xref: /titanic_50/usr/src/lib/iconv_modules/utf-8/utils/number_of_bytes.c (revision 880d797826457b77414b37d531cc3e1aa166ecbe)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright (c) 1998 by Sun Microsystems, Inc.
23  * All rights reserved.
24  *
25  * This particular program generates a table that contains the number of
26  * bytes in a UTF-8 character by only examining the leading byte of a UTF-8
27  * character.
28  */
29 
30 
31 
32 #include <stdio.h>
33 #include "../common_defs.h"
34 
main()35 main()
36 {
37 	int i;
38 	int k, l;
39 
40 	for (i = 0; i <= 0xff; i++) {
41 		if (i <= 0x7f)
42 			k = 1;
43 		else if (i >= 0xc0 && i <= 0xdf)
44 			k = 2;
45 		else if (i >= 0xe0 && i <= 0xef)
46 			k = 3;
47 		else if (i >= 0xf0 && i <= 0xf7)
48 			k = 4;
49 		else if (i >= 0xf8 && i <= 0xfb)
50 			k = 5;
51 		else if (i >= 0xfc && i <= 0xfd)
52 			k = 6;
53 		else
54 			k = ICV_TYPE_ILLEGAL_CHAR; /* illegal char */
55 
56 		if (i == 0 || (i % 16 == 0)) {
57 			if (i < 0x80)
58 				printf("\n\t");
59 			else {
60 				printf("\n\n    /*  ");
61 				for (l = i; l < (i + 16); l++)
62 					printf("%02X  ", l);
63 				printf("*/\n\t");
64 			}
65 		}
66 		if (k < 0)
67 			printf("%d, ", k);
68 		else
69 			printf(" %d, ", k);
70 	}
71 
72 	printf("\n");
73 }
74