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3039efcc WJ |
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, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * 1. Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * 2. Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in the | |
15 | * documentation and/or other materials provided with the distribution. | |
16 | * 3. All advertising materials mentioning features or use of this software | |
17 | * must display the following acknowledgement: | |
18 | * This product includes software developed by the University of | |
19 | * California, Berkeley and its contributors. | |
20 | * 4. Neither the name of the University nor the names of its contributors | |
21 | * may be used to endorse or promote products derived from this software | |
22 | * without specific prior written permission. | |
23 | * | |
24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
34 | * SUCH DAMAGE. | |
35 | */ | |
36 | ||
37 | #ifndef lint | |
38 | static char sccsid[] = "@(#)util.c 5.8 (Berkeley) 7/22/90"; | |
39 | #endif /* not lint */ | |
40 | ||
41 | #include <sys/types.h> | |
42 | #include <stdio.h> | |
43 | #include <ctype.h> | |
44 | ||
45 | prcopy(src, dest, len) | |
46 | register char *src, *dest; | |
47 | register int len; | |
48 | { | |
49 | register int ch; | |
50 | ||
51 | while(len--) { | |
52 | ch = *src++; | |
53 | *dest++ = isprint(ch) ? ch : '?'; | |
54 | } | |
55 | } | |
56 | ||
57 | char | |
58 | *emalloc(size) | |
59 | u_int size; | |
60 | { | |
61 | char *retval, *malloc(); | |
62 | ||
63 | if (!(retval = malloc(size))) | |
64 | nomem(); | |
65 | return(retval); | |
66 | } | |
67 | ||
68 | nomem() | |
69 | { | |
70 | (void)fprintf(stderr, "ls: out of memory.\n"); | |
71 | exit(1); | |
72 | } | |
73 | ||
74 | usage() | |
75 | { | |
76 | (void)fprintf(stderr, "usage: ls [-1ACFLRTacdfgiklqrstu] [file ...]\n"); | |
77 | exit(1); | |
78 | } |