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report.c revision 1.2 
      1 /*	$NetBSD: report.c,v 1.2 1998/01/09 08:09:15 perry Exp $	*/
      2 
      3 /*
      4  * report() - calls syslog
      5  */
      6 
      7 #ifdef	__STDC__
      8 #include <stdarg.h>
      9 #else
     10 #include <varargs.h>
     11 #endif
     12 
     13 #include <stdio.h>
     14 #include <syslog.h>
     15 
     16 #include "report.h"
     17 
     18 #ifndef LOG_NDELAY
     19 #define LOG_NDELAY	0
     20 #endif
     21 #ifndef LOG_DAEMON
     22 #define LOG_DAEMON	0
     23 #endif
     24 #ifndef	LOG_BOOTP
     25 #define LOG_BOOTP	LOG_DAEMON
     26 #endif
     27 
     28 extern int debug;
     29 extern char *progname;
     30 
     31 /*
     32  * This is initialized so you get stderr until you call
     33  *	report_init()
     34  */
     35 static int stderr_only = 1;
     36 
     37 void
     38 report_init(nolog)
     39 	int nolog;
     40 {
     41 	stderr_only = nolog;
     42 #ifdef SYSLOG
     43 	if (!stderr_only) {
     44 		openlog(progname, LOG_PID | LOG_NDELAY, LOG_BOOTP);
     45 	}
     46 #endif
     47 }
     48 
     49 /*
     50  * This routine reports errors and such via stderr and syslog() if
     51  * appopriate.  It just helps avoid a lot of "#ifdef SYSLOG" constructs
     52  * from being scattered throughout the code.
     53  *
     54  * The syntax is identical to syslog(3), but %m is not considered special
     55  * for output to stderr (i.e. you'll see "%m" in the output. . .).  Also,
     56  * control strings should normally end with \n since newlines aren't
     57  * automatically generated for stderr output (whereas syslog strips out all
     58  * newlines and adds its own at the end).
     59  */
     60 
     61 static char *levelnames[] = {
     62 #ifdef LOG_SALERT
     63 	"level(0): ",
     64 	"alert(1): ",
     65 	"alert(2): ",
     66 	"emerg(3): ",
     67 	"error(4): ",
     68 	"crit(5):  ",
     69 	"warn(6):  ",
     70 	"note(7):  ",
     71 	"info(8):  ",
     72 	"debug(9): ",
     73 	"level(?): "
     74 #else
     75 	"emerg(0): ",
     76 	"alert(1): ",
     77 	"crit(2):  ",
     78 	"error(3): ",
     79 	"warn(4):  ",
     80 	"note(5):  ",
     81 	"info(6):  ",
     82 	"debug(7): ",
     83 	"level(?): "
     84 #endif
     85 };
     86 static int numlevels = sizeof(levelnames) / sizeof(levelnames[0]);
     87 
     88 
     89 /*
     90  * Print a log message using syslog(3) and/or stderr.
     91  * The message passed in should not include a newline.
     92  */
     93 #ifdef	__STDC__
     94 void
     95 report(int priority, char *fmt,...)
     96 #else
     97 /*VARARGS2*/
     98 void
     99 report(priority, fmt, va_alist)
    100 	int priority;
    101 	char *fmt;
    102 	va_dcl
    103 #endif
    104 {
    105 	va_list ap;
    106 	static char buf[128];
    107 
    108 	if ((priority < 0) || (priority >= numlevels)) {
    109 		priority = numlevels - 1;
    110 	}
    111 #ifdef	__STDC__
    112 	va_start(ap, fmt);
    113 #else
    114 	va_start(ap);
    115 #endif
    116 	vsprintf(buf, fmt, ap);
    117 	va_end(ap);
    118 
    119 	/*
    120 	 * Print the message
    121 	 */
    122 	if (stderr_only || (debug > 2)) {
    123 		fprintf(stderr, "%s: %s %s\n",
    124 				progname, levelnames[priority], buf);
    125 	}
    126 #ifdef SYSLOG
    127 	if (!stderr_only)
    128 		syslog((priority | LOG_BOOTP), "%s", buf);
    129 #endif
    130 }
    131 
    132 
    134 
    135 /*
    136  * Return pointer to static string which gives full filesystem error message.
    137  */
    138 char *
    139 get_errmsg()
    140 {
    141 	extern int errno;
    142 	extern char *strerror();
    143 
    144 	return strerror(errno);
    145 }
    146 
    147 /*
    148  * Local Variables:
    149  * tab-width: 4
    150  * c-indent-level: 4
    151  * c-argdecl-indent: 4
    152  * c-continued-statement-offset: 4
    153  * c-continued-brace-offset: -4
    154  * c-label-offset: -4
    155  * c-brace-offset: 0
    156  * End:
    157  */
    158