/* $OpenBSD: diag.c,v 1.3 2002/06/07 00:05:09 itojun Exp $ */ /* * Routines to report various classes of problems. Each report is decorated * with the current context (file name and line number), if available. * * tcpd_warn() reports a problem and proceeds. * * tcpd_jump() reports a problem and jumps. * * Author: Wietse Venema, Eindhoven University of Technology, The Netherlands. */ #ifndef lint #if 0 static char sccsid[] = "@(#) diag.c 1.1 94/12/28 17:42:20"; #else static char rcsid[] = "$OpenBSD: diag.c,v 1.3 2002/06/07 00:05:09 itojun Exp $"; #endif #endif /* System libraries */ #include #include #include #include /* Local stuff */ #include "tcpd.h" struct tcpd_context tcpd_context; jmp_buf tcpd_buf; static void tcpd_diag(int, char *, char *, va_list) __attribute__((__format__(__printf__, 3, 0))); /* tcpd_diag - centralize error reporter */ static void tcpd_diag(severity, tag, format, ap) int severity; char *tag; char *format; va_list ap; { char fmt[BUFSIZ]; if (tcpd_context.file) sprintf(fmt, "%s: %s, line %d: %s", tag, tcpd_context.file, tcpd_context.line, format); else sprintf(fmt, "%s: %s", tag, format); vsyslog(severity, fmt, ap); } /* tcpd_warn - report problem of some sort and proceed */ void tcpd_warn(char *format, ...) { va_list ap; va_start(ap, format); tcpd_diag(LOG_ERR, "warning", format, ap); va_end(ap); } /* tcpd_jump - report serious problem and jump */ void tcpd_jump(char *format, ...) { va_list ap; va_start(ap, format); tcpd_diag(LOG_ERR, "error", format, ap); va_end(ap); longjmp(tcpd_buf, AC_ERROR); }