diff options
Diffstat (limited to 'src/backend/utils/adt')
| -rw-r--r-- | src/backend/utils/adt/pg_locale_libc.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/src/backend/utils/adt/pg_locale_libc.c b/src/backend/utils/adt/pg_locale_libc.c index 9c7fcd1fc7a..716f005066a 100644 --- a/src/backend/utils/adt/pg_locale_libc.c +++ b/src/backend/utils/adt/pg_locale_libc.c @@ -450,7 +450,12 @@ strlower_libc_sb(char *dest, size_t destsize, const char *src, ssize_t srclen, for (p = dest; *p; p++) { if (locale->is_default) - *p = pg_tolower((unsigned char) *p); + { + if (*p >= 'A' && *p <= 'Z') + *p += 'a' - 'A'; + else if (IS_HIGHBIT_SET(*p) && isupper_l(*p, loc)) + *p = tolower_l((unsigned char) *p, loc); + } else *p = tolower_l((unsigned char) *p, loc); } @@ -535,9 +540,19 @@ strtitle_libc_sb(char *dest, size_t destsize, const char *src, ssize_t srclen, if (locale->is_default) { if (wasalnum) - *p = pg_tolower((unsigned char) *p); + { + if (*p >= 'A' && *p <= 'Z') + *p += 'a' - 'A'; + else if (IS_HIGHBIT_SET(*p) && isupper_l(*p, loc)) + *p = tolower_l((unsigned char) *p, loc); + } else - *p = pg_toupper((unsigned char) *p); + { + if (*p >= 'a' && *p <= 'z') + *p -= 'a' - 'A'; + else if (IS_HIGHBIT_SET(*p) && islower_l(*p, loc)) + *p = toupper_l((unsigned char) *p, loc); + } } else { @@ -633,7 +648,12 @@ strupper_libc_sb(char *dest, size_t destsize, const char *src, ssize_t srclen, for (p = dest; *p; p++) { if (locale->is_default) - *p = pg_toupper((unsigned char) *p); + { + if (*p >= 'a' && *p <= 'z') + *p -= 'a' - 'A'; + else if (IS_HIGHBIT_SET(*p) && islower_l(*p, loc)) + *p = toupper_l((unsigned char) *p, loc); + } else *p = toupper_l((unsigned char) *p, loc); } |