1 /* Copyright (C) 1991,1992,1995-1997,2001,2002 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19 #include <stdio.h> 20 #include <signal.h> 21 #include <stdlib.h> 22 #include <libintl.h> 23 #ifdef USE_IN_LIBIO 24 # include <wchar.h> 25 #endif 26 27 28 #ifndef HAVE_GNU_LD 29 #define _sys_siglist sys_siglist 30 #endif 31 32 /* Defined in sys_siglist.c. */ 33 extern const char *const _sys_siglist[]; 34 extern const char *const _sys_siglist_internal[] attribute_hidden; 35 36 37 /* Print out on stderr a line consisting of the test in S, a colon, a space, 38 a message describing the meaning of the signal number SIG and a newline. 39 If S is NULL or "", the colon and space are omitted. */ 40 void 41 psignal (int sig, const char *s) 42 { 43 const char *colon, *desc; 44 45 if (s == NULL || s == '\0') 46 s = colon = ""; 47 else 48 colon = ": "; 49 50 if (sig >= 0 && sig < NSIG && (desc = INTUSE(_sys_siglist)[sig]) != NULL) 51 { 52 #ifdef USE_IN_LIBIO 53 if (_IO_fwide (stderr, 0) > 0) 54 (void) __fwprintf (stderr, L"%s%s%s\n", s, colon, _(desc)); 55 else 56 #endif 57 (void) fprintf (stderr, "%s%s%s\n", s, colon, _(desc)); 58 } 59 else 60 { 61 char *buf; 62 63 (void) __asprintf (&buf, _("%s%sUnknown signal %d\n"), s, colon, sig); 64 65 #ifdef USE_IN_LIBIO 66 if (_IO_fwide (stderr, 0) > 0) 67 (void) __fwprintf (stderr, L"%s", buf); 68 else 69 #endif 70 (void) fputs (buf, stderr); 71 72 free (buf); 73 } 74 } 75