#include "include.h"
#include "extern.h"

readdatafile()
{
 FILE *fp;
 char str[256], str1[256], *tmp, *ptr, *getline(), *genchar();
 int done = 0;
 register int i, keynum;
 entry *genentry();
 float key, atof(), tmpkeylist[MAXNUMKEYS];

 fp = fopen(AUCDATAFILE, "r");
 if(fp == NULL) {
   printf("Cannot open %s for read. Exiting.\n",AUCDATAFILE);
   exit(-1);
 }

 while(!done) {
   tmp = getline(str,fp);		/* get name of entry */
   numentries++;		        /* inc number of entries */
   if(tmp) {
     temp = genentry();            	/* create a new entry */

     if(head == NULL) {           	/* if first entry, initialize list */
       head = temp;
       curr = head;
     }
     else
       curr -> next = temp;
     curr = temp;
     curr -> name = genchar(strlen(str) + 1);
     strcpy(curr -> name, str);
   }
   else 
     done = 1;

   if(!done)
     tmp = getline(str,fp);		/* get email address of entry */  
   if(tmp) {
     curr -> email = genchar(strlen(str) + 1);
     strcpy(curr -> email, str);
   }
   else
     done = 1;

   if(!done)
     tmp = getline(str,fp);		/* get system desc of entry */  
   if(tmp) {
     curr -> system = genchar(strlen(str) + 1);
     strcpy(curr -> system, str);
   }
   else
     done = 1;

   if(!done)
     tmp = getline(str,fp);		/* get keycodes of entry */  
   if(tmp) {
     done = 1;				/* done = 1 if key read, else 0 */
     keynum = 0;
     ptr = str;
     while(done > 0) {
       done = sscanf(ptr,"%s",str1);
       if(done > 0) {
         sscanf(str1,"%f",&tmpkeylist[keynum++]);
         ptr += (strlen(str1) + 1);
       }
       if(keynum == MAXNUMKEYS) {
         done = -1;
         printf("To many interests encountered for %s.\n",curr -> name);
       }
     }	
     done = 0;
   }
   else
     done = 1;

   curr -> keys = (float *) genchar(sizeof(float)*keynum);
   curr -> numkeys = keynum;
   for(i = 0; i < keynum; i++) {
      curr -> keys[i] = tmpkeylist[i];
   }

   if(!done)
     tmp = getline(str,fp);		/* get comment of entry */  
   if(tmp) {
     curr -> comment = genchar(strlen(str) + 1);
     strcpy(curr -> comment, str);
   }
   else
     done = 1;
 }
 fclose(fp);
}