/*-*- 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 2020 Justine Alexandra Roberts Tunney │ │ │ │ This program is free software; you can redistribute it and/or modify │ │ it under the terms of the GNU General Public License as published by │ │ the Free Software Foundation; version 2 of the License. │ │ │ │ This program is distributed in the hope that it will be useful, but │ │ WITHOUT ANY WARRANTY; without even the implied warranty of │ │ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │ │ General Public License for more details. │ │ │ │ You should have received a copy of the GNU General Public License │ │ along with this program; if not, write to the Free Software │ │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │ │ 02110-1301 USA │ ╚─────────────────────────────────────────────────────────────────────────────*/ #include "libc/bits/bits.h" #include "libc/macros.h" #include "libc/str/str.h" static const char kSig[4] = "SIG"; static const char kUnknown[8] = "UNKNOWN"; alignas(1) static const char kStrSignals[][8] = { "EXIT", "HUP", "INT", "QUIT", "ILL", "TRAP", "ABRT", "BUS", "FPE", "KILL", "USR1", "SEGV", "USR2", "PIPE", "ALRM", "TERM", "STKFLT", "CHLD", "CONT", "STOP", "TSTP", "TTIN", "TTOU", "URG", "XCPU", "XFSZ", "VTALRM", "PROF", "WINCH", "IO", "PWR", "SYS", }; static char g_strsignal[4 + 8]; /** * Returns name associated with signal code. * @see sigaction() */ char *strsignal(int sig) { if (0 <= sig && (unsigned)sig < ARRAYLEN(kStrSignals)) { memcpy(g_strsignal, kSig, 4); memcpy(&g_strsignal[3], kStrSignals[sig], 8); } else { memcpy(g_strsignal, &kUnknown, 8); } return g_strsignal; }