mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-08-28 00:27:18 +02:00
67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
#include "ts_locale.h"
|
|
|
|
#include "utils/builtins.h"
|
|
#include "utils/pg_locale.h"
|
|
#include "mb/pg_wchar.h"
|
|
|
|
|
|
#if defined(TS_USE_WIDE) && defined(WIN32)
|
|
|
|
size_t
|
|
wchar2char( char *to, const wchar_t *from, size_t len ) {
|
|
if (GetDatabaseEncoding() == PG_UTF8) {
|
|
int r, nbytes;
|
|
|
|
if (len==0)
|
|
return 0;
|
|
|
|
/* in any case, *to should be allocated with enough space */
|
|
nbytes = WideCharToMultiByte(CP_UTF8, 0, from, len, NULL, 0, NULL, NULL);
|
|
if ( nbytes==0 )
|
|
ereport(ERROR,
|
|
(errcode(ERRCODE_CHARACTER_NOT_IN_REPERTOIRE),
|
|
errmsg("UTF-16 to UTF-8 translation failed: %lu",
|
|
GetLastError())));
|
|
|
|
r = WideCharToMultiByte(CP_UTF8, 0, from, len, to, nbytes,
|
|
NULL, NULL);
|
|
|
|
if ( r==0 )
|
|
ereport(ERROR,
|
|
(errcode(ERRCODE_CHARACTER_NOT_IN_REPERTOIRE),
|
|
errmsg("UTF-16 to UTF-8 translation failed: %lu",
|
|
GetLastError())));
|
|
return r;
|
|
}
|
|
|
|
return wcstombs(to, from, len);
|
|
}
|
|
|
|
size_t
|
|
char2wchar( wchar_t *to, const char *from, size_t len ) {
|
|
if (GetDatabaseEncoding() == PG_UTF8) {
|
|
int r;
|
|
|
|
if (len==0)
|
|
return 0;
|
|
|
|
r = MultiByteToWideChar(CP_UTF8, 0, from, len, to, len);
|
|
|
|
if (!r) {
|
|
pg_verifymbstr(from, len, false);
|
|
ereport(ERROR,
|
|
(errcode(ERRCODE_CHARACTER_NOT_IN_REPERTOIRE),
|
|
errmsg("invalid multibyte character for locale"),
|
|
errhint("The server's LC_CTYPE locale is probably incompatible with the database encoding.")));
|
|
}
|
|
|
|
Assert( r <= len );
|
|
|
|
return r;
|
|
}
|
|
|
|
return mbstowcs(to, from, len);
|
|
}
|
|
|
|
#endif
|