mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-07-15 07:19:18 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Get Cosmopolitan into releasable state

Browse source 
A new rollup tool now exists for flattening out the headers in a way
that works better for our purposes than cpp. A lot of the API clutter
has been removed. APIs that aren't a sure thing in terms of general
recommendation are now marked internal.

There's now a smoke test for the amalgamation archive and gigantic
header file. So we can now guarantee you can use this project on the
easiest difficulty setting without the gigantic repository.

A website is being created, which is currently a work in progress:
https://justine.storage.googleapis.com/cosmopolitan/index.html
This commit is contained in:
Justine Tunney 2020-11-25 08:19:00 -08:00
parent dba7552c1e
commit ea0b5d9d1c
775 changed files with 6864 additions and 3963 deletions
Download patch file Download diff file Expand all files Collapse all files

38
libc/str/tpdecodecb.internal.h Normal file
View file

@ -0,0 +1,38 @@
#ifndef COSMOPOLITAN_LIBC_STR_TPDECODECB_H_
#define COSMOPOLITAN_LIBC_STR_TPDECODECB_H_
#include "libc/nexgen32e/bsr.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
/**
* Generic Thompson-Pike Varint Decoder.
* @return number of bytes successfully consumed or -1 w/ errno
* @note synchronization is performed
* @todo delete
*/
forceinline int tpdecodecb(wint_t *out, int first,
int get(void *arg, uint32_t i), void *arg) {
uint32_t wc, cb, need, msb, j, i = 1;
if (unlikely((wc = first) == -1)) return -1;
while (unlikely((wc & 0b11000000) == 0b10000000)) {
if ((wc = get(arg, i++)) == -1) return -1;
}
if (unlikely(!(0 <= wc && wc <= 0x7F))) {
msb = wc < 252 ? bsr(~wc & 0xff) : 1;
need = 7 - msb;
wc &= ((1u << msb) - 1) | 0b00000011;
for (j = 1; j < need; ++j) {
if ((cb = get(arg, i++)) == -1) return -1;
if ((cb & 0b11000000) == 0b10000000) {
wc = wc << 6 | (cb & 0b00111111);
} else {
if (out) *out = u'<EFBFBD>';
return -1;
}
}
}
if (likely(out)) *out = (wint_t)wc;
return i;
}
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_STR_TPDECODECB_H_ */