usr/src/lib/libc/gen/psignal.c

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)psignal.c   5.3 (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */

/*
 * Print the name of the signal indicated
 * along with the supplied message.
 */
#include <signal.h>

extern  char *sys_siglist[];

psignal(sig, s)
        unsigned int sig;
        char *s;
{
        register char *c;
        register int n;

        if (sig < NSIG)
                c = sys_siglist[sig];
        else
                c = "Unknown signal";
        n = strlen(s);
        if (n) {
                (void)write(2, s, n);
                (void)write(2, ": ", 2);
        }
        (void)write(2, c, strlen(c));
        (void)write(2, "\n", 1);
}