gdb - Local mods (compile)
[dragonfly.git] / sys / libiconv / iconv_xlat.c
CommitLineData
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1/*
2 * Copyright (c) 2000-2001, Boris Popov
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Boris Popov.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
efd03c68 32 * $FreeBSD: src/sys/libkern/iconv_xlat.c,v 1.5.30.1 2009/04/15 03:14:26 kensmith Exp $
984263bc 33 */
efd03c68 34
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35#include <sys/param.h>
36#include <sys/kernel.h>
37#include <sys/systm.h>
38#include <sys/malloc.h>
39#include <sys/iconv.h>
40
41#include "iconv_converter_if.h"
42
43/*
44 * "XLAT" converter
45 */
46
47#ifdef MODULE_DEPEND
efd03c68 48MODULE_DEPEND(iconv_xlat, libiconv, 2, 2, 2);
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49#endif
50
51/*
52 * XLAT converter instance
53 */
54struct iconv_xlat {
55 KOBJ_FIELDS;
56 u_char * d_table;
57 struct iconv_cspair * d_csp;
58};
59
60static int
61iconv_xlat_open(struct iconv_converter_class *dcp,
62 struct iconv_cspair *csp, struct iconv_cspair *cspf, void **dpp)
63{
64 struct iconv_xlat *dp;
65
66 dp = (struct iconv_xlat *)kobj_create((struct kobj_class*)dcp, M_ICONV, M_WAITOK);
67 dp->d_table = csp->cp_data;
68 dp->d_csp = csp;
69 csp->cp_refcount++;
70 *dpp = (void*)dp;
71 return 0;
72}
73
74static int
75iconv_xlat_close(void *data)
76{
77 struct iconv_xlat *dp = data;
78
79 dp->d_csp->cp_refcount--;
80 kobj_delete((struct kobj*)data, M_ICONV);
81 return 0;
82}
83
84static int
85iconv_xlat_conv(void *d2p, const char **inbuf,
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86 size_t *inbytesleft, char **outbuf, size_t *outbytesleft,
87 int convchar, int casetype)
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88{
89 struct iconv_xlat *dp = (struct iconv_xlat*)d2p;
90 const char *src;
91 char *dst;
92 int n, r;
93
94 if (inbuf == NULL || *inbuf == NULL || outbuf == NULL || *outbuf == NULL)
95 return 0;
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96 if (casetype != 0)
97 return -1;
98 if (convchar == 1)
99 r = n = 1;
100 else
101 r = n = min(*inbytesleft, *outbytesleft);
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102 src = *inbuf;
103 dst = *outbuf;
104 while(r--)
105 *dst++ = dp->d_table[(u_char)*src++];
106 *inbuf += n;
107 *outbuf += n;
efd03c68 108 *inbytesleft -= n;
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109 *outbytesleft -= n;
110 return 0;
111}
112
113static const char *
114iconv_xlat_name(struct iconv_converter_class *dcp)
115{
116 return "xlat";
117}
118
119static kobj_method_t iconv_xlat_methods[] = {
120 KOBJMETHOD(iconv_converter_open, iconv_xlat_open),
121 KOBJMETHOD(iconv_converter_close, iconv_xlat_close),
122 KOBJMETHOD(iconv_converter_conv, iconv_xlat_conv),
123#if 0
124 KOBJMETHOD(iconv_converter_init, iconv_xlat_init),
125 KOBJMETHOD(iconv_converter_done, iconv_xlat_done),
126#endif
127 KOBJMETHOD(iconv_converter_name, iconv_xlat_name),
7774cda2 128 KOBJMETHOD_END
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129};
130
131KICONV_CONVERTER(xlat, sizeof(struct iconv_xlat));