mirror of
https://github.com/jart/cosmopolitan.git
synced 2024-05-18 03:22:40 +00:00
e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
56 lines
2.7 KiB
C
56 lines
2.7 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2021 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/intrin/describeflags.internal.h"
|
|
#include "libc/runtime/memtrack.internal.h"
|
|
#include "libc/sysv/consts/map.h"
|
|
#include "libc/sysv/consts/prot.h"
|
|
|
|
static char DescribeMapType(int flags) {
|
|
switch (flags & MAP_TYPE) {
|
|
case MAP_FILE:
|
|
return 'f';
|
|
case MAP_PRIVATE:
|
|
return 'p';
|
|
case MAP_SHARED:
|
|
return 's';
|
|
case MAP_STACK:
|
|
return 'S';
|
|
default:
|
|
return '?';
|
|
}
|
|
}
|
|
|
|
char *DescribeProt(char p[4], int prot) {
|
|
p[0] = (prot & PROT_READ) ? 'r' : '-';
|
|
p[1] = (prot & PROT_WRITE) ? 'w' : '-';
|
|
p[2] = (prot & PROT_EXEC) ? 'x' : '-';
|
|
p[3] = 0;
|
|
return p;
|
|
}
|
|
|
|
const char *(DescribeMapping)(char p[8], int prot, int flags) {
|
|
/* asan runtime depends on this function */
|
|
DescribeProt(p, prot);
|
|
p[3] = DescribeMapType(flags);
|
|
p[4] = (flags & MAP_ANONYMOUS) ? 'a' : '-';
|
|
p[5] = (flags & MAP_FIXED) ? 'F' : '-';
|
|
p[6] = 0;
|
|
return p;
|
|
}
|