diff options
author | Nicholas Noll <nbnoll@eml.cc> | 2021-10-26 21:32:55 -0700 |
---|---|---|
committer | Nicholas Noll <nbnoll@eml.cc> | 2021-10-26 21:51:49 -0700 |
commit | 189b9e23edfe60b7e82c4c7b6071a3f98799653a (patch) | |
tree | 77c1f32726446deb298a0d2e6389358bfe16bd32 /sys/libunicode/findlast.c | |
parent | 29b56ef4e4113bcd091b19d6926f18814162ca53 (diff) |
fix(unicode): renamed functions to be easier to understand their functions
Diffstat (limited to 'sys/libunicode/findlast.c')
-rw-r--r-- | sys/libunicode/findlast.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/sys/libunicode/findlast.c b/sys/libunicode/findlast.c new file mode 100644 index 0000000..3a4ed38 --- /dev/null +++ b/sys/libunicode/findlast.c @@ -0,0 +1,30 @@ +#include "internal.h" + +byte* +utf8·findlast(byte* s, rune c) +{ + long c1; + rune r; + byte *l; + + if(c < RuneSync) + return strrchr(s, c); + + l = nil; + for(;;){ + c1 = *(ubyte*)s; + if(c1 < RuneSelf) { + if(c1 == 0) return l; + if(c1 == c) l = s; + s++; + continue; + } + c1 = utf8·decode(s, &r); + if(r == c) + l = s; + + s += c1; + } + + return nil; +} |