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-rw-r--r--lib/sig2str.c346
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diff --git a/lib/sig2str.c b/lib/sig2str.c
deleted file mode 100644
index bf4b7cbe8..000000000
--- a/lib/sig2str.c
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-/* sig2str.c -- convert between signal names and numbers
-
- Copyright (C) 2002, 2004 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-/* Written by Paul Eggert. */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <limits.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "sig2str.h"
-
-#ifndef SIGRTMIN
-# define SIGRTMIN 0
-# undef SIGRTMAX
-#endif
-#ifndef SIGRTMAX
-# define SIGRTMAX (SIGRTMIN - 1)
-#endif
-
-#define NUMNAME(name) { SIG##name, #name }
-
-/* Signal names and numbers. Put the preferred name first. */
-static struct numname { int num; char const name[8]; } numname_table[] =
- {
- /* Signals required by POSIX 1003.1-2001 base, listed in
- traditional numeric order. */
-#ifdef SIGHUP
- NUMNAME (HUP),
-#endif
-#ifdef SIGINT
- NUMNAME (INT),
-#endif
-#ifdef SIGQUIT
- NUMNAME (QUIT),
-#endif
-#ifdef SIGILL
- NUMNAME (ILL),
-#endif
-#ifdef SIGTRAP
- NUMNAME (TRAP),
-#endif
-#ifdef SIGABRT
- NUMNAME (ABRT),
-#endif
-#ifdef SIGFPE
- NUMNAME (FPE),
-#endif
-#ifdef SIGKILL
- NUMNAME (KILL),
-#endif
-#ifdef SIGBUS
- NUMNAME (BUS),
-#endif
-#ifdef SIGSEGV
- NUMNAME (SEGV),
-#endif
-#ifdef SIGPIPE
- NUMNAME (PIPE),
-#endif
-#ifdef SIGALRM
- NUMNAME (ALRM),
-#endif
-#ifdef SIGTERM
- NUMNAME (TERM),
-#endif
-#ifdef SIGUSR1
- NUMNAME (USR1),
-#endif
-#ifdef SIGUSR2
- NUMNAME (USR2),
-#endif
-#ifdef SIGCHLD
- NUMNAME (CHLD),
-#endif
-#ifdef SIGURG
- NUMNAME (URG),
-#endif
-#ifdef SIGSTOP
- NUMNAME (STOP),
-#endif
-#ifdef SIGTSTP
- NUMNAME (TSTP),
-#endif
-#ifdef SIGCONT
- NUMNAME (CONT),
-#endif
-#ifdef SIGTTIN
- NUMNAME (TTIN),
-#endif
-#ifdef SIGTTOU
- NUMNAME (TTOU),
-#endif
-
- /* Signals required by POSIX 1003.1-2001 with the XSI extension. */
-#ifdef SIGSYS
- NUMNAME (SYS),
-#endif
-#ifdef SIGPOLL
- NUMNAME (POLL),
-#endif
-#ifdef SIGVTALRM
- NUMNAME (VTALRM),
-#endif
-#ifdef SIGPROF
- NUMNAME (PROF),
-#endif
-#ifdef SIGXCPU
- NUMNAME (XCPU),
-#endif
-#ifdef SIGXFSZ
- NUMNAME (XFSZ),
-#endif
-
- /* Unix Version 7. */
-#ifdef SIGIOT
- NUMNAME (IOT), /* Older name for ABRT. */
-#endif
-#ifdef SIGEMT
- NUMNAME (EMT),
-#endif
-
- /* USG Unix. */
-#ifdef SIGPHONE
- NUMNAME (PHONE),
-#endif
-#ifdef SIGWIND
- NUMNAME (WIND),
-#endif
-
- /* Unix System V. */
-#ifdef SIGCLD
- NUMNAME (CLD),
-#endif
-#ifdef SIGPWR
- NUMNAME (PWR),
-#endif
-
- /* GNU/Linux 2.2 and Solaris 8. */
-#ifdef SIGCANCEL
- NUMNAME (CANCEL),
-#endif
-#ifdef SIGLWP
- NUMNAME (LWP),
-#endif
-#ifdef SIGWAITING
- NUMNAME (WAITING),
-#endif
-#ifdef SIGFREEZE
- NUMNAME (FREEZE),
-#endif
-#ifdef SIGTHAW
- NUMNAME (THAW),
-#endif
-#ifdef SIGLOST
- NUMNAME (LOST),
-#endif
-#ifdef SIGWINCH
- NUMNAME (WINCH),
-#endif
-
- /* GNU/Linux 2.2. */
-#ifdef SIGINFO
- NUMNAME (INFO),
-#endif
-#ifdef SIGIO
- NUMNAME (IO),
-#endif
-#ifdef SIGSTKFLT
- NUMNAME (STKFLT),
-#endif
-
- /* AIX 5L. */
-#ifdef SIGDANGER
- NUMNAME (DANGER),
-#endif
-#ifdef SIGGRANT
- NUMNAME (GRANT),
-#endif
-#ifdef SIGMIGRATE
- NUMNAME (MIGRATE),
-#endif
-#ifdef SIGMSG
- NUMNAME (MSG),
-#endif
-#ifdef SIGPRE
- NUMNAME (PRE),
-#endif
-#ifdef SIGRETRACT
- NUMNAME (RETRACT),
-#endif
-#ifdef SIGSAK
- NUMNAME (SAK),
-#endif
-#ifdef SIGSOUND
- NUMNAME (SOUND),
-#endif
-
- /* Older AIX versions. */
-#ifdef SIGALRM1
- NUMNAME (ALRM1), /* unknown; taken from Bash 2.05 */
-#endif
-#ifdef SIGKAP
- NUMNAME (KAP), /* Older name for SIGGRANT. */
-#endif
-#ifdef SIGVIRT
- NUMNAME (VIRT), /* unknown; taken from Bash 2.05 */
-#endif
-#ifdef SIGWINDOW
- NUMNAME (WINDOW), /* Older name for SIGWINCH. */
-#endif
-
- /* BeOS */
-#ifdef SIGKILLTHR
- NUMNAME (KILLTHR),
-#endif
-
- /* Older HP-UX versions. */
-#ifdef SIGDIL
- NUMNAME (DIL),
-#endif
-
- /* Korn shell and Bash, of uncertain vintage. */
- { 0, "EXIT" }
- };
-
-#define NUMNAME_ENTRIES (sizeof numname_table / sizeof numname_table[0])
-
-/* ISDIGIT differs from isdigit, as follows:
- - Its arg may be any int or unsigned int; it need not be an unsigned char
- or EOF.
- - It's typically faster.
- POSIX says that only '0' through '9' are digits. Prefer ISDIGIT to
- isdigit unless it's important to use the locale's definition
- of `digit' even when the host does not conform to POSIX. */
-#define ISDIGIT(c) ((unsigned int) (c) - '0' <= 9)
-
-/* Convert the signal name SIGNAME to a signal number. Return the
- signal number if successful, -1 otherwise. */
-
-static int
-str2signum (char const *signame)
-{
- if (ISDIGIT (*signame))
- {
- char *endp;
- long int n = strtol (signame, &endp, 10);
- if (! *endp && n <= SIGNUM_BOUND)
- return n;
- }
- else
- {
- unsigned int i;
- for (i = 0; i < NUMNAME_ENTRIES; i++)
- if (strcmp (numname_table[i].name, signame) == 0)
- return numname_table[i].num;
-
- {
- char *endp;
- int rtmin = SIGRTMIN;
- int rtmax = SIGRTMAX;
-
- if (0 < rtmin && strncmp (signame, "RTMIN", 5) == 0)
- {
- long int n = strtol (signame + 5, &endp, 10);
- if (! *endp && 0 <= n && n <= rtmax - rtmin)
- return rtmin + n;
- }
- else if (0 < rtmax && strncmp (signame, "RTMAX", 5) == 0)
- {
- long int n = strtol (signame + 5, &endp, 10);
- if (! *endp && rtmin - rtmax <= n && n <= 0)
- return rtmax + n;
- }
- }
- }
-
- return -1;
-}
-
-/* Convert the signal name SIGNAME to the signal number *SIGNUM.
- Return 0 if successful, -1 otherwise. */
-
-int
-str2sig (char const *signame, int *signum)
-{
- *signum = str2signum (signame);
- return *signum < 0 ? -1 : 0;
-}
-
-/* Convert SIGNUM to a signal name in SIGNAME. SIGNAME must point to
- a buffer of at least SIG2STR_MAX bytes. Return 0 if successful, -1
- otherwise. */
-
-int
-sig2str (int signum, char *signame)
-{
- unsigned int i;
- for (i = 0; i < NUMNAME_ENTRIES; i++)
- if (numname_table[i].num == signum)
- {
- strcpy (signame, numname_table[i].name);
- return 0;
- }
-
- {
- int rtmin = SIGRTMIN;
- int rtmax = SIGRTMAX;
-
- if (! (rtmin <= signum && signum <= rtmax))
- return -1;
-
- if (signum <= rtmin + (rtmax - rtmin) / 2)
- {
- int delta = signum - rtmin;
- sprintf (signame, delta ? "RTMIN+%d" : "RTMIN", delta);
- }
- else
- {
- int delta = rtmax - signum;
- sprintf (signame, delta ? "RTMAX-%d" : "RTMAX", delta);
- }
-
- return 0;
- }
-}
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