ReadConfig.c

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/*  ReadConfig
 *    reads the sws.config file and returns answers based on
 *    query tokens
 */
 
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
 
int ReadConfig(char *answer, char *query)
{
char *penv, *p;
FILE *fpin;
char fname[400];
char buff[200];
int err;
 
  penv = getenv("SWSLOC");
  if(!penv) return(-1);
 
  sprintf(fname,"%s/sws.config", penv);
 
  if((fpin = fopen(fname,"r")) == NULL)
   return(-2);
 
  err = -3;
 
  while(fgets(buff, sizeof(buff), fpin) != NULL) 
  {
    if(buff[0] != '#') 
    {
      p = strtok(buff, "=");
      if(strstr(p,query)) 
      {
        p = strtok('\0'," ");
        strcpy(answer, p);
        err = 0;
      }
    }
  }
 
  fclose(fpin);
  return(err);
}