libexec/bootpd/report.c

   1 /* $FreeBSD: src/libexec/bootpd/report.c,v 1.2.6.2 2001/03/05 10:58:59 kris Exp $ */
   2 /* $DragonFly: src/libexec/bootpd/report.c,v 1.2 2003/06/17 04:27:07 dillon Exp $ */
   3
   4 /*
   5  * report() - calls syslog
   6  */
   7
   8 #ifdef  __STDC__
   9 #include <stdarg.h>
  10 #else
  11 #include <varargs.h>
  12 #endif
  13
  14 #include <stdio.h>
  15 #include <syslog.h>
  16 #include <string.h>
  17 #include <errno.h>
  18
  19 #include "report.h"
  20
  21 #ifndef LOG_NDELAY
  22 #define LOG_NDELAY      0
  23 #endif
  24 #ifndef LOG_DAEMON
  25 #define LOG_DAEMON      0
  26 #endif
  27 #ifndef LOG_BOOTP
  28 #define LOG_BOOTP       LOG_DAEMON
  29 #endif
  30
  31 extern int debug;
  32 extern char *progname;
  33
  34 /*
  35  * This is initialized so you get stderr until you call
  36  *      report_init()
  37  */
  38 static int stderr_only = 1;
  39
  40 void
  41 report_init(int nolog)
  42 {
  43         stderr_only = nolog;
  44 #ifdef SYSLOG
  45         if (!stderr_only) {
  46                 openlog(progname, LOG_PID | LOG_NDELAY, LOG_BOOTP);
  47         }
  48 #endif
  49 }
  50
  51 /*
  52  * This routine reports errors and such via stderr and syslog() if
  53  * appopriate.  It just helps avoid a lot of "#ifdef SYSLOG" constructs
  54  * from being scattered throughout the code.
  55  *
  56  * The syntax is identical to syslog(3), but %m is not considered special
  57  * for output to stderr (i.e. you'll see "%m" in the output. . .).  Also,
  58  * control strings should normally end with \n since newlines aren't
  59  * automatically generated for stderr output (whereas syslog strips out all
  60  * newlines and adds its own at the end).
  61  */
  62
  63 static char *levelnames[] = {
  64 #ifdef LOG_SALERT
  65         "level(0): ",
  66         "alert(1): ",
  67         "alert(2): ",
  68         "emerg(3): ",
  69         "error(4): ",
  70         "crit(5):  ",
  71         "warn(6):  ",
  72         "note(7):  ",
  73         "info(8):  ",
  74         "debug(9): ",
  75         "level(?): "
  76 #else
  77         "emerg(0): ",
  78         "alert(1): ",
  79         "crit(2):  ",
  80         "error(3): ",
  81         "warn(4):  ",
  82         "note(5):  ",
  83         "info(6):  ",
  84         "debug(7): ",
  85         "level(?): "
  86 #endif
  87 };
  88 static int numlevels = sizeof(levelnames) / sizeof(levelnames[0]);
  89
  90
  91 /*
  92  * Print a log message using syslog(3) and/or stderr.
  93  * The message passed in should not include a newline.
  94  */
  95 #ifdef  __STDC__
  96 void
  97 report(int priority, const char *fmt,...)
  98 #else
  99 /*VARARGS2*/
 100 void
 101 report(priority, fmt, va_alist)
 102         int priority;
 103         const char *fmt;
 104         va_dcl
 105 #endif
 106 {
 107         va_list ap;
 108         static char buf[128];
 109
 110         if ((priority < 0) || (priority >= numlevels)) {
 111                 priority = numlevels - 1;
 112         }
 113 #ifdef  __STDC__
 114         va_start(ap, fmt);
 115 #else
 116         va_start(ap);
 117 #endif
 118         vsnprintf(buf, sizeof(buf), fmt, ap);
 119         va_end(ap);
 120
 121         /*
 122          * Print the message
 123          */
 124         if (stderr_only || (debug > 2)) {
 125                 fprintf(stderr, "%s: %s %s\n",
 126                                 progname, levelnames[priority], buf);
 127         }
 128 #ifdef SYSLOG
 129         if (!stderr_only)
 130                 syslog((priority | LOG_BOOTP), "%s", buf);
 131 #endif
 132 }
 133 \f
 134
 135
 136 /*
 137  * Return pointer to static string which gives full filesystem error message.
 138  */
 139 const char *
 140 get_errmsg(void)
 141 {
 142         return strerror(errno);
 143 }
 144
 145 /*
 146  * Local Variables:
 147  * tab-width: 4
 148  * c-indent-level: 4
 149  * c-argdecl-indent: 4
 150  * c-continued-statement-offset: 4
 151  * c-continued-brace-offset: -4
 152  * c-label-offset: -4
 153  * c-brace-offset: 0
 154  * End:
 155  */