diff options
Diffstat (limited to 'src/backend/utils/adt/oracle_compat.c')
| -rw-r--r-- | src/backend/utils/adt/oracle_compat.c | 78 |
1 files changed, 77 insertions, 1 deletions
diff --git a/src/backend/utils/adt/oracle_compat.c b/src/backend/utils/adt/oracle_compat.c index c6c4175dd6b..6da6b30cca3 100644 --- a/src/backend/utils/adt/oracle_compat.c +++ b/src/backend/utils/adt/oracle_compat.c @@ -9,7 +9,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/adt/oracle_compat.c,v 1.68 2007/01/05 22:19:41 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/utils/adt/oracle_compat.c,v 1.69 2007/02/08 18:19:33 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -46,6 +46,8 @@ */ #if defined(HAVE_WCSTOMBS) && defined(HAVE_TOWLOWER) #define USE_WIDE_UPPER_LOWER +char *wstring_lower (char *str); +char *wstring_upper(char *str); #endif static text *dotrim(const char *string, int stringlen, @@ -258,6 +260,80 @@ win32_wcstotext(const wchar_t *str, int ncodes) #define wcstotext win32_wcstotext #endif /* WIN32 */ +#ifdef USE_WIDE_UPPER_LOWER +/* + * string_upper and string_lower are used for correct multibyte upper/lower + * transformations localized strings. Returns pointers to transformated + * string. + */ +char * +wstring_upper(char *str) +{ + wchar_t *workspace; + text *in_text; + text *out_text; + char *result; + int nbytes = strlen(str); + int i; + + in_text = palloc(nbytes + VARHDRSZ); + memcpy(VARDATA(in_text), str, nbytes); + VARATT_SIZEP(in_text) = nbytes + VARHDRSZ; + + workspace = texttowcs(in_text); + + for (i = 0; workspace[i] != 0; i++) + workspace[i] = towupper(workspace[i]); + + out_text = wcstotext(workspace, i); + + nbytes = VARSIZE(out_text) - VARHDRSZ; + result = palloc(nbytes + 1); + memcpy(result, VARDATA(out_text), nbytes); + + result[nbytes] = '\0'; + + pfree(workspace); + pfree(in_text); + pfree(out_text); + + return result; +} + +char * +wstring_lower(char *str) +{ + wchar_t *workspace; + text *in_text; + text *out_text; + char *result; + int nbytes = strlen(str); + int i; + + in_text = palloc(nbytes + VARHDRSZ); + memcpy(VARDATA(in_text), str, nbytes); + VARATT_SIZEP(in_text) = nbytes + VARHDRSZ; + + workspace = texttowcs(in_text); + + for (i = 0; workspace[i] != 0; i++) + workspace[i] = towlower(workspace[i]); + + out_text = wcstotext(workspace, i); + + nbytes = VARSIZE(out_text) - VARHDRSZ; + result = palloc(nbytes + 1); + memcpy(result, VARDATA(out_text), nbytes); + + result[nbytes] = '\0'; + + pfree(workspace); + pfree(in_text); + pfree(out_text); + + return result; +} +#endif /* USE_WIDE_UPPER_LOWER */ /******************************************************************** * |