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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2020-05-25 09:46:54 (GMT) |
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| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2020-05-25 09:46:54 (GMT) |
| commit | c856a8931e24a55a0ddafef99535830c4a68f201 (patch) | |
| tree | 51558af0461851aa996cf33fe26c933b7a43ad22 /generic/tclUtf.c | |
| parent | c54b77dd74aea1da2d41ad0a067214ed7e85fc7c (diff) | |
| parent | 53e89dcb06d57874c1fd1aff0bca30a01f351cc0 (diff) | |
| download | tcl-c856a8931e24a55a0ddafef99535830c4a68f201.zip tcl-c856a8931e24a55a0ddafef99535830c4a68f201.tar.gz tcl-c856a8931e24a55a0ddafef99535830c4a68f201.tar.bz2 | |
Merge 8.7
Diffstat (limited to 'generic/tclUtf.c')
| -rw-r--r-- | generic/tclUtf.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/generic/tclUtf.c b/generic/tclUtf.c index 3de767d..ac76309 100644 --- a/generic/tclUtf.c +++ b/generic/tclUtf.c @@ -2628,6 +2628,20 @@ TclUtfToUCS4( /* Make use of the #undef Tcl_UtfToUniChar above, which already handles UCS4. */ return Tcl_UtfToUniChar(src, ucs4Ptr); } + +int +TclUniCharToUCS4( + const Tcl_UniChar *src, /* The Tcl_UniChar string. */ + int *ucs4Ptr) /* Filled with the UCS4 codepoint represented + * by the Tcl_UniChar string. */ +{ + if (((src[0] & 0xFC00) == 0xD800) && ((src[1] & 0xFC00) == 0xDC00)) { + *ucs4Ptr = (((src[0] & 0x3FF) << 10) | (src[01] & 0x3FF)) + 0x10000; + return 2; + } + *ucs4Ptr = src[0]; + return 1; +} #endif /* |