lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2002 Manuel Novoa III |
| 3 | * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org> |
| 4 | * |
| 5 | * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. |
| 6 | */ |
| 7 | |
| 8 | #include <features.h> |
| 9 | #include <stdio.h> |
| 10 | #include <string.h> |
| 11 | #include <signal.h> |
| 12 | |
| 13 | |
| 14 | /* TODO: make this threadsafe with a reentrant version of strsignal? */ |
| 15 | |
| 16 | void psignal(int signum, register const char *message) |
| 17 | { |
| 18 | /* If the program is calling psignal, it's a safe bet that printf and |
| 19 | * friends are used as well. It is also possible that the calling |
| 20 | * program could buffer stderr, or reassign it. */ |
| 21 | |
| 22 | register const char *sep; |
| 23 | |
| 24 | sep = ": "; |
| 25 | if (!(message && *message)) { /* Caller did not supply a prefix message */ |
| 26 | message = (sep += 2); /* or passed an empty string. */ |
| 27 | } |
| 28 | |
| 29 | fprintf(stderr, "%s%s%s\n", message, sep, strsignal(signum)); |
| 30 | } |