mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 11:37:35 +00:00
55 lines
2.5 KiB
C
55 lines
2.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2022 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/str/str.h"
|
|
#include "tool/lambda/lib/blc.h"
|
|
|
|
char GetBit(FILE* f) {
|
|
wint_t c;
|
|
char comment;
|
|
static wint_t buf, mask;
|
|
if (!binary) {
|
|
for (comment = 0;;) {
|
|
c = fgetwc(f);
|
|
if (c == -1) break;
|
|
if (!comment) {
|
|
fflush(stdout);
|
|
if (c == ';') {
|
|
comment = 1;
|
|
} else if (!iswspace(c) && c != '(' && c != ')' && c != '[' &&
|
|
c != ']') {
|
|
if (c != -1) c &= 1;
|
|
break;
|
|
}
|
|
} else if (c == '\n') {
|
|
comment = 0;
|
|
}
|
|
}
|
|
} else if (mask) {
|
|
c = !!(buf & mask);
|
|
mask >>= 1;
|
|
} else {
|
|
c = fgetc(f);
|
|
if (c != -1) {
|
|
buf = c;
|
|
c = (c >> 7) & 1;
|
|
mask = 64;
|
|
}
|
|
}
|
|
return c;
|
|
}
|