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