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Annotation of 43BSDReno/bin/ls/util.c, revision 1.1.1.1

1.1       root        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 are permitted
                      9:  * provided that: (1) source distributions retain this entire copyright
                     10:  * notice and comment, and (2) distributions including binaries display
                     11:  * the following acknowledgement:  ``This product includes software
                     12:  * developed by the University of California, Berkeley and its contributors''
                     13:  * in the documentation or other materials provided with the distribution
                     14:  * and in all advertising materials mentioning features or use of this
                     15:  * software. Neither the name of the University nor the names of its
                     16:  * contributors may be used to endorse or promote products derived
                     17:  * from this software without specific prior written permission.
                     18:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     19:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     20:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     21:  */
                     22: 
                     23: #ifndef lint
                     24: static char sccsid[] = "@(#)util.c     5.7 (Berkeley) 4/8/90";
                     25: #endif /* not lint */
                     26: 
                     27: #include <sys/types.h>
                     28: #include <stdio.h>
                     29: #include <ctype.h>
                     30: 
                     31: prcopy(src, dest, len)
                     32:        register char *src, *dest;
                     33:        register int len;
                     34: {
                     35:        register int ch;
                     36: 
                     37:        while(len--) {
                     38:                ch = *src++;
                     39:                *dest++ = isprint(ch) ? ch : '?';
                     40:        }
                     41: }
                     42: 
                     43: char
                     44: *emalloc(size)
                     45:        u_int size;
                     46: {
                     47:        char *retval, *malloc();
                     48: 
                     49:        if (!(retval = malloc(size)))
                     50:                nomem();
                     51:        return(retval);
                     52: }
                     53: 
                     54: nomem()
                     55: {
                     56:        (void)fprintf(stderr, "ls: out of memory.\n");
                     57:        exit(1);
                     58: }
                     59: 
                     60: usage()
                     61: {
                     62:        (void)fprintf(stderr, "usage: ls [-1ACFLRacdfgiklqrstu] [file ...]\n");
                     63:        exit(1);
                     64: }

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