diff options
Diffstat (limited to 'libc/string/psignal.c')
-rw-r--r-- | libc/string/psignal.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/libc/string/psignal.c b/libc/string/psignal.c new file mode 100644 index 000000000..b6d6a30c0 --- /dev/null +++ b/libc/string/psignal.c @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2002 Manuel Novoa III + * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include <features.h> +#include <stdio.h> +#include <string.h> + +extern char *__strsignal (int __sig) __THROW attribute_hidden; + +/* TODO: make this threadsafe with a reentrant version of strsignal? */ + +void psignal(int signum, register const char *message) +{ + /* If the program is calling psignal, it's a safe bet that printf and + * friends are used as well. It is also possible that the calling + * program could buffer stderr, or reassign it. */ + + register const char *sep; + + sep = ": "; + if (!(message && *message)) { /* Caller did not supply a prefix message */ + message = (sep += 2); /* or passed an empty string. */ + } + + fprintf(stderr, "%s%s%s\n", message, sep, __strsignal(signum)); +} |