[9changes] patch: ape-fnmatch

[9cha...@9grid.fr]

APE: import POSIX.2 fnmatch() from FreeBSD
Reference: /n/sources/patch/ape-fnmatch
Date: Wed Mar 4 12:20:52 CET 2015
Signed-off-by: yar...@gmail.com

--- /sys/include/ape/fnmatch.h Thu Jan 1 00:00:00 1970
+++ /sys/include/ape/fnmatch.h Wed Mar 4 12:20:12 2015
@@ -0,0 +1,19 @@
+/* IEEE Std 1003.1, 2004 Edition, Issue 4. Derived from the ISO POSIX-2 standard. */
+#ifndef __FNMATCH_H
+#define __FNMATCH_H
+#ifndef _POSIX_SOURCE
+ This header file is not defined in pure ANSI
+#endif
+
+#pragma lib "/$M/lib/ape/libap.a"
+
+#define FNM_NOESCAPE 1
+#define FNM_PATHNAME 2
+#define FNM_PERIOD 4
+
+#define FNM_NOMATCH 1
+#define FNM_NOSYS 2
+
+int fnmatch(const char *, const char *, int);
+
+#endif
--- /sys/src/ape/lib/ap/gen/fnmatch.c Thu Jan 1 00:00:00 1970
+++ /sys/src/ape/lib/ap/gen/fnmatch.c Wed Mar 4 12:20:16 2015
@@ -0,0 +1,196 @@
+/* FIXME replace with bits from /sys/src/cmd/rc/glob.c */
+/*
+ * 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. 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.
+ *
+ * From FreeBSD fnmatch.c 1.11
+ * $Id: fnmatch.c,v 1.3 1997/08/19 02:34:30 jdp Exp $
+ */
+
+/*
+ * Function fnmatch() as specified in POSIX 1003.2-1992, section B.6.
+ * Compares a filename or pathname to a pattern.
+ */
+
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+/* #include <stdio.h> */
+#include <fnmatch.h>
+
+#define EOS '\0'
+
+static const char *rangematch(const char *, char, int);
+
+int
+fnmatch(const char *pattern, const char *string, int flags)
+{
+ const char *stringstart;
+ char c, test;
+
+ for (stringstart = string;;)
+ switch (c = *pattern++) {
+ case EOS:
+ if ((0) && *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 = *pattern;
+ /* Collapse multiple stars. */
+ while (c == '*')
+ c = *++pattern;
+
+ 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 ((0) ||
+ 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 = *string) != 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, *string, flags)) == NULL)
+ return (FNM_NOMATCH);
+ ++string;
+ break;
+ case '\\':
+ if (!(flags & FNM_NOESCAPE)) {
+ if ((c = *pattern++) == EOS) {
+ c = '\\';
+ --pattern;
+ }
+ }
+ /* FALLTHROUGH */
+ default:
+ if (c == *string)
+ ;
+ else if ((0) &&
+ (tolower((unsigned char)c) ==
+ tolower((unsigned char)*string)))
+ ;
+ else if ((0) && *string == EOS &&
+ ((c == '/' && string != stringstart) ||
+ (string == stringstart+1 && *stringstart == '/')))
+ return (0);
+ else
+ return (FNM_NOMATCH);
+ string++;
+ break;
+ }
+ /* NOTREACHED */
+}
+
+static const char *
+rangematch(const char *pattern, char test, int flags)
+{
+ int negate, ok;
+ char c, c2;
+
+ /*
+ * 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 (con...@ngai.kaleida.com)
+ */
+ if ( (negate = (*pattern == '!' || *pattern == '^')) )
+ ++pattern;
+
+ if (0)
+ test = tolower((unsigned char)test);
+
+ for (ok = 0; (c = *pattern++) != ']';) {
+ if (c == '\\' && !(flags & FNM_NOESCAPE))
+ c = *pattern++;
+ if (c == EOS)
+ return (NULL);
+
+ if (0)
+ c = tolower((unsigned char)c);
+
+ if (*pattern == '-'
+ && (c2 = *(pattern+1)) != EOS && c2 != ']') {
+ pattern += 2;
+ if (c2 == '\\' && !(flags & FNM_NOESCAPE))
+ c2 = *pattern++;
+ if (c2 == EOS)
+ return (NULL);
+
+ if (0)
+ c2 = tolower((unsigned char)c2);
+
+ if ((unsigned char)c <= (unsigned char)test &&
+ (unsigned char)test <= (unsigned char)c2)
+ ok = 1;
+ } else if (c == test)
+ ok = 1;
+ }
+ return (ok == negate ? NULL : pattern);
+}
--- /sys/src/ape/lib/ap/gen/mkfile Wed Mar 4 12:20:24 2015
+++ /sys/src/ape/lib/ap/gen/mkfile Wed Mar 4 12:20:19 2015
@@ -16,6 +16,7 @@
ctype.$O\
difftime.$O\
div.$O\
+ fnmatch.$O\
getenv.$O\
isalnum.$O\
itoa.$O\
@@ -61,4 +62,4 @@

</sys/src/cmd/mksyslib

-CFLAGS=$CFLAGS -c -D_POSIX_SOURCE
+CFLAGS=-TVwc -D_POSIX_SOURCE