Mercurial > vim
view src/libvterm/src/utf8.h @ 30880:82336c3b679d v9.0.0774
patch 9.0.0774: the libvterm code is outdated
Commit: https://github.com/vim/vim/commit/6a12d26f3404e45ce25cf9152857e355b28f392a
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Oct 16 19:26:52 2022 +0100
patch 9.0.0774: the libvterm code is outdated
Problem: The libvterm code is outdated.
Solution: Include libvterm changes from revision 802 to 817. Revert some
changes made for C89.
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Sun, 16 Oct 2022 20:30:07 +0200 |
parents | a4652d7ec99f |
children |
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/* The following functions copied and adapted from libtermkey * * http://www.leonerd.org.uk/code/libtermkey/ */ unsigned int utf8_seqlen(long codepoint); #if defined(DEFINE_INLINES) || USE_INLINE INLINE unsigned int utf8_seqlen(long codepoint) { if(codepoint < 0x0000080) return 1; if(codepoint < 0x0000800) return 2; if(codepoint < 0x0010000) return 3; if(codepoint < 0x0200000) return 4; if(codepoint < 0x4000000) return 5; return 6; } #endif /* Does NOT NUL-terminate the buffer */ int fill_utf8(long codepoint, char *str); #if defined(DEFINE_INLINES) || USE_INLINE INLINE int fill_utf8(long codepoint, char *str) { int nbytes = utf8_seqlen(codepoint); // This is easier done backwards int b = nbytes; while(b > 1) { b--; str[b] = 0x80 | (codepoint & 0x3f); codepoint >>= 6; } switch(nbytes) { case 1: str[0] = (codepoint & 0x7f); break; case 2: str[0] = 0xc0 | (codepoint & 0x1f); break; case 3: str[0] = 0xe0 | (codepoint & 0x0f); break; case 4: str[0] = 0xf0 | (codepoint & 0x07); break; case 5: str[0] = 0xf8 | (codepoint & 0x03); break; case 6: str[0] = 0xfc | (codepoint & 0x01); break; } return nbytes; } #endif /* end copy */