/* $NetBSD: option.c,v 1.29 2021/08/09 20:49:10 andvar Exp $ */ /*- * 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. 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. */ #include #ifndef lint #if 0 static char sccsid[] = "from: @(#)option.c 8.2 (Berkeley) 4/16/94"; #else __RCSID("$NetBSD: option.c,v 1.29 2021/08/09 20:49:10 andvar Exp $"); #endif #endif /* not lint */ #include #include #include #include #include #include #include #include "find.h" int typecompare(const void *, const void *); static OPTION *option(char *); /* NB: the following table must be sorted lexically. */ static OPTION const options[] = { { "!", N_NOT, c_not, 0 }, { "(", N_OPENPAREN, c_openparen, 0 }, { ")", N_CLOSEPAREN, c_closeparen, 0 }, { "-a", N_AND, c_null, 0 }, { "-amin", N_AMIN, c_amin, 1 }, { "-and", N_AND, c_null, 0 }, { "-anewer", N_ANEWER, c_anewer, 1 }, { "-asince", N_ASINCE, c_asince, 1 }, { "-atime", N_ATIME, c_atime, 1 }, { "-cmin", N_CMIN, c_cmin, 1 }, { "-cnewer", N_CNEWER, c_cnewer, 1 }, { "-csince", N_CSINCE, c_csince, 1 }, { "-ctime", N_CTIME, c_ctime, 1 }, { "-delete", N_DELETE, c_delete, 0 }, { "-depth", N_DEPTH, c_depth, 0 }, { "-empty", N_EMPTY, c_empty, 0 }, { "-exec", N_EXEC, c_exec, 1 }, { "-execdir", N_EXECDIR, c_execdir, 1 }, { "-exit", N_EXIT, c_exit, 0 }, { "-false", N_FALSE, c_false, 0 }, { "-flags", N_FLAGS, c_flags, 1 }, { "-follow", N_FOLLOW, c_follow, 0 }, { "-fprint", N_FPRINT, c_fprint, 1 }, { "-fstype", N_FSTYPE, c_fstype, 1 }, { "-group", N_GROUP, c_group, 1 }, { "-iname", N_INAME, c_iname, 1 }, { "-inum", N_INUM, c_inum, 1 }, { "-iregex", N_IREGEX, c_iregex, 1 }, { "-links", N_LINKS, c_links, 1 }, { "-ls", N_LS, c_ls, 0 }, { "-maxdepth", N_MAXDEPTH, c_maxdepth, 1 }, { "-mindepth", N_MINDEPTH, c_mindepth, 1 }, { "-mmin", N_MMIN, c_mmin, 1 }, { "-mtime", N_MTIME, c_mtime, 1 }, { "-name", N_NAME, c_name, 1 }, { "-newer", N_NEWER, c_newer, 1 }, /* Aliases for compatibility with Gnu findutils */ { "-neweraa", N_ANEWER, c_anewer, 1 }, { "-newerat", N_ASINCE, c_asince, 1 }, { "-newercc", N_CNEWER, c_cnewer, 1 }, { "-newerct", N_CSINCE, c_csince, 1 }, { "-newermm", N_NEWER, c_newer, 1 }, { "-newermt", N_SINCE, c_since, 1 }, /* * Unimplemented Gnu findutils options * * If you implement any of these, be sure to re-sort the table * in ascii(7) order! * { "-newerBB", N_UNIMPL, c_unimpl, 1 }, { "-newerBa", N_UNIMPL, c_unimpl, 1 }, { "-newerBc", N_UNIMPL, c_unimpl, 1 }, { "-newerBm", N_UNIMPL, c_unimpl, 1 }, { "-newerBt", N_UNIMPL, c_unimpl, 1 }, { "-neweraB", N_UNIMPL, c_unimpl, 1 }, { "-newerac", N_UNIMPL, c_unimpl, 1 }, { "-neweram", N_UNIMPL, c_unimpl, 1 }, { "-newerca", N_UNIMPL, c_unimpl, 1 }, { "-newercm", N_UNIMPL, c_unimpl, 1 }, { "-newercB", N_UNIMPL, c_unimpl, 1 }, { "-newermB", N_UNIMPL, c_unimpl, 1 }, { "-newerma", N_UNIMPL, c_unimpl, 1 }, { "-newermc", N_UNIMPL, c_unimpl, 1 }, * */ { "-nogroup", N_NOGROUP, c_nogroup, 0 }, /* Alias for compatibility with Gnu findutils */ { "-not", N_NOT, c_not, 0 }, { "-nouser", N_NOUSER, c_nouser, 0 }, { "-o", N_OR, c_or, 0 }, { "-ok", N_OK, c_exec, 1 }, { "-or", N_OR, c_or, 0 }, { "-path", N_PATH, c_path, 1 }, { "-perm", N_PERM, c_perm, 1 }, { "-print", N_PRINT, c_print, 0 }, { "-print0", N_PRINT0, c_print0, 0 }, { "-printx", N_PRINTX, c_printx, 0 }, { "-prune", N_PRUNE, c_prune, 0 }, { "-regex", N_REGEX, c_regex, 1 }, { "-rm", N_DELETE, c_delete, 0 }, { "-since", N_SINCE, c_since, 1 }, { "-size", N_SIZE, c_size, 1 }, { "-type", N_TYPE, c_type, 1 }, { "-user", N_USER, c_user, 1 }, { "-xdev", N_XDEV, c_xdev, 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(char ***argvp) { OPTION *p; PLAN *new; char **argv; char *opt; argv = *argvp; opt = *argv; if ((p = option(opt)) == NULL) errx(1, "%s: unknown option", opt); ++argv; if (p->arg && !*argv) errx(1, "%s: requires additional arguments", opt); new = (p->create)(&argv, p->token == N_OK, opt); *argvp = argv; return (new); } static OPTION * option(char *name) { OPTION tmp; tmp.name = name; return ((OPTION *)bsearch(&tmp, options, sizeof(options)/sizeof(OPTION), sizeof(OPTION), typecompare)); } int typecompare(const void *a, const void *b) { return (strcmp(((const OPTION *)a)->name, ((const OPTION *)b)->name)); }