151 lines
4.6 KiB
C
151 lines
4.6 KiB
C
/*-
|
|
* Copyright (c) 1990, 1993, 1994
|
|
* 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[] = "@(#)option.c 8.2 (Berkeley) 4/16/94";
|
|
#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"
|
|
|
|
static OPTION *option __P((char *));
|
|
|
|
/* NB: the following table must be sorted lexically. */
|
|
static OPTION const 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 },
|
|
{ "-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);
|
|
}
|
|
|
|
static 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));
|
|
}
|