refactor

buffer.c

@@ -0,0 +1,43 @@
+#include "buffer.h"
+#include "record.h"
+#include "status_codes.h"
+
+buffer create_buffer(int capacity)
+{
+    buffer out;
+    out.length = 0;
+    out.capacity = capacity;
+    out.location = malloc(sizeof(record) * capacity);
+    return out;
+}
+
+int read_buffer(buffer* buff, FILE* in)
+{
+    int status;
+    record* current = buff->location;
+    buff->length = 0;
+    for (int i = 0; i < buff->capacity; i++) {
+        status = read_record(in, current);
+        if (status != SUCCESS) {
+            return status;
+        }
+        buff->length++;
+        current++;
+    }
+    return SUCCESS;
+}
+
+int write_buffer(buffer* buff, FILE* out)
+{
+    int status;
+    record* current = buff->location;
+    for (int i = 0; i < buff->length; i++) {
+        status = print_record(out, current);
+        if (status < 0) {
+            return status;
+        }
+        fprintf(out, "\n");
+        current++;
+    }
+    return SUCCESS;
+}