FreeCalypso > hg > freecalypso-tools

annotate uptools/libcoding/decode_helpers.c @ 814:214d4c1c7387

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
rvinterf/include/etm.h: add ETM_BSIM
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 14 May 2021 07:17:50 +0000
parents 1c599681fd60
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
328
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This library module implements the is_decoded_char_ok() and emit_utf8_char()
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * functions used by gsm7_to_ascii_or_ext() and ucs2_to_ascii_or_ext().
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 */
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <sys/types.h>
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 is_decoded_char_ok(uni, ascii_ext)
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 unsigned uni;
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 {
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 unsigned upper_limit;
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 /* weed out control chars first */
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 if (uni < 0x20)
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 return(0);
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 if (uni >= 0x7F && uni <= 0x9F)
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 return(0);
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 /* see what range our output encoding allows */
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 switch (ascii_ext) {
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 case 0:
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 upper_limit = 0x7F;
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 break;
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 case 1:
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 upper_limit = 0xFF;
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 break;
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 case 2:
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 upper_limit = 0xFFFF;
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 break;
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 default:
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 upper_limit = 0;
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 }
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 if (uni <= upper_limit)
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 return(1);
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 else
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 return(0);
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 }
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 emit_utf8_char(uni, outp)
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 unsigned uni;
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 u_char *outp;
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 {
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 if (uni < 0x80) {
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 *outp = uni;
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 return(1);
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 }
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 if (uni < 0x800) {
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 outp[0] = 0xC0 | (uni >> 6);
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 outp[1] = 0x80 | (uni & 0x3F);
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 return(2);
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 }
802
1c599681fd60 pcm-sms-decode & sms-pdu-decode: revamp bad char decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 328
diff changeset
51 if (uni < 0x10000) {
1c599681fd60 pcm-sms-decode & sms-pdu-decode: revamp bad char decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 328
diff changeset
52 outp[0] = 0xE0 | (uni >> 12);
1c599681fd60 pcm-sms-decode & sms-pdu-decode: revamp bad char decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 328
diff changeset
53 outp[1] = 0x80 | ((uni >> 6) & 0x3F);
1c599681fd60 pcm-sms-decode & sms-pdu-decode: revamp bad char decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 328
diff changeset
54 outp[2] = 0x80 | (uni & 0x3F);
1c599681fd60 pcm-sms-decode & sms-pdu-decode: revamp bad char decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 328
diff changeset
55 return(3);
1c599681fd60 pcm-sms-decode & sms-pdu-decode: revamp bad char decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 328
diff changeset
56 }
1c599681fd60 pcm-sms-decode & sms-pdu-decode: revamp bad char decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 328
diff changeset
57 outp[0] = 0xF0 | (uni >> 18);
1c599681fd60 pcm-sms-decode & sms-pdu-decode: revamp bad char decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 328
diff changeset
58 outp[1] = 0x80 | ((uni >> 12) & 0x3F);
1c599681fd60 pcm-sms-decode & sms-pdu-decode: revamp bad char decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 328
diff changeset
59 outp[2] = 0x80 | ((uni >> 6) & 0x3F);
1c599681fd60 pcm-sms-decode & sms-pdu-decode: revamp bad char decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 328
diff changeset
60 outp[3] = 0x80 | (uni & 0x3F);
1c599681fd60 pcm-sms-decode & sms-pdu-decode: revamp bad char decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 328
diff changeset
61 return(4);
328
978571e23318 uptools started with libcoding
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 }