
implement a call using cyg_fs_getinfo to return the current
filesystem block usage."
}
+
+ cdl_component CYGPKG_FILEIO_FNMATCH {
+ display "POSIX fnmatch configuration"
+ flavor bool
+ default_value ( CYGINT_ISO_STRING_STRFUNCS && CYGINT_ISO_CTYPE )
+ requires { CYGBLD_ISO_FNMATCH_HEADER == \
+ "<cyg/fileio/fnmatch.h>" }
+ description "
+ This component provides configuration controls for
+ the POSIX fnmatch() function."
+
+ compile fnmatch.c
+ }
+
# ----------------------------------------------------------------
# Tests
@@ -240,7 +254,7 @@
display "Fileio tests"
flavor data
no_define
- calculated { "tests/fileio1 tests/socket tests/select tests/stdio tests/pselect" }
+ calculated { "tests/fileio1 tests/socket tests/select tests/stdio tests/pselect tests/fnmatch" }
description "
This option specifies the set of tests for the FileIO package."
}
Index: io/fileio/current/include/fnmatch.h
===================================================================
RCS file: io/fileio/current/include/fnmatch.h
diff -N io/fileio/current/include/fnmatch.h
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ io/fileio/current/include/fnmatch.h 27 Jan 2007 18:17:19 -0000
@@ -0,0 +1,67 @@
+#ifndef CYGONCE_FILEIO_FNMATCH_H
+#define CYGONCE_FILEIO_FNMATCH_H
+
+//==========================================================================
+//
+// fnmatch.h
+//
+//==========================================================================
+//####BSDCOPYRIGHTBEGIN####
+//
+// -------------------------------------------
+//
+// Portions of this software may have been derived from NetBSD, and are
+// covered by the appropriate copyright disclaimers included herein.
+//
+// -------------------------------------------
+//
+//####BSDCOPYRIGHTEND####
+
+/* $NetBSD: fnmatch.h,v 1.12 2005/02/03 04:39:32 perry Exp $ */
+
+/*-
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)fnmatch.h 8.1 (Berkeley) 6/2/93
+ */
+
+#include <cyg/infra/cyg_type.h> // common type definitions and support
+
+#define FNM_NOMATCH (1) /* Match failed. */
+#define FNM_NOSYS (2) /* Function not implemented. */
+
+#define FNM_NOESCAPE (0x01) /* Disable backslash escaping. */
+#define FNM_PATHNAME (0x02) /* Slash must be matched by slash. */
+#define FNM_PERIOD (0x04) /* Period must be matched by period. */
+#define FNM_CASEFOLD (0x08) /* Pattern is matched case-insensitive */
+#define FNM_LEADING_DIR (0x10) /* Ignore /<tail> after Imatch. */
+
+__externC int
+fnmatch(const char *, const char *, int);
+
+#endif /* !CYGONCE_FILEIO_FNMATCH_H */
Index: io/fileio/current/src/fnmatch.c
===================================================================
RCS file: io/fileio/current/src/fnmatch.c
diff -N io/fileio/current/src/fnmatch.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ io/fileio/current/src/fnmatch.c 27 Jan 2007 18:17:19 -0000
@@ -0,0 +1,185 @@
+/* $NetBSD: fnmatch.c,v 1.21 2005/12/24 21:11:16 perry Exp $ */
+
+/*
+ * Copyright (c) 1989, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Guido van Rossum.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Function fnmatch() as specified in POSIX 1003.2-1992, section B.6.
+ * Compares a filename or pathname to a pattern.
+ */
+
+#include <cyg/infra/cyg_ass.h> // assertion macros
+#include <ctype.h>
+#include <fnmatch.h>
+#include <string.h>
+
+#define EOS '\0'
+
+static const char *rangematch(const char *, int, int);
+
+static inline int
+foldcase(int ch, int flags)
+{
+
+ if ((flags & FNM_CASEFOLD) != 0 && isupper(ch))
+ return (tolower(ch));
+ return (ch);
+}
+
+#define FOLDCASE(ch, flags) foldcase((unsigned char)(ch), (flags))
+
+int
+fnmatch(const char *pattern, const char *string, int flags)
+{
+ const char *stringstart;
+ char c, test;
+
+ CYG_ASSERT(pattern != NULL, "pattern NULL pointer!");
+ CYG_ASSERT(string != NULL, "string NULL pointer!");
+
+ for (stringstart = string;;)
+ switch (c = FOLDCASE(*pattern++, flags)) {
+ case EOS:
+ if ((flags & FNM_LEADING_DIR) && *string == '/')
+ return (0);
+ return (*string == EOS ? 0 : FNM_NOMATCH);
+ case '?':
+ if (*string == EOS)
+ return (FNM_NOMATCH);
+ if (*string == '/' && (flags & FNM_PATHNAME))
+ return (FNM_NOMATCH);
+ if (*string == '.' && (flags & FNM_PERIOD) &&
+ (string == stringstart ||
+ ((flags & FNM_PATHNAME) && *(string - 1) == '/')))
+ return (FNM_NOMATCH);
+ ++string;
+ break;
+ case '*':
+ c = FOLDCASE(*pattern, flags);
+ /* Collapse multiple stars. */
+ while (c == '*')
+ c = FOLDCASE(*++pattern, flags);
+
+ if (*string == '.' && (flags & FNM_PERIOD) &&
+ (string == stringstart ||
+ ((flags & FNM_PATHNAME) && *(string - 1) == '/')))
+ return (FNM_NOMATCH);
+
+ /* Optimize for pattern with * at end or before /. */
+ if (c == EOS) {
+ if (flags & FNM_PATHNAME)
+ return ((flags & FNM_LEADING_DIR) ||
+ strchr(string, '/') == NULL ?
+ 0 : FNM_NOMATCH);
+ else
+ return (0);
+ } else if (c == '/' && flags & FNM_PATHNAME) {
+ if ((string = strchr(string, '/')) == NULL)
+ return (FNM_NOMATCH);
+ break;
+ }
+
+ /* General case, use recursion. */
+ while ((test = FOLDCASE(*string, flags)) != EOS) {
+ if (!fnmatch(pattern, string,
+ flags & ~FNM_PERIOD))
+ return (0);
+ if (test == '/' && flags & FNM_PATHNAME)
+ break;
+ ++string;
+ }
+ return (FNM_NOMATCH);
+ case '[':
+ if (*string == EOS)
+ return (FNM_NOMATCH);
+ if (*string == '/' && flags & FNM_PATHNAME)
+ return (FNM_NOMATCH);
+ if ((pattern =
+ rangematch(pattern, FOLDCASE(*string, flags),
+ flags)) == NULL)
+ return (FNM_NOMATCH);
+ ++string;
+ break;
+ case '\\':
+ if (!(flags & FNM_NOESCAPE)) {
+ if ((c = FOLDCASE(*pattern++, flags)) == EOS) {
+ c = '\\';
+ --pattern;
+ }
+ }
+ /* FALLTHROUGH */
+ default:
+ if (c != FOLDCASE(*string++, flags))
+ return (FNM_NOMATCH);
+ break;
+ }
+ /* NOTREACHED */
+}
+
+static const char *
+rangematch(const char *pattern, int test, int flags)
+{
+ int negate, ok;
+ char c, c2;
+
+ CYG_ASSERT(pattern != NULL, "pattern NULL pointer!");
+
+ /*
+ * A bracket expression starting with an unquoted circumflex
+ * character produces unspecified results (IEEE 1003.2-1992,
+ * 3.13.2). This implementation treats it like '!', for
+ * consistency with the regular expression syntax.
+ * J.T. Conklin (conklin@ngai.kaleida.com)
+ */
+ if ((negate = (*pattern == '!' || *pattern == '^')) != 0)
+ ++pattern;
+
+ for (ok = 0; (c = FOLDCASE(*pattern++, flags)) != ']';) {
+ if (c == '\\' && !(flags & FNM_NOESCAPE))
+ c = FOLDCASE(*pattern++, flags);
+ if (c == EOS)
+ return (NULL);
+ if (*pattern == '-'
+ && (c2 = FOLDCASE(*(pattern+1), flags)) != EOS &&
+ c2 != ']') {
+ pattern += 2;
+ if (c2 == '\\' && !(flags & FNM_NOESCAPE))
+ c2 = FOLDCASE(*pattern++, flags);
+ if (c2 == EOS)
+ return (NULL);
+ if (c <= test && test <= c2)
+ ok = 1;
+ } else if (c == test)
+ ok = 1;
+ }
+ return (ok == negate ? NULL : pattern);
+}
Index: isoinfra/current/ChangeLog
===================================================================
RCS file: /cvs/ecos/ecos/packages/isoinfra/current/ChangeLog,v
retrieving revision 1.30
diff -u -r1.30 ChangeLog
--- isoinfra/current/ChangeLog 28 Mar 2006 13:45:12 -0000 1.30
+++ isoinfra/current/ChangeLog 27 Jan 2007 18:17:20 -0000
@@ -1,3 +1,8 @@
+2007-01-24 Peter Korsgaard <peter.korsgaard@barco.com>
+
+ * cdl/isoinfra.cdl:
+ * include/fnmatch.h: fnmatch() support.
+
2006-03-17 Sergei Organov <osv@javad.com>
* include/assert.h: Replace #if defined(CYGINT_ISO_EXIT) with #if
Index: isoinfra/current/cdl/isoinfra.cdl
===================================================================
RCS file: /cvs/ecos/ecos/packages/isoinfra/current/cdl/isoinfra.cdl,v
retrieving revision 1.14
diff -u -r1.14 isoinfra.cdl
--- isoinfra/current/cdl/isoinfra.cdl 15 Mar 2004 15:20:23 -0000 1.14
+++ isoinfra/current/cdl/isoinfra.cdl 27 Jan 2007 18:17:20 -0000
@@ -577,6 +577,12 @@
default_value 0
}
+ cdl_option CYGBLD_ISO_FNMATCH_HEADER {
+ display "fnmatch implementation header"
+ flavor booldata
+ default_value 0
+ }
+
cdl_interface CYGINT_ISO_POSIX_TIMER_TYPES {
display "Number of implementations of POSIX timer types"
requires { 1 >= CYGINT_ISO_POSIX_TIMER_TYPES }