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- /*-
- * Copyright (c) 1990 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 5.8 (Berkeley) 6/4/91";
- #endif /* not lint */
-
- #ifdef DF_POSIX /* DF_MSS */
- #include <misc.h>
- #include <bsdlib.h>
- #endif
-
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <fts.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include "find.h"
- #ifndef WIN_NT
-
- typedef struct _option {
- char *name; /* option name */
- enum ntype token; /* token type */
- PLAN *(*create)(); /* create function */
- #define O_NONE 0x01 /* no call required */
- #define O_ZERO 0x02 /* pass: nothing */
- #define O_ARGV 0x04 /* pass: argv, increment argv */
- #define O_ARGVP 0x08 /* pass: *argv, N_OK || N_EXEC */
- int flags;
- } OPTION;
- #endif
-
- 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,
- "-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,
- { NULL },
- };
- #if WIN_NT
-
- int typecompare __P((const void *, const void *));
- extern void deglobulate __P((void));
- extern pid_t ppid;
- extern int globulation;
- #endif
-
- /*
- * 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 *
- #if __STDC__
- find_create (char ***argvp)
- #else
- find_create(argvp)
- char ***argvp;
- #endif
- {
- register OPTION *p;
- PLAN *new;
- char **argv;
- OPTION *option __P((char *));
-
- argv = *argvp;
-
- if ((p = option(*argv)) == NULL) {
- (void)fprintf(stderr, "find: unknown option %s.\n", *argv);
- #if WIN_NT
- if (ppid == (pid_t) 1 && globulation == 0)
- deglobulate();
- #endif
- exit(EXIT_FAILURE);
- }
- ++argv;
- if (p->flags & (O_ARGV|O_ARGVP) && !*argv) {
- (void)fprintf(stderr,
- "find: %s requires additional arguments.\n", *--argv);
- #if WIN_NT
- if (ppid == (pid_t) 1 && globulation == 0)
- deglobulate();
- #endif
- exit(EXIT_FAILURE);
- }
-
- 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;
- }
- *argvp = argv;
- return(new);
- }
-
- OPTION *
- #if __STDC__
- option (char *name)
- #else
- option(name)
- char *name;
- #endif
- {
- OPTION tmp;
- #ifndef WIN_NT
- int typecompare __P((const void *, const void *));
- #endif
-
- tmp.name = name;
-
- return ((OPTION *) bsearch(&tmp, options,
- sizeof(options)/sizeof(OPTION), sizeof(OPTION), typecompare));
- }
-
- int
- #if __STDC__
- typecompare (const void *a, const void *b)
- #else
- typecompare(a, b)
- const void *a, *b;
- #endif
- {
- #ifndef WIN_NT
- int ret;
-
- #endif
- #if DF_POSIX
- if (((OPTION *)a)->name == NULL || ((OPTION *)b)->name == NULL) /* DF_DSC: because strcmp hangs if ptr == NULL */
- return 1;
- #endif
- return (strcmp(((OPTION *)a)->name, ((OPTION *)b)->name));
- }
-