Commit | Line | Data |
---|---|---|
63332977 KB |
1 | /* |
2 | * Copyright (c) 1989 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
eeb191cb KB |
5 | * This code is derived from software contributed to Berkeley by |
6 | * Michael Fischbein. | |
7 | * | |
63332977 KB |
8 | * Redistribution and use in source and binary forms are permitted |
9 | * provided that the above copyright notice and this paragraph are | |
10 | * duplicated in all such forms and that any documentation, | |
11 | * advertising materials, and other materials related to such | |
12 | * distribution and use acknowledge that the software was developed | |
13 | * by the University of California, Berkeley. The name of the | |
14 | * University may not be used to endorse or promote products derived | |
15 | * from this software without specific prior written permission. | |
16 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
17 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
19 | */ | |
20 | ||
21 | #ifndef lint | |
f066c6c9 | 22 | static char sccsid[] = "@(#)util.c 5.3 (Berkeley) %G%"; |
63332977 KB |
23 | #endif /* not lint */ |
24 | ||
25 | #include <sys/types.h> | |
26 | #include <stdio.h> | |
27 | #include <ctype.h> | |
28 | ||
f066c6c9 KB |
29 | prcopy(src, dest, len) |
30 | register char *src, *dest; | |
63332977 | 31 | register int len; |
f066c6c9 KB |
32 | { |
33 | register int ch; | |
63332977 | 34 | |
f066c6c9 KB |
35 | while(len--) { |
36 | ch = *src++; | |
37 | *dest++ = isprint(ch) ? ch : '?'; | |
38 | } | |
63332977 KB |
39 | } |
40 | ||
41 | char | |
42 | *emalloc(size) | |
43 | u_int size; | |
44 | { | |
45 | char *retval, *malloc(); | |
46 | ||
47 | if (!(retval = malloc(size))) | |
48 | nomem(); | |
49 | return(retval); | |
50 | } | |
51 | ||
52 | nomem() | |
53 | { | |
54 | (void)fprintf(stderr, "ls: out of memory.\n"); | |
55 | exit(1); | |
56 | } | |
57 | ||
58 | usage() | |
59 | { | |
60 | (void)fprintf(stderr, "usage: ls [-1ACFLRacdfgilqrstu] [file ...]\n"); | |
61 | exit(1); | |
62 | } |