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Change wchar2char() and char2wchar() to accept a locale_t.

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These are libc-specific functions, so should require a locale_t rather
than a pg_locale_t (which could use another provider).

Discussion: https://postgr.es/m/a8666c391dfcabe79868d95f7160eac533ace718.camel%40j-davis.com
This commit is contained in:
Jeff Davis
2025-07-09 08:45:34 -07:00
parent 9dcc764144
commit 53cd0b71ee
4 changed files with 17 additions and 17 deletions
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4
src/backend/tsearch/ts_locale.c
View File

@ -36,7 +36,7 @@ t_isalpha(const char *ptr)
{
int clen = pg_mblen(ptr);
wchar_t character[WC_BUF_LEN];
pg_locale_t mylocale = 0; /* TODO */
locale_t mylocale = 0; /* TODO */
if (clen == 1 || database_ctype_is_c)
return isalpha(TOUCHAR(ptr));
@ -51,7 +51,7 @@ t_isalnum(const char *ptr)
{
int clen = pg_mblen(ptr);
wchar_t character[WC_BUF_LEN];
pg_locale_t mylocale = 0; /* TODO */
locale_t mylocale = 0; /* TODO */
if (clen == 1 || database_ctype_is_c)
return isalnum(TOUCHAR(ptr));

2
src/backend/tsearch/wparser_def.c
View File

@ -299,7 +299,7 @@ TParserInit(char *str, int len)
*/
if (prs->charmaxlen > 1)
{
pg_locale_t mylocale = 0; /* TODO */
locale_t mylocale = 0; /* TODO */
prs->usewide = true;
if (database_ctype_is_c)

24
src/backend/utils/adt/pg_locale_libc.c
View File

@ -457,7 +457,7 @@ strlower_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
/* Output workspace cannot have more codes than input bytes */
workspace = (wchar_t *) palloc((srclen + 1) * sizeof(wchar_t));
char2wchar(workspace, srclen + 1, src, srclen, locale);
char2wchar(workspace, srclen + 1, src, srclen, loc);
for (curr_char = 0; workspace[curr_char] != 0; curr_char++)
workspace[curr_char] = towlower_l(workspace[curr_char], loc);
@ -468,7 +468,7 @@ strlower_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
max_size = curr_char * pg_database_encoding_max_length();
result = palloc(max_size + 1);
result_size = wchar2char(result, workspace, max_size + 1, locale);
result_size = wchar2char(result, workspace, max_size + 1, loc);
if (result_size + 1 > destsize)
return result_size;
@ -552,7 +552,7 @@ strtitle_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
/* Output workspace cannot have more codes than input bytes */
workspace = (wchar_t *) palloc((srclen + 1) * sizeof(wchar_t));
char2wchar(workspace, srclen + 1, src, srclen, locale);
char2wchar(workspace, srclen + 1, src, srclen, loc);
for (curr_char = 0; workspace[curr_char] != 0; curr_char++)
{
@ -569,7 +569,7 @@ strtitle_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
max_size = curr_char * pg_database_encoding_max_length();
result = palloc(max_size + 1);
result_size = wchar2char(result, workspace, max_size + 1, locale);
result_size = wchar2char(result, workspace, max_size + 1, loc);
if (result_size + 1 > destsize)
return result_size;
@ -640,7 +640,7 @@ strupper_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
/* Output workspace cannot have more codes than input bytes */
workspace = (wchar_t *) palloc((srclen + 1) * sizeof(wchar_t));
char2wchar(workspace, srclen + 1, src, srclen, locale);
char2wchar(workspace, srclen + 1, src, srclen, loc);
for (curr_char = 0; workspace[curr_char] != 0; curr_char++)
workspace[curr_char] = towupper_l(workspace[curr_char], loc);
@ -651,7 +651,7 @@ strupper_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
max_size = curr_char * pg_database_encoding_max_length();
result = palloc(max_size + 1);
result_size = wchar2char(result, workspace, max_size + 1, locale);
result_size = wchar2char(result, workspace, max_size + 1, loc);
if (result_size + 1 > destsize)
return result_size;
@ -1130,7 +1130,7 @@ wcstombs_l(char *dest, const wchar_t *src, size_t n, locale_t loc)
* zero-terminated. The output will be zero-terminated iff there is room.
*/
size_t
wchar2char(char *to, const wchar_t *from, size_t tolen, pg_locale_t locale)
wchar2char(char *to, const wchar_t *from, size_t tolen, locale_t loc)
{
size_t result;
@ -1160,7 +1160,7 @@ wchar2char(char *to, const wchar_t *from, size_t tolen, pg_locale_t locale)
}
else
#endif /* WIN32 */
if (locale == (pg_locale_t) 0)
if (loc == (locale_t) 0)
{
/* Use wcstombs directly for the default locale */
result = wcstombs(to, from, tolen);
@ -1168,7 +1168,7 @@ wchar2char(char *to, const wchar_t *from, size_t tolen, pg_locale_t locale)
else
{
/* Use wcstombs_l for nondefault locales */
result = wcstombs_l(to, from, tolen, locale->info.lt);
result = wcstombs_l(to, from, tolen, loc);
}
return result;
@ -1185,7 +1185,7 @@ wchar2char(char *to, const wchar_t *from, size_t tolen, pg_locale_t locale)
*/
size_t
char2wchar(wchar_t *to, size_t tolen, const char *from, size_t fromlen,
pg_locale_t locale)
locale_t loc)
{
size_t result;
@ -1220,7 +1220,7 @@ char2wchar(wchar_t *to, size_t tolen, const char *from, size_t fromlen,
/* mbstowcs requires ending '\0' */
char *str = pnstrdup(from, fromlen);
if (locale == (pg_locale_t) 0)
if (loc == (locale_t) 0)
{
/* Use mbstowcs directly for the default locale */
result = mbstowcs(to, str, tolen);
@ -1228,7 +1228,7 @@ char2wchar(wchar_t *to, size_t tolen, const char *from, size_t fromlen,
else
{
/* Use mbstowcs_l for nondefault locales */
result = mbstowcs_l(to, str, tolen, locale->info.lt);
result = mbstowcs_l(to, str, tolen, loc);
}
pfree(str);

4
src/include/utils/pg_locale.h
View File

@ -214,8 +214,8 @@ extern void report_newlocale_failure(const char *localename);
/* These functions convert from/to libc's wchar_t, *not* pg_wchar_t */
extern size_t wchar2char(char *to, const wchar_t *from, size_t tolen,
pg_locale_t locale);
locale_t loc);
extern size_t char2wchar(wchar_t *to, size_t tolen,
const char *from, size_t fromlen, pg_locale_t locale);
const char *from, size_t fromlen, locale_t loc);
#endif /* _PG_LOCALE_ */