Update student grade management system with security improvements and bug fixes

2025-09-12 23:02:10 +08:00
parent 28db1b4a01
commit f208059b70
16 changed files with 1052 additions and 594 deletions
@@ -61,7 +61,8 @@ void displayCourseStatistics()
            }
            if (!exists)
            {
-                strcpy(courses[courseCount], students[i].courses[j]);
+                strncpy(courses[courseCount], students[i].courses[j], MAX_COURSE_NAME_LENGTH - 1);
+                courses[courseCount][MAX_COURSE_NAME_LENGTH - 1] = '\0';
                courseCount++;
            }
        }
@@ -410,7 +411,8 @@ OverallStats calculateOverallStats()
            }
            if (!exists)
            {
-                strcpy(courses[uniqueCourseCount], students[i].courses[j]);
+                strncpy(courses[uniqueCourseCount], students[i].courses[j], MAX_COURSE_NAME_LENGTH - 1);
+                courses[uniqueCourseCount][MAX_COURSE_NAME_LENGTH - 1] = '\0';
                uniqueCourseCount++;
            }
        }