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(nolog)
  42         int nolog;
  43 {
  44         stderr_only = nolog;
  45 #ifdef SYSLOG
  46         if (!stderr_only) {
  47                 openlog(progname, LOG_PID | LOG_NDELAY, LOG_BOOTP);
  48         }
  49 #endif
  50 }
  51
  52 /*
  53  * This routine reports errors and such via stderr and syslog() if
  54  * appopriate.  It just helps avoid a lot of "#ifdef SYSLOG" constructs
  55  * from being scattered throughout the code.
  56  *
  57  * The syntax is identical to syslog(3), but %m is not considered special
  58  * for output to stderr (i.e. you'll see "%m" in the output. . .).  Also,
  59  * control strings should normally end with \n since newlines aren't
  60  * automatically generated for stderr output (whereas syslog strips out all
  61  * newlines and adds its own at the end).
  62  */
  63
  64 static char *levelnames[] = {
  65 #ifdef LOG_SALERT
  66         "level(0): ",
  67         "alert(1): ",
  68         "alert(2): ",
  69         "emerg(3): ",
  70         "error(4): ",
  71         "crit(5):  ",
  72         "warn(6):  ",
  73         "note(7):  ",
  74         "info(8):  ",
  75         "debug(9): ",
  76         "level(?): "
  77 #else
  78         "emerg(0): ",
  79         "alert(1): ",
  80         "crit(2):  ",
  81         "error(3): ",
  82         "warn(4):  ",
  83         "note(5):  ",
  84         "info(6):  ",
  85         "debug(7): ",
  86         "level(?): "
  87 #endif
  88 };
  89 static int numlevels = sizeof(levelnames) / sizeof(levelnames[0]);
  90
  91
  92 /*
  93  * Print a log message using syslog(3) and/or stderr.
  94  * The message passed in should not include a newline.
  95  */
  96 #ifdef  __STDC__
  97 void
  98 report(int priority, const char *fmt,...)
  99 #else
 100 /*VARARGS2*/
 101 void
 102 report(priority, fmt, va_alist)
 103         int priority;
 104         const char *fmt;
 105         va_dcl
 106 #endif
 107 {
 108         va_list ap;
 109         static char buf[128];
 110
 111         if ((priority < 0) || (priority >= numlevels)) {
 112                 priority = numlevels - 1;
 113         }
 114 #ifdef  __STDC__
 115         va_start(ap, fmt);
 116 #else
 117         va_start(ap);
 118 #endif
 119         vsnprintf(buf, sizeof(buf), fmt, ap);
 120         va_end(ap);
 121
 122         /*
 123          * Print the message
 124          */
 125         if (stderr_only || (debug > 2)) {
 126                 fprintf(stderr, "%s: %s %s\n",
 127                                 progname, levelnames[priority], buf);
 128         }
 129 #ifdef SYSLOG
 130         if (!stderr_only)
 131                 syslog((priority | LOG_BOOTP), "%s", buf);
 132 #endif
 133 }
 134 \f
 135
 136
 137 /*
 138  * Return pointer to static string which gives full filesystem error message.
 139  */
 140 const char *
 141 get_errmsg()
 142 {
 143         return strerror(errno);
 144 }
 145
 146 /*
 147  * Local Variables:
 148  * tab-width: 4
 149  * c-indent-level: 4
 150  * c-argdecl-indent: 4
 151  * c-continued-statement-offset: 4
 152  * c-continued-brace-offset: -4
 153  * c-label-offset: -4
 154  * c-brace-offset: 0
 155  * End:
 156  */