From 6f09840f3678e476855f3b381d40099c4c26c322 Mon Sep 17 00:00:00 2001
From: Charles Barnwell <cxb23@drexel.edu>
Date: Fri, 7 Feb 2025 00:33:27 +0000
Subject: [PATCH] Upload New File
---
2-StudentDB/db.h | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
create mode 100644 2-StudentDB/db.h
diff --git a/2-StudentDB/db.h b/2-StudentDB/db.h
new file mode 100644
index 0000000..dd178f3
--- /dev/null
+++ b/2-StudentDB/db.h
@@ -0,0 +1,35 @@
+#ifndef __DB_H__
+ #define __DB_H__
+
+// Basic student database record. Note:
+// 1. id must be > 0. A student id==0 means the record has been deleted
+// 2. gpa is an int, should be between 0<=gpa<=500, real gpa is gpa/100.0 this
+// simplifies dealing with floating point types
+// 3. Notice that the student struct was engineered to have a size of
+// 64 bytes. There are reasons for using such a number
+typedef struct student{
+ int id;
+ char fname[24];
+ char lname[32];
+ int gpa;
+} student_t;
+
+//Define limits for sudent ids and allowable GPA ranges. Note GPA values will
+//be stored as integers but printed as floats. For example a GPA of 450 is really
+//that value divided by 100.0 or 4.50.
+#define MIN_STD_ID 1
+#define MAX_STD_ID 100000
+#define MIN_STD_GPA 0
+#define MAX_STD_GPA 500
+
+//some useful constants you should consider using versus hard coding
+//in your program.
+static const student_t EMPTY_STUDENT_RECORD = {0};
+static const int STUDENT_RECORD_SIZE = sizeof(struct student);
+static const int DELETED_STUDENT_ID = 0;
+
+
+#define DB_FILE "student.db" //name of database file
+#define TMP_DB_FILE ".tmp_student.db" //for extra credit
+
+#endif
--
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