initial import of NetBSD tree

1 files changed, 150 insertions, 0 deletions

diff --git a/usr.bin/find/option.c b/usr.bin/find/option.c
new file mode 100644
index 00000000000..4e680f7b9bb
--- /dev/null
+++ b/usr.bin/find/option.c
@@ -0,0 +1,150 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Cimarron D. Taylor of the University of California, Berkeley.
+ *
+ * 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.
+ */
+
+#ifndef lint
+/*static char sccsid[] = "from: @(#)option.c	8.1 (Berkeley) 6/6/93";*/
+static char rcsid[] = "$Id: option.c,v 1.1 1995/10/18 08:45:14 deraadt Exp $";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <err.h>
+#include <fts.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "find.h"
+
+/* NB: the following table must be sorted lexically. */
+static OPTION options[] = {
+	{ "!",		N_NOT,		c_not,		O_ZERO },
+	{ "(",		N_OPENPAREN,	c_openparen,	O_ZERO },
+	{ ")",		N_CLOSEPAREN,	c_closeparen,	O_ZERO },
+	{ "-a",		N_AND,		NULL,		O_NONE },
+	{ "-and",	N_AND,		NULL,		O_NONE },
+	{ "-atime",	N_ATIME,	c_atime,	O_ARGV },
+	{ "-ctime",	N_CTIME,	c_ctime,	O_ARGV },
+	{ "-depth",	N_DEPTH,	c_depth,	O_ZERO },
+	{ "-exec",	N_EXEC,		c_exec,		O_ARGVP },
+	{ "-follow",	N_FOLLOW,	c_follow,	O_ZERO },
+	{ "-fstype",	N_FSTYPE,	c_fstype,	O_ARGV },
+	{ "-group",	N_GROUP,	c_group,	O_ARGV },
+	{ "-inum",	N_INUM,		c_inum,		O_ARGV },
+	{ "-links",	N_LINKS,	c_links,	O_ARGV },
+	{ "-ls",	N_LS,		c_ls,		O_ZERO },
+	{ "-mtime",	N_MTIME,	c_mtime,	O_ARGV },
+	{ "-name",	N_NAME,		c_name,		O_ARGV },
+	{ "-newer",	N_NEWER,	c_newer,	O_ARGV },
+	{ "-nogroup",	N_NOGROUP,	c_nogroup,	O_ZERO },
+	{ "-nouser",	N_NOUSER,	c_nouser,	O_ZERO },
+	{ "-o",		N_OR,		c_or,		O_ZERO },
+	{ "-ok",	N_OK,		c_exec,		O_ARGVP },
+	{ "-or",	N_OR,		c_or,		O_ZERO },
+	{ "-path", 	N_PATH,		c_path,		O_ARGV },
+	{ "-perm",	N_PERM,		c_perm,		O_ARGV },
+	{ "-print",	N_PRINT,	c_print,	O_ZERO },
+	{ "-print0",	N_PRINT0,	c_print0,	O_ZERO },
+	{ "-prune",	N_PRUNE,	c_prune,	O_ZERO },
+	{ "-size",	N_SIZE,		c_size,		O_ARGV },
+	{ "-type",	N_TYPE,		c_type,		O_ARGV },
+	{ "-user",	N_USER,		c_user,		O_ARGV },
+	{ "-xdev",	N_XDEV,		c_xdev,		O_ZERO },
+};
+
+/*
+ * find_create --
+ *	create a node corresponding to a command line argument.
+ *
+ * TODO:
+ *	add create/process function pointers to node, so we can skip
+ *	this switch stuff.
+ */
+PLAN *
+find_create(argvp)
+	char ***argvp;
+{
+	register OPTION *p;
+	PLAN *new;
+	char **argv;
+
+	argv = *argvp;
+
+	if ((p = option(*argv)) == NULL)
+		errx(1, "%s: unknown option", *argv);
+	++argv;
+	if (p->flags & (O_ARGV|O_ARGVP) && !*argv)
+		errx(1, "%s: requires additional arguments", *--argv);
+
+	switch(p->flags) {
+	case O_NONE:
+		new = NULL;
+		break;
+	case O_ZERO:
+		new = (p->create)();
+		break;
+	case O_ARGV:
+		new = (p->create)(*argv++);
+		break;
+	case O_ARGVP:
+		new = (p->create)(&argv, p->token == N_OK);
+		break;
+	default:
+		abort();
+	}
+	*argvp = argv;
+	return (new);
+}
+
+OPTION *
+option(name)
+	char *name;
+{
+	OPTION tmp;
+	int typecompare __P((const void *, const void *));
+
+	tmp.name = name;
+	return ((OPTION *)bsearch(&tmp, options,
+	    sizeof(options)/sizeof(OPTION), sizeof(OPTION), typecompare));
+}
+
+int
+typecompare(a, b)
+	const void *a, *b;
+{
+	return (strcmp(((OPTION *)a)->name, ((OPTION *)b)->name));
+}