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