cosmopolitan/third_party/python/Modules/unicodedata_findnfcindex.c
Justine Tunney fa20edc44d
Reduce header complexity
- Remove most __ASSEMBLER__ __LINKER__ ifdefs
- Rename libc/intrin/bits.h to libc/serialize.h
- Block pthread cancelation in fchmodat() polyfill
- Remove `clang-format off` statements in third_party
2023-11-28 14:39:42 -08:00

23 lines
1.3 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:4;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=4 sts=4 sw=4 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Python 3 │
│ https://docs.python.org/3/license.html │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "third_party/python/Modules/unicodedata.h"
int
_PyUnicode_FindNfcIndex(const _PyUnicode_Reindex *nfc, Py_UCS4 code)
{
unsigned int index;
for (index = 0; nfc[index].start; index++) {
unsigned int start = nfc[index].start;
if (code < start)
return -1;
if (code <= start + nfc[index].count) {
unsigned int delta = code - start;
return nfc[index].index + delta;
}
}
return -1;
}