Mercurial > hg > octave-kai > gnulib-hg
annotate lib/sig2str.c @ 6259:96c32553b4c6
Use a consistent style for including <config.h>.
* __fpending.c, acl.c, argmatch.c,
argp-help.c, argp-parse.c,
argp-pvh.c, backupfile.c, basename.c, c-stack.c,
calloc.c, check-version.c, cloexec.c, closeout.c, copy-file.c,
creat-safer.c, cycle-check.c, dirfd.c, dirname.c, dup-safer.c,
dup2.c, euidaccess.c, exclude.c, exitfail.c, fatal-signal.c,
fd-safer.c, file-type.c, fileblocks.c, filemode.c,
filenamecat.c, findprog.c, fnmatch.c, fopen-safer.c, free.c,
fsusage.c, ftruncate.c, full-write.c, fwriteerror.c,
getaddrinfo.c, getcwd.c, getdelim.c, getline.c, getlogin_r.c,
getndelim2.c, getnline.c, getopt1.c, getpass.c, group-member.c,
hard-locale.c, hash-pjw.c, hash.c, human.c, idcache.c,
inet_ntop.c, isdir.c, long-options.c, malloc.c, memcasecmp.c,
memcmp.c, memcoll.c, memcpy.c, memmove.c, mkdir-p.c,
modechange.c, mountlist.c, open-safer.c, physmem.c,
pipe-safer.c, pipe.c, poll.c, posixver.c, progname.c,
progreloc.c, putenv.c, quote.c, quotearg.c, readline.c,
readlink.c, realloc.c, regex.c, rename.c, rmdir.c, rpmatch.c,
safe-read.c, same.c, save-cwd.c, savedir.c, sig2str.c,
strcspn.c, strerror.c, stripslash.c, strncasecmp.c, strndup.c,
strnlen.c, strnlen1.c, strsep.c, strstr.c, strtod.c,
strtoimax.c, strtol.c, strverscmp.c, tempname.c, time_r.c,
userspec.c, utimecmp.c, version-etc-fsf.c,
version-etc.c, wait-process.c, xalloc-die.c, xgetcwd.c,
xmalloc.c, xmemcoll.c, xnanosleep.c, xreadlink.c, xsetenv.c,
xstrndup.c, xstrtoimax.c, xstrtol.c, xstrtoumax.c, yesno.c:
Standardize inclusion of config.h.
* __fpending.h, dirfd.h, getdate.h, human.h,
inttostr.h: Removed inclusion of config.h from header files.
* inttostr.c: Adjusted in-tree users.
* timespec.h: Remove superfluous warning to include config.h.
* atexit.c, chdir-long.c chown.c, fchown-stub.c, getgroups.c,
gettimeofday.c, lchown.c, lstat.c, mkdir.c, mkstemp.c,
nanosleep.c, openat.c, raise.c, readtokens0.c, readutmp.c,
unlinkdir.c: Guard inclusion of config.h with HAVE_CONFIG_H.
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Mon, 19 Sep 2005 17:28:14 +0000 |
| parents | a48fb0e98c8c |
| children | 6aeb4d6c28d9 |
| rev | line source |
|---|---|
| 3821 | 1 /* sig2str.c -- convert between signal names and numbers |
| 2 | |
| 5159 | 3 Copyright (C) 2002, 2004 Free Software Foundation, Inc. |
| 3821 | 4 |
| 5 This program is free software; you can redistribute it and/or modify | |
| 6 it under the terms of the GNU General Public License as published by | |
| 7 the Free Software Foundation; either version 2, or (at your option) | |
| 8 any later version. | |
| 9 | |
| 10 This program is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 GNU General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU General Public License | |
| 16 along with this program; if not, write to the Free Software Foundation, | |
|
5848
a48fb0e98c8c
*** empty log message ***
Paul Eggert <eggert@cs.ucla.edu>
parents:
5159
diff
changeset
|
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ |
| 3821 | 18 |
| 19 /* Written by Paul Eggert. */ | |
| 20 | |
|
6259
96c32553b4c6
Use a consistent style for including <config.h>.
Paul Eggert <eggert@cs.ucla.edu>
parents:
5848
diff
changeset
|
21 #ifdef HAVE_CONFIG_H |
| 3821 | 22 # include <config.h> |
| 23 #endif | |
| 24 | |
| 25 #include <limits.h> | |
| 26 #include <signal.h> | |
| 27 #include <stdlib.h> | |
| 28 #include <stdio.h> | |
| 29 #include <string.h> | |
| 30 | |
| 31 #include "sig2str.h" | |
| 32 | |
| 33 #ifndef SIGRTMIN | |
| 34 # define SIGRTMIN 0 | |
| 35 # undef SIGRTMAX | |
| 36 #endif | |
| 37 #ifndef SIGRTMAX | |
| 38 # define SIGRTMAX (SIGRTMIN - 1) | |
| 39 #endif | |
| 40 | |
| 41 #define NUMNAME(name) { SIG##name, #name } | |
| 42 | |
| 43 /* Signal names and numbers. Put the preferred name first. */ | |
| 44 static struct numname { int num; char const name[8]; } numname_table[] = | |
| 45 { | |
| 46 /* Signals required by POSIX 1003.1-2001 base, listed in | |
| 47 traditional numeric order. */ | |
| 48 #ifdef SIGHUP | |
| 49 NUMNAME (HUP), | |
| 50 #endif | |
| 51 #ifdef SIGINT | |
| 52 NUMNAME (INT), | |
| 53 #endif | |
| 54 #ifdef SIGQUIT | |
| 55 NUMNAME (QUIT), | |
| 56 #endif | |
| 57 #ifdef SIGILL | |
| 58 NUMNAME (ILL), | |
| 59 #endif | |
| 60 #ifdef SIGTRAP | |
| 61 NUMNAME (TRAP), | |
| 62 #endif | |
| 63 #ifdef SIGABRT | |
| 64 NUMNAME (ABRT), | |
| 65 #endif | |
| 66 #ifdef SIGFPE | |
| 67 NUMNAME (FPE), | |
| 68 #endif | |
| 69 #ifdef SIGKILL | |
| 70 NUMNAME (KILL), | |
| 71 #endif | |
| 72 #ifdef SIGBUS | |
| 73 NUMNAME (BUS), | |
| 74 #endif | |
| 75 #ifdef SIGSEGV | |
| 76 NUMNAME (SEGV), | |
| 77 #endif | |
| 78 #ifdef SIGPIPE | |
| 79 NUMNAME (PIPE), | |
| 80 #endif | |
| 81 #ifdef SIGALRM | |
| 82 NUMNAME (ALRM), | |
| 83 #endif | |
| 84 #ifdef SIGTERM | |
| 85 NUMNAME (TERM), | |
| 86 #endif | |
| 87 #ifdef SIGUSR1 | |
| 88 NUMNAME (USR1), | |
| 89 #endif | |
| 90 #ifdef SIGUSR2 | |
| 91 NUMNAME (USR2), | |
| 92 #endif | |
| 93 #ifdef SIGCHLD | |
| 94 NUMNAME (CHLD), | |
| 95 #endif | |
| 96 #ifdef SIGURG | |
| 97 NUMNAME (URG), | |
| 98 #endif | |
| 99 #ifdef SIGSTOP | |
| 100 NUMNAME (STOP), | |
| 101 #endif | |
| 102 #ifdef SIGTSTP | |
| 103 NUMNAME (TSTP), | |
| 104 #endif | |
| 105 #ifdef SIGCONT | |
| 106 NUMNAME (CONT), | |
| 107 #endif | |
| 108 #ifdef SIGTTIN | |
| 109 NUMNAME (TTIN), | |
| 110 #endif | |
| 111 #ifdef SIGTTOU | |
| 112 NUMNAME (TTOU), | |
| 113 #endif | |
| 114 | |
| 115 /* Signals required by POSIX 1003.1-2001 with the XSI extension. */ | |
| 116 #ifdef SIGSYS | |
| 117 NUMNAME (SYS), | |
| 118 #endif | |
| 119 #ifdef SIGPOLL | |
| 120 NUMNAME (POLL), | |
| 121 #endif | |
| 122 #ifdef SIGVTALRM | |
| 123 NUMNAME (VTALRM), | |
| 124 #endif | |
| 125 #ifdef SIGPROF | |
| 126 NUMNAME (PROF), | |
| 127 #endif | |
| 128 #ifdef SIGXCPU | |
| 129 NUMNAME (XCPU), | |
| 130 #endif | |
| 131 #ifdef SIGXFSZ | |
| 132 NUMNAME (XFSZ), | |
| 133 #endif | |
| 134 | |
| 135 /* Unix Version 7. */ | |
| 136 #ifdef SIGIOT | |
| 137 NUMNAME (IOT), /* Older name for ABRT. */ | |
| 138 #endif | |
| 139 #ifdef SIGEMT | |
| 140 NUMNAME (EMT), | |
| 141 #endif | |
| 142 | |
| 143 /* USG Unix. */ | |
| 144 #ifdef SIGPHONE | |
| 145 NUMNAME (PHONE), | |
| 146 #endif | |
| 147 #ifdef SIGWIND | |
| 148 NUMNAME (WIND), | |
| 149 #endif | |
| 150 | |
| 151 /* Unix System V. */ | |
| 152 #ifdef SIGCLD | |
| 153 NUMNAME (CLD), | |
| 154 #endif | |
| 155 #ifdef SIGPWR | |
| 156 NUMNAME (PWR), | |
| 157 #endif | |
| 158 | |
| 159 /* GNU/Linux 2.2 and Solaris 8. */ | |
| 160 #ifdef SIGCANCEL | |
| 161 NUMNAME (CANCEL), | |
| 162 #endif | |
| 163 #ifdef SIGLWP | |
| 164 NUMNAME (LWP), | |
| 165 #endif | |
| 166 #ifdef SIGWAITING | |
| 167 NUMNAME (WAITING), | |
| 168 #endif | |
| 169 #ifdef SIGFREEZE | |
| 170 NUMNAME (FREEZE), | |
| 171 #endif | |
| 172 #ifdef SIGTHAW | |
| 173 NUMNAME (THAW), | |
| 174 #endif | |
| 175 #ifdef SIGLOST | |
| 176 NUMNAME (LOST), | |
| 177 #endif | |
| 178 #ifdef SIGWINCH | |
| 179 NUMNAME (WINCH), | |
| 180 #endif | |
| 181 | |
| 182 /* GNU/Linux 2.2. */ | |
| 183 #ifdef SIGINFO | |
| 184 NUMNAME (INFO), | |
| 185 #endif | |
| 186 #ifdef SIGIO | |
| 187 NUMNAME (IO), | |
| 188 #endif | |
| 189 #ifdef SIGSTKFLT | |
| 190 NUMNAME (STKFLT), | |
| 191 #endif | |
| 192 | |
| 193 /* AIX 5L. */ | |
| 194 #ifdef SIGDANGER | |
| 195 NUMNAME (DANGER), | |
| 196 #endif | |
| 197 #ifdef SIGGRANT | |
| 198 NUMNAME (GRANT), | |
| 199 #endif | |
| 200 #ifdef SIGMIGRATE | |
| 201 NUMNAME (MIGRATE), | |
| 202 #endif | |
| 203 #ifdef SIGMSG | |
| 204 NUMNAME (MSG), | |
| 205 #endif | |
| 206 #ifdef SIGPRE | |
| 207 NUMNAME (PRE), | |
| 208 #endif | |
| 209 #ifdef SIGRETRACT | |
| 210 NUMNAME (RETRACT), | |
| 211 #endif | |
| 212 #ifdef SIGSAK | |
| 213 NUMNAME (SAK), | |
| 214 #endif | |
| 215 #ifdef SIGSOUND | |
| 216 NUMNAME (SOUND), | |
| 217 #endif | |
| 218 | |
| 219 /* Older AIX versions. */ | |
|
3822
9915ac1b89e0
Remove definition of unused WTERMSIG.
Jim Meyering <jim@meyering.net>
parents:
3821
diff
changeset
|
220 #ifdef SIGALRM1 |
| 3821 | 221 NUMNAME (ALRM1), /* unknown; taken from Bash 2.05 */ |
| 222 #endif | |
| 223 #ifdef SIGKAP | |
| 224 NUMNAME (KAP), /* Older name for SIGGRANT. */ | |
| 225 #endif | |
| 226 #ifdef SIGVIRT | |
| 227 NUMNAME (VIRT), /* unknown; taken from Bash 2.05 */ | |
| 228 #endif | |
| 229 #ifdef SIGWINDOW | |
| 230 NUMNAME (WINDOW), /* Older name for SIGWINCH. */ | |
| 231 #endif | |
| 232 | |
| 233 /* BeOS */ | |
| 234 #ifdef SIGKILLTHR | |
| 235 NUMNAME (KILLTHR), | |
| 236 #endif | |
| 237 | |
| 238 /* Older HP-UX versions. */ | |
| 239 #ifdef SIGDIL | |
| 240 NUMNAME (DIL), | |
| 241 #endif | |
| 242 | |
| 243 /* Korn shell and Bash, of uncertain vintage. */ | |
| 244 { 0, "EXIT" } | |
| 245 }; | |
| 246 | |
| 247 #define NUMNAME_ENTRIES (sizeof numname_table / sizeof numname_table[0]) | |
| 248 | |
| 249 /* ISDIGIT differs from isdigit, as follows: | |
| 250 - Its arg may be any int or unsigned int; it need not be an unsigned char. | |
| 251 - It's guaranteed to evaluate its argument exactly once. | |
| 252 - It's typically faster. | |
| 253 POSIX says that only '0' through '9' are digits. Prefer ISDIGIT to | |
| 254 ISDIGIT_LOCALE unless it's important to use the locale's definition | |
| 255 of `digit' even when the host does not conform to POSIX. */ | |
| 5159 | 256 #define ISDIGIT(c) ((unsigned int) (c) - '0' <= 9) |
| 3821 | 257 |
| 258 /* Convert the signal name SIGNAME to a signal number. Return the | |
| 259 signal number if successful, -1 otherwise. */ | |
| 260 | |
| 261 static int | |
| 262 str2signum (char const *signame) | |
| 263 { | |
| 264 if (ISDIGIT (*signame)) | |
| 265 { | |
| 266 char *endp; | |
| 267 long int n = strtol (signame, &endp, 10); | |
| 268 if (! *endp && n <= SIGNUM_BOUND) | |
| 269 return n; | |
| 270 } | |
| 271 else | |
| 272 { | |
| 5159 | 273 unsigned int i; |
| 3821 | 274 for (i = 0; i < NUMNAME_ENTRIES; i++) |
| 275 if (strcmp (numname_table[i].name, signame) == 0) | |
| 276 return numname_table[i].num; | |
| 277 | |
| 278 { | |
| 279 char *endp; | |
| 280 int rtmin = SIGRTMIN; | |
| 281 int rtmax = SIGRTMAX; | |
| 282 | |
| 283 if (0 < rtmin && strncmp (signame, "RTMIN", 5) == 0) | |
| 284 { | |
| 285 long int n = strtol (signame + 5, &endp, 10); | |
| 286 if (! *endp && 0 <= n && n <= rtmax - rtmin) | |
| 287 return rtmin + n; | |
| 288 } | |
| 289 else if (0 < rtmax && strncmp (signame, "RTMAX", 5) == 0) | |
| 290 { | |
| 291 long int n = strtol (signame + 5, &endp, 10); | |
| 292 if (! *endp && rtmin - rtmax <= n && n <= 0) | |
| 293 return rtmax + n; | |
| 294 } | |
| 295 } | |
| 296 } | |
| 297 | |
| 298 return -1; | |
| 299 } | |
| 300 | |
| 301 /* Convert the signal name SIGNAME to the signal number *SIGNUM. | |
| 302 Return 0 if successful, -1 otherwise. */ | |
| 303 | |
| 304 int | |
| 305 str2sig (char const *signame, int *signum) | |
| 306 { | |
| 307 *signum = str2signum (signame); | |
| 308 return *signum < 0 ? -1 : 0; | |
| 309 } | |
| 310 | |
| 311 /* Convert SIGNUM to a signal name in SIGNAME. SIGNAME must point to | |
| 312 a buffer of at least SIG2STR_MAX bytes. Return 0 if successful, -1 | |
| 313 otherwise. */ | |
| 314 | |
| 315 int | |
| 316 sig2str (int signum, char *signame) | |
| 317 { | |
| 5159 | 318 unsigned int i; |
| 3821 | 319 for (i = 0; i < NUMNAME_ENTRIES; i++) |
| 320 if (numname_table[i].num == signum) | |
| 321 { | |
| 322 strcpy (signame, numname_table[i].name); | |
| 323 return 0; | |
| 324 } | |
| 325 | |
| 326 { | |
| 327 int rtmin = SIGRTMIN; | |
| 328 int rtmax = SIGRTMAX; | |
| 329 | |
| 330 if (! (rtmin <= signum && signum <= rtmax)) | |
| 331 return -1; | |
| 332 | |
| 333 if (signum <= rtmin + (rtmax - rtmin) / 2) | |
| 334 { | |
| 335 int delta = signum - rtmin; | |
| 336 sprintf (signame, delta ? "RTMIN+%d" : "RTMIN", delta); | |
| 337 } | |
| 338 else | |
| 339 { | |
| 340 int delta = rtmax - signum; | |
| 341 sprintf (signame, delta ? "RTMAX-%d" : "RTMAX", delta); | |
| 342 } | |
| 343 | |
| 344 return 0; | |
| 345 } | |
| 346 } |