cookie.c

   1 #define _GNU_SOURCE
   2 #include <stdio.h>
   3 #include <string.h>
   4 #include <syslog.h>
   5
   6 #include "cookie.h"
   7
   8 static char const *priov[] = {
   9         [LOG_EMERG]     =       "EMERG:",
  10         [LOG_ALERT]     =       "ALERT:",
  11         [LOG_CRIT]      =       "CRIT:",
  12         [LOG_ERR]       =       "ERR:",
  13         [LOG_WARNING]   =       "WARNING:",
  14         [LOG_NOTICE]    =       "NOTICE:",
  15         [LOG_INFO]      =       "INFO:",
  16         [LOG_DEBUG]     =       "DEBUG:",
  17 };
  18
  19 static ssize_t cookie_writer(void *cookie, char const *data, size_t leng)
  20 {
  21         int prio = LOG_DEBUG, len;
  22
  23         do {
  24                 len = strlen(priov[prio]);
  25         } while (memcmp(data, priov[prio], len) && --prio >= 0);
  26
  27         if (prio < 0) {
  28                 prio = LOG_INFO;
  29         } else {
  30                 data += len;
  31                 leng -= len;
  32         }
  33
  34         while (*data == ' ') {
  35                  ++data;
  36                 --leng;
  37         }
  38
  39         syslog(prio, "%.*s", (int) leng, data);
  40
  41         return leng;
  42 }
  43
  44 static cookie_io_functions_t cookie_log = {
  45         .write          =       cookie_writer,
  46 };
  47
  48 void to_std_log(FILE **fp)
  49 {
  50         setvbuf(*fp = fopencookie(NULL, "w", cookie_log), NULL, _IOLBF, 0);
  51 }