I have no idea what Simon thought he was doing casting what was once a
[u/mdw/putty] / charset / sbcs.c
CommitLineData
2dc6356a 1/*
2 * sbcs.c - routines to handle single-byte character sets.
3 */
4
5#include "charset.h"
6#include "internal.h"
7
8/*
9 * The charset_spec for any single-byte character set should
10 * provide read_sbcs() as its read function, and its `data' field
11 * should be a wchar_t string constant containing the 256 entries
12 * of the translation table.
13 */
14
15void read_sbcs(charset_spec const *charset, long int input_chr,
16 charset_state *state,
17 void (*emit)(void *ctx, long int output), void *emitctx)
18{
eea6a39a 19 const struct sbcs_data *sd = charset->data;
2dc6356a 20
21 UNUSEDARG(state);
22
eea6a39a 23 emit(emitctx, sd->sbcs2ucs[input_chr]);
2dc6356a 24}
25
26void write_sbcs(charset_spec const *charset, long int input_chr,
27 charset_state *state,
28 void (*emit)(void *ctx, long int output), void *emitctx)
29{
eea6a39a 30 const struct sbcs_data *sd = charset->data;
2dc6356a 31 int i;
32
33 UNUSEDARG(state);
34
35 /*
36 * FIXME: this should work, but it's ludicrously inefficient.
37 * We should be using the ucs2sbcs table.
38 */
39 for (i = 0; i < 256; i++)
eea6a39a 40 if (sd->sbcs2ucs[i] == input_chr) {
2dc6356a 41 emit(emitctx, i);
42 return;
43 }
44 emit(emitctx, ERROR);
45}