diff options
Diffstat (limited to 'src/runtime/string.c')
| -rw-r--r-- | src/runtime/string.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/src/runtime/string.c b/src/runtime/string.c index 9bac09184..d21273de0 100644 --- a/src/runtime/string.c +++ b/src/runtime/string.c @@ -151,55 +151,6 @@ sys·indexstring(string s, int32 i, byte b) FLUSH(&b); } -/* - * this is the plan9 runetochar - * extended for 36 bits in 7 bytes - * note that it truncates to 32 bits - * through the argument passing. - */ -static int32 -runetochar(byte *str, uint32 c) -{ - int32 i, n; - uint32 mask, mark; - - /* - * one character in 7 bits - */ - if(c <= 0x07FUL) { - str[0] = c; - return 1; - } - - /* - * every new character picks up 5 bits - * one less in the first byte and - * six more in an extension byte - */ - mask = 0x7ffUL; - mark = 0xC0UL; - for(n=1;; n++) { - if(c <= mask) - break; - mask = (mask<<5) | 0x1fUL; - mark = (mark>>1) | 0x80UL; - } - - /* - * lay down the bytes backwards - * n is the number of extension bytes - * mask is the max codepoint - * mark is the zeroth byte indicator - */ - for(i=n; i>0; i--) { - str[i] = 0x80UL | (c&0x3fUL); - c >>= 6; - } - - str[0] = mark|c; - return n+1; -} - void sys·intstring(int64 v, string s) { |