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report.c revision 1.3 
      1 /*	$NetBSD: report.c,v 1.3 1998/03/14 04:39:55 lukem Exp $	*/
      2 
      3 #include <sys/cdefs.h>
      4 #ifndef lint
      5 __RCSID("$NetBSD: report.c,v 1.3 1998/03/14 04:39:55 lukem Exp $");
      6 #endif
      7 
      8 /*
      9  * report() - calls syslog
     10  */
     11 
     12 #ifdef	__STDC__
     13 #include <stdarg.h>
     14 #else
     15 #include <varargs.h>
     16 #endif
     17 
     18 #include <stdio.h>
     19 #include <string.h>
     20 #include <syslog.h>
     21 
     22 #include "report.h"
     23 
     24 #ifndef LOG_NDELAY
     25 #define LOG_NDELAY	0
     26 #endif
     27 #ifndef LOG_DAEMON
     28 #define LOG_DAEMON	0
     29 #endif
     30 #ifndef	LOG_BOOTP
     31 #define LOG_BOOTP	LOG_DAEMON
     32 #endif
     33 
     34 extern int debug;
     35 extern char *progname;
     36 
     37 /*
     38  * This is initialized so you get stderr until you call
     39  *	report_init()
     40  */
     41 static int stderr_only = 1;
     42 
     43 void
     44 report_init(nolog)
     45 	int nolog;
     46 {
     47 	stderr_only = nolog;
     48 #ifdef SYSLOG
     49 	if (!stderr_only) {
     50 		openlog(progname, LOG_PID | LOG_NDELAY, LOG_BOOTP);
     51 	}
     52 #endif
     53 }
     54 
     55 /*
     56  * This routine reports errors and such via stderr and syslog() if
     57  * appopriate.  It just helps avoid a lot of "#ifdef SYSLOG" constructs
     58  * from being scattered throughout the code.
     59  *
     60  * The syntax is identical to syslog(3), but %m is not considered special
     61  * for output to stderr (i.e. you'll see "%m" in the output. . .).  Also,
     62  * control strings should normally end with \n since newlines aren't
     63  * automatically generated for stderr output (whereas syslog strips out all
     64  * newlines and adds its own at the end).
     65  */
     66 
     67 static char *levelnames[] = {
     68 #ifdef LOG_SALERT
     69 	"level(0): ",
     70 	"alert(1): ",
     71 	"alert(2): ",
     72 	"emerg(3): ",
     73 	"error(4): ",
     74 	"crit(5):  ",
     75 	"warn(6):  ",
     76 	"note(7):  ",
     77 	"info(8):  ",
     78 	"debug(9): ",
     79 	"level(?): "
     80 #else
     81 	"emerg(0): ",
     82 	"alert(1): ",
     83 	"crit(2):  ",
     84 	"error(3): ",
     85 	"warn(4):  ",
     86 	"note(5):  ",
     87 	"info(6):  ",
     88 	"debug(7): ",
     89 	"level(?): "
     90 #endif
     91 };
     92 static int numlevels = sizeof(levelnames) / sizeof(levelnames[0]);
     93 
     94 
     95 /*
     96  * Print a log message using syslog(3) and/or stderr.
     97  * The message passed in should not include a newline.
     98  */
     99 #ifdef	__STDC__
    100 void
    101 report(int priority, char *fmt,...)
    102 #else
    103 /*VARARGS2*/
    104 void
    105 report(priority, fmt, va_alist)
    106 	int priority;
    107 	char *fmt;
    108 	va_dcl
    109 #endif
    110 {
    111 	va_list ap;
    112 	static char buf[128];
    113 
    114 	if ((priority < 0) || (priority >= numlevels)) {
    115 		priority = numlevels - 1;
    116 	}
    117 #ifdef	__STDC__
    118 	va_start(ap, fmt);
    119 #else
    120 	va_start(ap);
    121 #endif
    122 	vsprintf(buf, fmt, ap);
    123 	va_end(ap);
    124 
    125 	/*
    126 	 * Print the message
    127 	 */
    128 	if (stderr_only || (debug > 2)) {
    129 		fprintf(stderr, "%s: %s %s\n",
    130 				progname, levelnames[priority], buf);
    131 	}
    132 #ifdef SYSLOG
    133 	if (!stderr_only)
    134 		syslog((priority | LOG_BOOTP), "%s", buf);
    135 #endif
    136 }
    137 
    138 
    140 
    141 /*
    142  * Return pointer to static string which gives full filesystem error message.
    143  */
    144 char *
    145 get_errmsg()
    146 {
    147 	extern int errno;
    148 
    149 	return strerror(errno);
    150 }
    151 
    152 /*
    153  * Local Variables:
    154  * tab-width: 4
    155  * c-indent-level: 4
    156  * c-argdecl-indent: 4
    157  * c-continued-statement-offset: 4
    158  * c-continued-brace-offset: -4
    159  * c-label-offset: -4
    160  * c-brace-offset: 0
    161  * End:
    162  */
    163