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 } 131 132 133 134 /* 135 * Return pointer to static string which gives full filesystem error message. 136 */ 137 char * 138 get_errmsg() 139 { 140 extern int errno; 141 extern char *strerror(); 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 */ 157