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-rw-r--r--src/common/wchar.c61
1 files changed, 0 insertions, 61 deletions
diff --git a/src/common/wchar.c b/src/common/wchar.c
index a238c0106c6..76b7dfdfcb6 100644
--- a/src/common/wchar.c
+++ b/src/common/wchar.c
@@ -477,39 +477,6 @@ pg_utf2wchar_with_len(const unsigned char *from, pg_wchar *to, int len)
/*
- * Map a Unicode code point to UTF-8. utf8string must have at least
- * unicode_utf8len(c) bytes available.
- */
-unsigned char *
-unicode_to_utf8(pg_wchar c, unsigned char *utf8string)
-{
- if (c <= 0x7F)
- {
- utf8string[0] = c;
- }
- else if (c <= 0x7FF)
- {
- utf8string[0] = 0xC0 | ((c >> 6) & 0x1F);
- utf8string[1] = 0x80 | (c & 0x3F);
- }
- else if (c <= 0xFFFF)
- {
- utf8string[0] = 0xE0 | ((c >> 12) & 0x0F);
- utf8string[1] = 0x80 | ((c >> 6) & 0x3F);
- utf8string[2] = 0x80 | (c & 0x3F);
- }
- else
- {
- utf8string[0] = 0xF0 | ((c >> 18) & 0x07);
- utf8string[1] = 0x80 | ((c >> 12) & 0x3F);
- utf8string[2] = 0x80 | ((c >> 6) & 0x3F);
- utf8string[3] = 0x80 | (c & 0x3F);
- }
-
- return utf8string;
-}
-
-/*
* Trivial conversion from pg_wchar to UTF-8.
* caller should allocate enough space for "to"
* len: length of from.
@@ -670,34 +637,6 @@ ucs_wcwidth(pg_wchar ucs)
return 1;
}
-/*
- * Convert a UTF-8 character to a Unicode code point.
- * This is a one-character version of pg_utf2wchar_with_len.
- *
- * No error checks here, c must point to a long-enough string.
- */
-pg_wchar
-utf8_to_unicode(const unsigned char *c)
-{
- if ((*c & 0x80) == 0)
- return (pg_wchar) c[0];
- else if ((*c & 0xe0) == 0xc0)
- return (pg_wchar) (((c[0] & 0x1f) << 6) |
- (c[1] & 0x3f));
- else if ((*c & 0xf0) == 0xe0)
- return (pg_wchar) (((c[0] & 0x0f) << 12) |
- ((c[1] & 0x3f) << 6) |
- (c[2] & 0x3f));
- else if ((*c & 0xf8) == 0xf0)
- return (pg_wchar) (((c[0] & 0x07) << 18) |
- ((c[1] & 0x3f) << 12) |
- ((c[2] & 0x3f) << 6) |
- (c[3] & 0x3f));
- else
- /* that is an invalid code on purpose */
- return 0xffffffff;
-}
-
static int
pg_utf_dsplen(const unsigned char *s)
{