mirror of
https://github.com/jart/cosmopolitan.git
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f684e348d4
- Document sigaction() - Simplify New Technology fork() code - Testing and many bug fixes for mprotect() - Distribute Intel Xed ILD in the amalgamation - Turn Xed enums into defines to avoid DWARF bloat - Improve polyfilling of SA_SIGINFO on BSDs and fix bugs - setpgid(getpid(), getpid()) on Windows will ignore CTRL-C - Work around issues relating to NT mappings being executable - Permit automatic executable stack override via `ape_stack_pf`
59 lines
2.8 KiB
C
59 lines
2.8 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/intrin/describeflags.internal.h"
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#include "libc/intrin/kprintf.h"
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const char *DescribeFlags(char *p, size_t n, struct DescribeFlags *d, size_t m,
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const char *prefix, unsigned x) {
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bool t;
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char b[21];
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size_t i, j, k;
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for (t = i = j = 0; j < m; ++j) {
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if (d[j].flag && d[j].flag != -1 && (x & d[j].flag) == d[j].flag) {
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x &= ~d[j].flag;
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if (t) {
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if (i + 1 < n) p[i++] = '|';
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} else {
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t = true;
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}
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for (k = 0; prefix && prefix[k]; ++k) {
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if (i + 1 < n) p[i++] = prefix[k];
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}
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for (k = 0; d[j].name[k]; ++k) {
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if (i + 1 < n) p[i++] = d[j].name[k];
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}
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}
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}
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if (x || !t) {
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if (t && i + 1 < n) p[i++] = '|';
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if (i + 1 < n) p[i++] = '0';
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if (x) {
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if (i + 1 < n) p[i++] = 'x';
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k = 0;
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do {
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if (i + 1 < n) b[k++] = "0123456789abcdef"[x % 16];
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} while ((x /= 16));
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while (k--) {
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if (i + 1 < n) p[i++] = b[k];
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}
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}
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}
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if (i < n) p[i] = 0;
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return p;
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}
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