35104de52f
the case of zero length arguments.
133 lines
3.7 KiB
C
133 lines
3.7 KiB
C
/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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/*static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/6/93";*/
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static char rcsid[] = "$Id: main.c,v 1.5 1994/01/24 23:08:15 jtc Exp $";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <fts.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include "find.h"
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time_t now; /* time find was run */
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int dotfd; /* starting directory */
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int ftsoptions; /* options for the ftsopen(3) call */
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int isdeprecated; /* using deprecated syntax */
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int isdepth; /* do directories on post-order visit */
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int isoutput; /* user specified output operator */
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int isxargs; /* don't permit xargs delimiting chars */
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static void usage __P((void));
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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register char **p, **start;
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int ch;
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(void)time(&now); /* initialize the time-of-day */
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p = start = argv;
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ftsoptions = FTS_NOSTAT|FTS_PHYSICAL;
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while ((ch = getopt(argc, argv, "Hdf:hXx")) != EOF)
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switch(ch) {
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case 'H':
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ftsoptions |= FTS_COMFOLLOW;
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break;
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case 'd':
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isdepth = 1;
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break;
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case 'f':
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*p++ = optarg;
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break;
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case 'h':
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ftsoptions &= ~FTS_PHYSICAL;
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ftsoptions |= FTS_LOGICAL;
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break;
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case 'X':
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isxargs = 1;
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break;
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case 'x':
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ftsoptions &= ~FTS_NOSTAT;
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ftsoptions |= FTS_XDEV;
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break;
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case '?':
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default:
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break;
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}
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argc -= optind;
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argv += optind;
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/* The first argument that starts with a -, or is a ! or a (, and all
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* subsequent arguments shall be interpreted as an expression ...
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* (POSIX.2).
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*/
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while (*argv) {
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if (**argv == '-' ||
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((**argv == '!' || **argv == '(') && (*argv)[1] == '\0'))
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break;
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*p++ = *argv++;
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}
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if (p == start)
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usage();
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*p = NULL;
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if ((dotfd = open(".", O_RDONLY, 0)) < 0)
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err(1, ".:");
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find_execute(find_formplan(argv), start);
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exit(0);
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}
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static void
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usage()
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{
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(void)fprintf(stderr,
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"usage: find [-HdhXx] [-f file] [file ...] expression\n");
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exit(1);
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}
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