diff options
Diffstat (limited to 'shell_cmds/find/option.c')
| -rw-r--r-- | shell_cmds/find/option.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/shell_cmds/find/option.c b/shell_cmds/find/option.c new file mode 100644 index 0000000..5771da4 --- /dev/null +++ b/shell_cmds/find/option.c @@ -0,0 +1,201 @@ +/*- + * 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. + * 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: src/usr.bin/find/option.c,v 1.32 2011/05/27 22:14:49 jilles Exp $"); + +#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" + +static int typecompare(const void *, const void *); + +/* NB: the following table must be sorted lexically. */ +/* Options listed with C++ comments are in gnu find, but not our find */ +static OPTION const options[] = { + { "!", c_simple, f_not, 0 }, + { "(", c_simple, f_openparen, 0 }, + { ")", c_simple, f_closeparen, 0 }, + { "-Bmin", c_Xmin, f_Xmin, F_TIME_B }, + { "-Bnewer", c_newer, f_newer, F_TIME_B }, + { "-Btime", c_Xtime, f_Xtime, F_TIME_B }, + { "-a", c_and, NULL, 0 }, + { "-acl", c_acl, f_acl, 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 }, + { "-d", c_depth, f_depth, 0 }, +// -daystart + { "-delete", c_delete, f_delete, 0 }, + { "-depth", c_depth, f_depth, 0 }, + { "-empty", c_empty, f_empty, 0 }, + { "-exec", c_exec, f_exec, 0 }, + { "-execdir", c_exec, f_exec, F_EXECDIR }, + { "-false", c_simple, f_false, 0 }, + { "-flags", c_flags, f_flags, 0 }, +// -fls + { "-follow", c_follow, f_always_true, 0 }, +// -fprint +// -fprint0 +// -fprintf + { "-fstype", c_fstype, f_fstype, 0 }, + { "-gid", c_group, f_group, 0 }, + { "-group", c_group, f_group, 0 }, + { "-ignore_readdir_race",c_simple, f_always_true,0 }, + { "-ilname", c_name, f_name, F_LINK | F_IGNCASE }, + { "-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 }, + { "-iwholename",c_name, f_path, F_IGNCASE }, + { "-links", c_links, f_links, 0 }, + { "-lname", c_name, f_name, F_LINK }, + { "-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 }, + { "-mount", c_xdev, f_always_true, 0 }, + { "-mtime", c_Xtime, f_Xtime, 0 }, + { "-name", c_name, f_name, 0 }, + { "-newer", c_newer, f_newer, 0 }, + { "-newerBB", c_newer, f_newer, F_TIME_B | F_TIME2_B }, + { "-newerBa", c_newer, f_newer, F_TIME_B | F_TIME2_A }, + { "-newerBc", c_newer, f_newer, F_TIME_B | F_TIME2_C }, + { "-newerBm", c_newer, f_newer, F_TIME_B }, + { "-newerBt", c_newer, f_newer, F_TIME_B | F_TIME2_T }, + { "-neweraB", c_newer, f_newer, F_TIME_A | F_TIME2_B }, + { "-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 }, + { "-newercB", c_newer, f_newer, F_TIME_C | F_TIME2_B }, + { "-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 }, + { "-newermB", c_newer, f_newer, F_TIME2_B }, + { "-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 }, + { "-noignore_readdir_race",c_simple, f_always_true,0 }, + { "-noleaf", c_simple, f_always_true, 0 }, + { "-not", c_simple, f_not, 0 }, + { "-nouser", c_nouser, f_nouser, 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 }, +// -printf + { "-prune", c_simple, f_prune, 0 }, + { "-quit", c_simple, f_quit, 0 }, + { "-regex", c_regex, f_regex, 0 }, + { "-samefile", c_samefile, f_inum, 0 }, + { "-size", c_size, f_size, 0 }, + { "-true", c_simple, f_always_true, 0 }, + { "-type", c_type, f_type, 0 }, + { "-uid", c_user, f_user, 0 }, + { "-user", c_user, f_user, 0 }, + { "-wholename", c_name, f_path, 0 }, +#ifdef __APPLE__ + { "-xattr", c_simple, f_xattr, 0 }, + { "-xattrname", c_name, f_xattrname, 0 }, +#endif /* __APPLE__ */ + { "-xdev", c_xdev, f_always_true, 0 }, +// -xtype +}; + +/* + * 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(char ***argvp) +{ + OPTION *p; + PLAN *new; + char **argv; + + argv = *argvp; + + if ((p = lookup_option(*argv)) == NULL) + errx(1, "%s: unknown primary or operator", *argv); + ++argv; + + new = (p->create)(p, &argv); + *argvp = argv; + return (new); +} + +OPTION * +lookup_option(const char *name) +{ + OPTION tmp; + + tmp.name = name; + return ((OPTION *)bsearch(&tmp, options, + sizeof(options)/sizeof(OPTION), sizeof(OPTION), typecompare)); +} + +static int +typecompare(const void *a, const void *b) +{ + return (strcmp(((const OPTION *)a)->name, ((const OPTION *)b)->name)); +} |