*
* Portions Copyright (c) 2002-2009, PostgreSQL Global Development Group
*
- * $PostgreSQL: pgsql/src/backend/utils/adt/pg_locale.c,v 1.43 2009/01/01 17:23:49 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/pg_locale.c,v 1.44 2009/01/09 13:03:55 mha Exp $
*
*-----------------------------------------------------------------------
*/
#include <time.h>
#include "catalog/pg_control.h"
+#include "mb/pg_wchar.h"
#include "utils/memutils.h"
#include "utils/pg_locale.h"
return &CurrentLocaleConv;
}
+#ifdef WIN32
+/*
+ * On win32, strftime() returns the encoding in CP_ACP, which is likely
+ * different from SERVER_ENCODING. This is especially important in Japanese
+ * versions of Windows which will use SJIS encoding, which we don't support
+ * as a server encoding.
+ *
+ * Replace strftime() with a version that gets the string in UTF16 and then
+ * converts it to the appropriate encoding as necessary.
+ *
+ * Note that this only affects the calls to strftime() in this file, which are
+ * used to get the locale-aware strings. Other parts of the backend use
+ * pg_strftime(), which isn't locale-aware and does not need to be replaced.
+ */
+static size_t
+strftime_win32(char *dst, size_t dstlen, const wchar_t *format, const struct tm *tm)
+{
+ size_t len;
+ wchar_t wbuf[MAX_L10N_DATA];
+ int encoding;
+
+ encoding = GetDatabaseEncoding();
+
+ len = wcsftime(wbuf, sizeof(wbuf), format, tm);
+ if (len == 0)
+ /* strftime call failed - return 0 with the contents of dst unspecified */
+ return 0;
+
+ len = WideCharToMultiByte(CP_UTF8, 0, wbuf, len, dst, dstlen, NULL, NULL);
+ if (len == 0)
+ elog(ERROR,
+ "could not convert string to UTF-8:error %lu", GetLastError());
+
+ dst[len] = '\0';
+ if (encoding != PG_UTF8)
+ {
+ char *convstr = pg_do_encoding_conversion(dst, len, PG_UTF8, encoding);
+ if (dst != convstr)
+ {
+ StrNCpy(dst, convstr, dstlen);
+ len = strlen(dst);
+ }
+ }
+
+ return len;
+}
+
+#define strftime(a,b,c,d) strftime_win32(a,b,L##c,d)
+
+#endif /* WIN32 */
+
/*
* Update the lc_time localization cache variables if needed.
char buf[MAX_L10N_DATA];
char *ptr;
int i;
+#ifdef WIN32
+ char *save_lc_ctype;
+#endif
/* did we do this already? */
if (CurrentLCTimeValid)
elog(DEBUG3, "cache_locale_time() executed; locale: \"%s\"", locale_time);
+#ifdef WIN32
+ /* set user's value of ctype locale */
+ save_lc_ctype = setlocale(LC_CTYPE, NULL);
+ if (save_lc_ctype)
+ save_lc_ctype = pstrdup(save_lc_ctype);
+
+ setlocale(LC_CTYPE, locale_time);
+#endif
+
/* set user's value of time locale */
save_lc_time = setlocale(LC_TIME, NULL);
if (save_lc_time)
pfree(save_lc_time);
}
+#ifdef WIN32
+ /* try to restore internal ctype settings */
+ if (save_lc_ctype)
+ {
+ setlocale(LC_CTYPE, save_lc_ctype);
+ pfree(save_lc_ctype);
+ }
+#endif
+
CurrentLCTimeValid = true;
}