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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 are permitted
- * provided that: (1) source distributions retain this entire copyright
- * notice and comment, and (2) distributions including binaries display
- * the following acknowledgement: ``This product includes software
- * developed by the University of California, Berkeley and its contributors''
- * in the documentation or other materials provided with the distribution
- * and in all advertising materials mentioning features or use of this
- * software. 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)util.c 5.7 (Berkeley) 4/8/90";
- #endif /* not lint */
-
- #include <sys/types.h>
- #include <stdio.h>
- #include <ctype.h>
- #include "tweak.h"
-
- prcopy(src, dest, len)
- register char *src, *dest;
- register int len;
- {
- register int ch;
-
- while(len--) {
- ch = *src++;
- *dest++ = isprint(ch) ? ch : '?';
- }
- }
-
- char
- *emalloc(size)
- unsigned int size;
- {
- char *retval, *malloc();
-
- if (!(retval = malloc(size)))
- nomem();
- return(retval);
- }
-
- nomem()
- {
- (void)fprintf(stderr, "ls: out of memory.\n");
- ls_bad(1);
- }
-
- usage()
- {
- (void)fprintf(stderr, "usage: ls [-1ACFLRacdfgiklqrstu] [file ...]\n");
- ls_bad(1);
- }
-