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- /*
- * Copyright (c) 1989 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Michael Fischbein.
- *
- * 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[] = "@(#)util.c 5.12 (Berkeley) 3/9/92";
- #endif /* not lint */
-
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <ctype.h>
- #include <fts.h>
- #include <errno.h>
- #include <string.h>
- #include "ls.h"
- #include "extern.h"
-
- void
- prcopy(src, dest, len)
- register char *src, *dest;
- register int len;
- {
- register int ch;
-
- while(len--) {
- ch = *src++;
- *dest++ = isprint(ch) ? ch : '?';
- }
- }
-
- void
- usage()
- {
- (void)fprintf(stderr, "usage: ls [-1ACFLRTacdfiklqrstu] [file ...]\n");
- exit(1);
- }
-
- #if __STDC__
- #include <stdarg.h>
- #else
- #include <varargs.h>
- #endif
-
- void
- #if __STDC__
- err(int fatal, const char *fmt, ...)
- #else
- err(fatal, fmt, va_alist)
- int fatal;
- char *fmt;
- va_dcl
- #endif
- {
- va_list ap;
- #if __STDC__
- va_start(ap, fmt);
- #else
- va_start(ap);
- #endif
- (void)fprintf(stderr, "ls: ");
- (void)vfprintf(stderr, fmt, ap);
- va_end(ap);
- (void)fprintf(stderr, "\n");
- if (fatal)
- exit(1);
- }
-