69 lines
1.3 KiB
C
Executable File
69 lines
1.3 KiB
C
Executable File
/* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd
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See the file COPYING for copying permission.
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*/
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#include "codepage.h"
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#ifdef WIN32
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#define STRICT 1
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#define WIN32_LEAN_AND_MEAN 1
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#include <windows.h>
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int
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codepageMap(int cp, int *map)
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{
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int i;
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CPINFO info;
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if (!GetCPInfo(cp, &info) || info.MaxCharSize > 2)
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return 0;
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for (i = 0; i < 256; i++)
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map[i] = -1;
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if (info.MaxCharSize > 1) {
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for (i = 0; i < MAX_LEADBYTES; i++) {
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int j, lim;
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if (info.LeadByte[i] == 0 && info.LeadByte[i + 1] == 0)
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break;
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lim = info.LeadByte[i + 1];
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for (j = info.LeadByte[i]; j < lim; j++)
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map[j] = -2;
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}
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}
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for (i = 0; i < 256; i++) {
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if (map[i] == -1) {
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char c = (char)i;
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unsigned short n;
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if (MultiByteToWideChar(cp, MB_PRECOMPOSED|MB_ERR_INVALID_CHARS,
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&c, 1, &n, 1) == 1)
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map[i] = n;
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}
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}
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return 1;
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}
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int
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codepageConvert(int cp, const char *p)
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{
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unsigned short c;
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if (MultiByteToWideChar(cp, MB_PRECOMPOSED|MB_ERR_INVALID_CHARS,
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p, 2, &c, 1) == 1)
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return c;
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return -1;
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}
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#else /* not WIN32 */
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int
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codepageMap(int cp, int *map)
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{
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return 0;
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}
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int
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codepageConvert(int cp, const char *p)
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{
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return -1;
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}
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#endif /* not WIN32 */
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