/* sig2str.c -- convert between signal names and numbers
- Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2004, 2006, 2009-2013 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ 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.
+ the Free Software Foundation; either version 3 of the License, 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
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Written by Paul Eggert. */
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
#include <limits.h>
#include <signal.h>
static struct numname { int num; char const name[8]; } numname_table[] =
{
/* Signals required by POSIX 1003.1-2001 base, listed in
- traditional numeric order. */
+ traditional numeric order where possible. */
#ifdef SIGHUP
NUMNAME (HUP),
#endif
#ifdef SIGKILL
NUMNAME (KILL),
#endif
-#ifdef SIGBUS
- NUMNAME (BUS),
-#endif
#ifdef SIGSEGV
NUMNAME (SEGV),
#endif
+ /* On Haiku, SIGSEGV == SIGBUS, but we prefer SIGSEGV to match
+ strsignal.c output, so SIGBUS must be listed second. */
+#ifdef SIGBUS
+ NUMNAME (BUS),
+#endif
#ifdef SIGPIPE
NUMNAME (PIPE),
#endif
/* Unix Version 7. */
#ifdef SIGIOT
- NUMNAME (IOT), /* Older name for ABRT. */
+ NUMNAME (IOT), /* Older name for ABRT. */
#endif
#ifdef SIGEMT
NUMNAME (EMT),
/* Older AIX versions. */
#ifdef SIGALRM1
- NUMNAME (ALRM1), /* unknown; taken from Bash 2.05 */
+ NUMNAME (ALRM1), /* unknown; taken from Bash 2.05 */
#endif
#ifdef SIGKAP
- NUMNAME (KAP), /* Older name for SIGGRANT. */
+ NUMNAME (KAP), /* Older name for SIGGRANT. */
#endif
#ifdef SIGVIRT
- NUMNAME (VIRT), /* unknown; taken from Bash 2.05 */
+ NUMNAME (VIRT), /* unknown; taken from Bash 2.05 */
#endif
#ifdef SIGWINDOW
- NUMNAME (WINDOW), /* Older name for SIGWINCH. */
+ NUMNAME (WINDOW), /* Older name for SIGWINCH. */
#endif
/* BeOS */
#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.
- - It's guaranteed to evaluate its argument exactly once.
+ - 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_LOCALE unless it's important to use the locale's definition
- of `digit' even when the host does not conform to POSIX. */
+ 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
char *endp;
long int n = strtol (signame, &endp, 10);
if (! *endp && n <= SIGNUM_BOUND)
- return n;
+ 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;
+ 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;
- }
+ 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;
+ }
}
}
for (i = 0; i < NUMNAME_ENTRIES; i++)
if (numname_table[i].num == signum)
{
- strcpy (signame, numname_table[i].name);
- return 0;
+ strcpy (signame, numname_table[i].name);
+ return 0;
}
{
int rtmin = SIGRTMIN;
int rtmax = SIGRTMAX;
+ int base, delta;
if (! (rtmin <= signum && signum <= rtmax))
return -1;
if (signum <= rtmin + (rtmax - rtmin) / 2)
{
- int delta = signum - rtmin;
- sprintf (signame, delta ? "RTMIN+%d" : "RTMIN", delta);
+ strcpy (signame, "RTMIN");
+ base = rtmin;
}
else
{
- int delta = rtmax - signum;
- sprintf (signame, delta ? "RTMAX-%d" : "RTMAX", delta);
+ strcpy (signame, "RTMAX");
+ base = rtmax;
}
+ delta = signum - base;
+ if (delta != 0)
+ sprintf (signame + 5, "%+d", delta);
return 0;
}
}
projects / gnulib.git / blobdiff