reorganization

dataio.c

@@ -1,46 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include "dataio.h"
-
-int modify_credit(name, price)
-    const char* name;
-    int price;
-{
-    char filename[20];
-    int i;
-    int credit;
-    FILE* person_data;
-
-    strcpy(filename, "DATA\\");
-    i = 5;
-    strncpy(&filename[i], name, 8);
-    if (strlen(name) > 8) {
-        i += 8;
-    } else {
-        i += strlen(name);
-    }
-    strcpy(&filename[i], ".txt");
-    person_data = fopen(filename, "r");
-
-    if (person_data == NULL) {
-//        printf("Warning: Filename %s does not exist!\n", filename);
-        credit = 0;
-    } else {
-        fscanf(person_data, "%i", &credit);
-        fclose(person_data);
-    }
-
-    // Write only if the price would change credit
-    if (price != 0) {
-        credit += price;
-        person_data = fopen(filename, "w");
-        if (person_data == NULL) {
-//            printf("ERROR: Filename %s could not be created or overwritten!\nCheck system integrity!\n", filename);
-        } else {
-            fprintf(person_data, "%i", credit);
-            fclose(person_data);
-        }
-    }
-
-    return credit;
-}