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/* sig2str.h -- convert between signal names and numbers
Copyright (C) 2002 Free Software Foundation, Inc.
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; either version 2, or (at your option)
any later version.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Written by Paul Eggert. */
/* Include <signal.h> before including this file. */
/* Don't override system declarations of SIG2STR_MAX, sig2str, str2sig. */
#ifndef SIG2STR_MAX
/* Upper bound on the string length of an integer converted to string.
302 / 1000 is ceil (log10 (2.0)). Subtract 1 for the sign bit;
add 1 for integer division truncation; add 1 more for a minus sign. */
# define INT_STRLEN_BOUND(t) ((sizeof (t) * CHAR_BIT - 1) * 302 / 1000 + 2)
/* Size of a buffer needed to hold a signal name like "HUP". */
# define SIG2STR_MAX (sizeof "SIGRTMAX" + INT_STRLEN_BOUND (int) - 1)
int sig2str (int, char *);
int str2sig (char const *, int *);
#endif
/* An upper bound on signal numbers allowed by the system. */
#if defined _sys_nsig
# define SIGNUM_BOUND (_sys_nsig - 1)
#elif defined NSIG
# define SIGNUM_BOUND (NSIG - 1)
#else
# define SIGNUM_BOUND 64
#endif
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