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[unix-history] / usr / src / usr.bin / find / main.c

/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* %sccs.include.redist.c%
*/

#ifndef lint
static char sccsid[] = "@(#)main.c      5.9 (Berkeley) %G%";
#endif /* not lint */

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <time.h>
#include <fts.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include "find.h"

time_t now;                     /* time find was run */
int dotfd;                      /* starting directory */
int ftsoptions;                 /* options for the ftsopen(3) call */
int isdeprecated;               /* using deprecated syntax */
int isdepth;                    /* do directories on post-order visit */
int isoutput;                   /* user specified output operator */
int isxargs;                    /* don't permit xargs delimiting chars */

static void usage();

main(argc, argv)
       int argc;
       char **argv;
{
       register char **p, **start;
       PLAN *find_formplan();
       int ch;

       (void)time(&now);       /* initialize the time-of-day */

       p = start = argv;
       ftsoptions = FTS_NOSTAT|FTS_PHYSICAL;
       while ((ch = getopt(argc, argv, "df:sXx")) != EOF)
               switch(ch) {
               case 'd':
                       isdepth = 1;
                       break;
               case 'f':
                       *p++ = optarg;
                       break;
               case 's':
                       ftsoptions &= ~FTS_PHYSICAL;
                       ftsoptions |= FTS_LOGICAL;
                       break;
               case 'X':
                       isxargs = 1;
                       break;
               case 'x':
                       ftsoptions &= ~FTS_NOSTAT;
                       ftsoptions |= FTS_XDEV;
                       break;
               case '?':
               default:
                       break;
               }

       argc -= optind; 
       argv += optind;

       /* Find first option to delimit the file list. */
       while (*argv) {
               if (option(*argv))
                       break;
               *p++ = *argv++;
       }

       if (p == start)
               usage();
       *p = NULL;

       if ((dotfd = open(".", O_RDONLY, 0)) < 0)
               err(".: %s", strerror(errno));

       find_execute(find_formplan(argv), start);
}

static void
usage()
{
       (void)fprintf(stderr,
           "usage: find [-dsXx] [-f file] [file ...] expression\n");
       exit(1);
}