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util.c revision 1.5 
      1 /*
      2  * Copyright (c) 1989 The Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * This code is derived from software contributed to Berkeley by
      6  * Michael Fischbein.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by the University of
     19  *	California, Berkeley and its contributors.
     20  * 4. Neither the name of the University nor the names of its contributors
     21  *    may be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  */
     36 
     37 #ifndef lint
     38 /*static char sccsid[] = "from: @(#)util.c	5.12 (Berkeley) 3/9/92";*/
     39 static char rcsid[] = "$Id: util.c,v 1.5 1993/08/07 03:57:05 mycroft Exp $";
     40 #endif /* not lint */
     41 
     42 #include <sys/types.h>
     43 #include <sys/stat.h>
     44 #include <stdio.h>
     45 #include <stdlib.h>
     46 #include <ctype.h>
     47 #include <fts.h>
     48 #include <errno.h>
     49 #include <string.h>
     50 #include "ls.h"
     51 #include "extern.h"
     52 
     53 void
     54 prcopy(src, dest, len)
     55 	register char *src, *dest;
     56 	register int len;
     57 {
     58 	register int ch;
     59 
     60 	while(len--) {
     61 		ch = *src++;
     62 		*dest++ = isprint(ch) ? ch : '?';
     63 	}
     64 }
     65 
     66 void
     67 usage()
     68 {
     69 	(void)fprintf(stderr, "usage: ls [-1ACFLRTacdfiklqrstu] [file ...]\n");
     70 	exit(1);
     71 }
     72 
     73 #if __STDC__
     74 #include <stdarg.h>
     75 #else
     76 #include <varargs.h>
     77 #endif
     78 
     79 void
     80 #if __STDC__
     81 err(int fatal, const char *fmt, ...)
     82 #else
     83 err(fatal, fmt, va_alist)
     84 	int fatal;
     85 	char *fmt;
     86 	va_dcl
     87 #endif
     88 {
     89 	va_list ap;
     90 #if __STDC__
     91 	va_start(ap, fmt);
     92 #else
     93 	va_start(ap);
     94 #endif
     95 	(void)fprintf(stderr, "ls: ");
     96 	(void)vfprintf(stderr, fmt, ap);
     97 	va_end(ap);
     98 	(void)fprintf(stderr, "\n");
     99 	if (fatal)
    100 		exit(1);
    101 }
    102