1 /*
2 Copyright (C) 2015-2021, Dirk Krause
3 SPDX-License-Identifier: BSD-3-Clause
4 */
5
6 /*
7 WARNING: This file was generated by the dkct program (see
8 http://dktools.sourceforge.net/ for details).
9 Changes you make here will be lost if dkct is run again!
10 You should modify the original source and run dkct on it.
11 Original source: dk4rec02.ctr
12 */
13
14 /** @file dk4rec02.c The dk4rec02 module.
15 */
16
17
18 #include "dk4conf.h"
19 #include <libdk4c/dk4rec02.h>
20 #include <libdk4c/dk4ansi.h>
21
22 #if DK4_HAVE_ASSERT_H
23 #ifndef ASSERT_H_INCLUDED
24 #include <assert.h>
25 #define ASSERT_H_INCLUDED 1
26 #endif
27 #endif
28
29
30 int
dk4recode_ansi_to_ascii(char * dstb,size_t szdstb,const char * src,dk4_er_t * erp)31 dk4recode_ansi_to_ascii(
32 char *dstb, size_t szdstb, const char *src, dk4_er_t *erp
33 )
34 {
35 size_t used = 0;
36 dk4_c32_t c32 = dkC32(0);
37 int back = 0;
38 unsigned char uc = '\0';
39 #if DK4_USE_ASSERT
40 assert(NULL != dstb);
41 assert(0 < szdstb);
42 assert(NULL != src);
43 #endif
44 if ((NULL != dstb) && (NULL != src) && (0 < szdstb)) {
45 back = 1;
46 while (('\0' != *src) && (1 == back) && (used < szdstb)) {
47 uc = (unsigned char)(*(src++));
48 if (0 != dk4ansi_decode(&c32, uc)) {
49 if (dkC32(0x00000100) > c32) {
50 dstb[used++] = (char)c32;
51 } else {
52 back = 0;
53 dk4error_set_elsize_nelem(erp, DK4_E_SYNTAX, 1, used);
54 }
55 } else {
56 back = 0;
57 dk4error_set_elsize_nelem(erp, DK4_E_SYNTAX, 1, used);
58 }
59 }
60 if (used < szdstb) {
61 dstb[used] = '\0';
62 } else {
63 dstb[szdstb - 1] = '\0';
64 back = 0;
65 dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL);
66 }
67 } else {
68 dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
69 }
70 return back;
71 }
72
73
74