48 lines
2.6 KiB
C
48 lines
2.6 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 2020 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/bits/bits.h"
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#include "libc/macros.h"
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#include "libc/str/str.h"
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static const char kSig[4] = "SIG";
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static const char kUnknown[8] = "UNKNOWN";
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_Alignas(char) static const char kStrSignals[][8] = {
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"EXIT", "HUP", "INT", "QUIT", "ILL", "TRAP", "ABRT", "BUS",
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"FPE", "KILL", "USR1", "SEGV", "USR2", "PIPE", "ALRM", "TERM",
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"STKFLT", "CHLD", "CONT", "STOP", "TSTP", "TTIN", "TTOU", "URG",
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"XCPU", "XFSZ", "VTALRM", "PROF", "WINCH", "IO", "PWR", "SYS",
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};
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static char g_strsignal[4 + 8];
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/**
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* Returns name associated with signal code.
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* @see sigaction()
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*/
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char *strsignal(int sig) {
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if (0 <= sig && (unsigned)sig < ARRAYLEN(kStrSignals)) {
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memcpy(g_strsignal, kSig, 4);
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memcpy(&g_strsignal[3], kStrSignals[sig], 8);
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} else {
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memcpy(g_strsignal, &kUnknown, 8);
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}
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return g_strsignal;
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}
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