/* * 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> 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) u_int size; { char *retval, *malloc(); if (!(retval = malloc(size))) nomem(); return(retval); } nomem() { (void)fprintf(stderr, "ls: out of memory.\n"); exit(1); } usage() { (void)fprintf(stderr, "usage: ls [-1ACFLRacdfgiklqrstu] [file ...]\n"); exit(1); }