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annotate src/log.c @ 185:fed1334d766b noffle

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[svn] * src/client.c: Change variable only used on constant to 'const'. * src/filter.c: Add a couple of 'return's after ASSERT() to remove compiler warnings about functions needing returns. * NEWS,TODO,configure,configure.in,noffle.conf.example,docs/NOTES, docs/noffle.conf.5,src/client.c,src/configfile.c,src/content.c, src/control.c,src/database.c,src/fetch.c,src/fetchlist.c,src/filter.c, src/group.c,src/lock.c,src/log.c,src/log.h,src/noffle.c,src/outgoing.c, src/post.c,src/protocol.c,src/request.c,src/server.c,src/util.c: Debug logging is always compiled and selected via noffle.conf. All debug logs are classified as all, none, config, control, expire, fetch, filter, newsbase, noffle, post, protocol, requests and server.
author bears
date Sun, 05 Aug 2001 09:24:22 +0100
parents c874bd3c4bb8
children 755e03bc7dcf
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 log.c
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3
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4 $Id: log.c 300 2001-08-05 08:24:22Z bears $
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5 */
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6
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7 #if HAVE_CONFIG_H
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8 #include <config.h>
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9 #endif
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11 #include <syslog.h>
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12 #include <stdarg.h>
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13 #include "common.h"
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14 #include "log.h"
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15 #include "portable.h"
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16
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17 #define MAXLENGTH 240
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18
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19 #define DEFAULT_DBG_MASK LOG_DBG_NONE
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21 struct
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22 {
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23 Bool interactive;
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24 unsigned debugMask;
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25 } log = { FALSE, DEFAULT_DBG_MASK };
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27 void
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28 Log_init( const char *name, Bool interactive, int facility )
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29 {
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30 int option = LOG_PID | LOG_CONS;
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32 log.interactive = interactive;
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33 openlog( name, option, facility );
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34 }
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35
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36 #define DO_LOG( LEVEL ) \
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37 va_list ap; \
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38 Str t; \
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39 \
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40 va_start( ap, fmt ); \
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41 vsnprintf( t, MAXCHAR, fmt, ap ); \
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42 if ( MAXLENGTH < MAXCHAR ) \
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43 t[ MAXLENGTH ] = '\0'; \
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44 syslog( LEVEL, "%s", t ); \
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45 if ( log.interactive ) \
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46 fprintf( stderr, "%s\n", t ); \
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47 va_end( ap );
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49 void
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50 Log_inf( const char *fmt, ... )
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51 {
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52 DO_LOG( LOG_INFO );
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53 }
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55 void
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56 Log_err( const char *fmt, ... )
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57 {
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58 DO_LOG( LOG_ERR );
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59 }
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61 /* Ensure the condition "cond" is true; otherwise log an error and return 1 */
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62 int
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63 Log_check(int cond, const char *fmt, ... )
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64 {
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65 if (!cond) {
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66 DO_LOG( LOG_ERR );
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67 return 1;
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68 }
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69 return 0;
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70 }
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71
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72 void
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73 Log_ntc( const char *fmt, ... )
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74 {
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75 DO_LOG( LOG_NOTICE );
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76 }
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77
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78 void
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79 Log_dbg( unsigned subsystem, const char *fmt, ... )
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80 {
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81 if ( ( subsystem & log.debugMask ) != 0 ) {
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82 DO_LOG( LOG_DEBUG );
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83 }
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84 }
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85
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86 void
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87 Log_setDbgMask( unsigned mask )
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88 {
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89 /* A non-zero mask always include Noffle logs */
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90 if ( mask != 0 )
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91 mask |= LOG_DBG_NOFFLE;
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92
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93 log.debugMask = mask;
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94 }