freebsd-dev/usr.bin/find/option.c
Juli Mallett 4a0193d39e Add a unary -not operator ala -false and !, for sake of completeness.
Obtained from:	OpenDarwin
MFC after:	1 week
2002-08-19 02:27:33 +00:00

176 lines
5.8 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/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/stat.h>
#include <err.h>
#include <fts.h>
#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "find.h"
int typecompare(const void *, const void *);
/* NB: the following table must be sorted lexically. */
static OPTION const options[] = {
{ "!", c_simple, f_not, 0 },
{ "(", c_simple, f_openparen, 0 },
{ ")", c_simple, f_closeparen, 0 },
{ "-a", c_and, NULL, 0 },
{ "-amin", c_Xmin, f_Xmin, F_TIME_A },
{ "-and", c_and, NULL, 0 },
{ "-anewer", c_newer, f_newer, F_TIME_A },
{ "-atime", c_Xtime, f_Xtime, F_TIME_A },
{ "-cmin", c_Xmin, f_Xmin, F_TIME_C },
{ "-cnewer", c_newer, f_newer, F_TIME_C },
{ "-ctime", c_Xtime, f_Xtime, F_TIME_C },
{ "-delete", c_delete, f_delete, 0 },
{ "-depth", c_depth, f_always_true, 0 },
{ "-empty", c_empty, f_empty, 0 },
{ "-exec", c_exec, f_exec, 0 },
{ "-execdir", c_exec, f_exec, F_EXECDIR },
{ "-false", c_simple, f_not, 0 },
{ "-flags", c_flags, f_flags, 0 },
{ "-follow", c_follow, f_always_true, 0 },
/*
* NetBSD doesn't provide a getvfsbyname(), so this option
* is not available if using a NetBSD kernel.
*/
#if !defined(__NetBSD__)
{ "-fstype", c_fstype, f_fstype, 0 },
#endif
{ "-group", c_group, f_group, 0 },
{ "-iname", c_name, f_name, F_IGNCASE },
{ "-inum", c_inum, f_inum, 0 },
{ "-ipath", c_name, f_path, F_IGNCASE },
{ "-iregex", c_regex, f_regex, F_IGNCASE },
{ "-links", c_links, f_links, 0 },
{ "-ls", c_ls, f_ls, 0 },
{ "-maxdepth", c_mXXdepth, f_always_true, F_MAXDEPTH },
{ "-mindepth", c_mXXdepth, f_always_true, 0 },
{ "-mmin", c_Xmin, f_Xmin, 0 },
{ "-mnewer", c_newer, f_newer, 0 },
{ "-mtime", c_Xtime, f_Xtime, 0 },
{ "-name", c_name, f_name, 0 },
{ "-newer", c_newer, f_newer, 0 },
{ "-neweraa", c_newer, f_newer, F_TIME_A | F_TIME2_A },
{ "-newerac", c_newer, f_newer, F_TIME_A | F_TIME2_C },
{ "-neweram", c_newer, f_newer, F_TIME_A },
{ "-newerat", c_newer, f_newer, F_TIME_A | F_TIME2_T },
{ "-newerca", c_newer, f_newer, F_TIME_C | F_TIME2_A },
{ "-newercc", c_newer, f_newer, F_TIME_C | F_TIME2_C },
{ "-newercm", c_newer, f_newer, F_TIME_C },
{ "-newerct", c_newer, f_newer, F_TIME_C | F_TIME2_T },
{ "-newerma", c_newer, f_newer, F_TIME2_A },
{ "-newermc", c_newer, f_newer, F_TIME2_C },
{ "-newermm", c_newer, f_newer, 0 },
{ "-newermt", c_newer, f_newer, F_TIME2_T },
{ "-nogroup", c_nogroup, f_nogroup, 0 },
{ "-nouser", c_nouser, f_nouser, 0 },
{ "-not", c_simple, f_not, 0 },
{ "-o", c_simple, f_or, 0 },
{ "-ok", c_exec, f_exec, F_NEEDOK },
{ "-okdir", c_exec, f_exec, F_NEEDOK | F_EXECDIR },
{ "-or", c_simple, f_or, 0 },
{ "-path", c_name, f_path, 0 },
{ "-perm", c_perm, f_perm, 0 },
{ "-print", c_print, f_print, 0 },
{ "-print0", c_print, f_print0, 0 },
{ "-prune", c_simple, f_prune, 0 },
{ "-regex", c_regex, f_regex, 0 },
{ "-size", c_size, f_size, 0 },
{ "-type", c_type, f_type, 0 },
{ "-user", c_user, f_user, 0 },
{ "-xdev", c_xdev, f_always_true, 0 },
};
/*
* 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;
{
OPTION *p;
PLAN *new;
char **argv;
argv = *argvp;
if ((p = lookup_option(*argv)) == NULL)
errx(1, "%s: unknown option", *argv);
++argv;
new = (p->create)(p, &argv);
*argvp = argv;
return (new);
}
OPTION *
lookup_option(name)
const char *name;
{
OPTION tmp;
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(((const OPTION *)a)->name, ((const OPTION *)b)->name));
}