Edit sdbsc.c

w4hw/codes/sdbsc.c

@@ -127,44 +127,44 @@ int add_student(int fd, int id, char *fname, char *lname, int gpa)
     student_t student = {0};  // Empty struct to check existing record
     off_t offset = id * STUDENT_RECORD_SIZE;
 
-    // 🔹 Validate ID and GPA Range
+    // Validate ID and GPA Range
     if (validate_range(id, gpa) != NO_ERROR) {
         printf(M_ERR_STD_RNG);
         return ERR_DB_OP;
     }
 
-    // 🔹 Move to correct position
+    // Move to correct position
     if (lseek(fd, offset, SEEK_SET) < 0) {
         perror("Error seeking in database file");
         return ERR_DB_FILE;
     }
 
-    // 🔹 Read existing student record
+    // Read existing student record
     ssize_t bytes_read = read(fd, &student, STUDENT_RECORD_SIZE);
     if (bytes_read < 0) {
         perror("Error reading database file");
         return ERR_DB_FILE;
     }
 
-    // 🔹 If student already exists, return error
+    // If student already exists, return error
     if (memcmp(&student, &EMPTY_STUDENT_RECORD, STUDENT_RECORD_SIZE) != 0) {
         printf(M_ERR_DB_ADD_DUP, id);
         return ERR_DB_OP;
     }
 
-    // 🔹 Fill new student details
+    // Fill new student details
     student.id = id;
     student.gpa = gpa;
     strncpy(student.fname, fname, sizeof(student.fname) - 1);
     strncpy(student.lname, lname, sizeof(student.lname) - 1);
 
-    // 🔹 Move back before writing
+    // Move back before writing
     if (lseek(fd, offset, SEEK_SET) < 0) {
         perror("Error seeking in database file before writing");
         return ERR_DB_FILE;
     }
 
-    // 🔹 Write student record
+    // Write student record
     ssize_t bytes_written = write(fd, &student, STUDENT_RECORD_SIZE);
     if (bytes_written != STUDENT_RECORD_SIZE) {
         perror("Error writing student record to database");