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