error.c

   1
   2 #define IN_ERROR
   3 #include        "metad.h"
   4 #include        <stdio.h>
   5 #include        <stdarg.h>
   6 #define STDARGS
   7 /* following for irix6 !! */
   8 #define _VA_FP_SAVE_AREA 0
   9 static int error_dest = ERROR_STDERR;
  10 static char **error_str = NULL;
  11 int err_str_len;
  12
  13 int errors_to(int where, char **place)
  14 {
  15         int rv = error_dest;
  16         error_dest = where;
  17         if (where == ERROR_STRING)
  18                 error_str = place;
  19         if (rv == ERROR_SYSLOG && where != ERROR_SYSLOG)
  20                 closelog();
  21         if (where == ERROR_SYSLOG && rv != ERROR_SYSLOG)
  22         {
  23 #ifdef LOG_DAEMON
  24                 openlog("metad", LOG_PID, LOG_DAEMON);
  25 #else
  26                 openlog("metad", 0);
  27 #endif
  28         }
  29         return rv;
  30 }
  31
  32 void error(char *mesg, char *a, char *b, char *c)
  33 {
  34         char buf[1024];
  35
  36         sprintf(buf, mesg, a, b, c);
  37
  38         switch(error_dest)
  39         {
  40         case ERROR_STDERR:
  41                 fprintf(stderr, "metad: %s\n", buf);
  42                 break;
  43         case ERROR_STRING:
  44                 if (*error_str == NULL)
  45                 {
  46                         *error_str = (char*)malloc(err_str_len=(strlen(buf)+100));
  47                         strcpy(*error_str, buf);
  48                 }
  49                 else if (strlen(*error_str)+strlen(buf)+1 > err_str_len)
  50                 {
  51                         *error_str = (char*)realloc(*error_str, err_str_len += strlen(buf)+100);
  52                         strcat(*error_str, buf);
  53                 }
  54                 else
  55                         strcat(*error_str, buf);
  56                 break;
  57         case ERROR_SYSLOG:
  58                 syslog(LOG_ERR, "%s", buf);
  59                 break;
  60         }
  61 }
  62
  63 #ifdef STDARGS
  64 void logmsg(int level,...)
  65 #else
  66 void logmsg(va_alist)
  67 va_dcl
  68 #endif
  69 {
  70         va_list pvar;
  71         char buf[1024];
  72         char *format;
  73
  74 #ifdef STDARGS
  75         va_start(pvar, level);
  76 #else
  77         int level;
  78         va_start(pvar);
  79         level = va_arg(pvar, int);
  80 #endif
  81         format = va_arg(pvar, char *);
  82         vsprintf(buf, format, pvar);
  83         switch(error_dest)
  84         {
  85         case ERROR_STDERR:
  86                 fprintf(stderr, "metad: %s\n", buf);
  87                 break;
  88         case ERROR_STRING:
  89                 if (*error_str == NULL)
  90                 {
  91                         *error_str = (char*)malloc(err_str_len=(strlen(buf)+100));
  92                         strcpy(*error_str, buf);
  93                 }
  94                 else if (strlen(*error_str)+strlen(buf)+1 > err_str_len)
  95                 {
  96                         *error_str = (char*)realloc(*error_str, err_str_len += strlen(buf)+100);
  97                         strcat(*error_str, buf);
  98                 }
  99                 else
 100                         strcat(*error_str, buf);
 101                 break;
 102         case ERROR_SYSLOG:
 103                 syslog(level, "%s", buf);
 104                 break;
 105         }
 106 }
 107
 108 void dolog(service_t sv, proc_t p, char *buf)
 109 {
 110         logmsg(LOG_INFO, "%s: %d: %s\n", sv->service, p->pid, buf);
 111 }
 112