flog_file.c

   1 /*!
   2         @file flog_file.c
   3         @brief file output for Flog
   4         @author Nabeel Sowan (nabeel.sowan@vibes.se)
   5
   6         When you want flog to write to a file
   7         Choose logfile name by setting data to string
   8 */
   9
  10 #include "flog_file.h"
  11 #include <stdlib.h>
  12 #include <stdio.h>
  13
  14 int flog_output_file(FLOG_T *log,const FLOG_MSG_T *msg)
  15 {
  16         char *str;
  17         int e=0;
  18         if((str=flog_msg_t_to_str(msg))==NULL)
  19                 return(1);
  20         if(log->output_func_data==NULL) {
  21                 log->output_error=1;
  22                 flog_print(log->error_log,FLOG_ERROR,"flog_file_output","please set log output filename");
  23                 e=1;
  24         } else {
  25                 FILE *f;
  26                 if((f = fopen(log->output_func_data,"a+t"))==NULL) {
  27                         log->output_error=1;
  28                         flog_printf(log->error_log,FLOG_ERROR,NULL,"cannot open file: %s",log->output_func_data);
  29                         e=1;
  30                 } else {
  31                         if(fprintf(f,str)<0) {
  32                                 log->output_error=1;
  33                                 flog_printf(log->error_log,FLOG_ERROR,"fprintf","cannot write to file: %s",log->output_func_data);
  34                                 e=1;
  35                         }
  36                         if(fclose(f)==EOF) {
  37                                 log->output_error=1;
  38                                 flog_printf(log->error_log,FLOG_ERROR,"fflush","cannot write to file: %s",log->output_func_data);
  39                                 e=1;
  40                         }
  41                 }
  42         }
  43         free(str);
  44         return(e);
  45 }