61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/*
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* Copyright (c) 1989 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Michael Fischbein.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that: (1) source distributions retain this entire copyright
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* notice and comment, and (2) distributions including binaries display
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* the following acknowledgement: ``This product includes software
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* developed by the University of California, Berkeley and its contributors''
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* in the documentation or other materials provided with the distribution
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* and in all advertising materials mentioning features or use of this
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* software. Neither the name of the University nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include "tweak.h"
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#include "common_def.h"
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#include <ctype.h>
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#include <stdlib.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "ls.h"
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void prcopy (char * src, char * dest, int len)
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{
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register int ch;
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while(len--) {
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ch = *src++;
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*dest++ = isprint(ch) ? ch : '?';
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}
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}
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void nomem (void)
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{
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(void)fprintf(stderr, "ls: out of memory.\n");
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ls_bad(1);
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}
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char *emalloc (int size)
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{
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char *retval;
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if (!(retval = malloc(size))) nomem();
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return(retval);
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}
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void usage (void)
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{
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(void)fprintf(stderr, "usage: ls [-1ACFLRacdfgiklqrstu] [file ...]\n");
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ls_bad(1);
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}
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