2 views
24 Jan 2026
Maintain a global error log. Log each error to a file with a timestamp. Combine printf(sderror) and file writing....
2 views
24 Jan 2026
Create a program that loads data using the primary method. If it fails, create a fallback method. Multiple levels of error handling....
2 views
24 Jan 2026
Make system calls (write file operations) fail deliberately. Print the value of errno and the message from strerror() on each failure. Understand the pattern....
2 views
24 Jan 2026
Create a function that can return different error types: success=0, null_pointer=-1, out_of_bounds=-2, invalid_input=-3. Use enums for readability....
3 views
24 Jan 2026
Verify assemblies in critical functions using assert(). Example: pointer must not be null. Enabled in debug builds, disabled in release builds....
3 views
24 Jan 2026
Create a function that accesses the array. Validate the index parameter - if out of bounds return error, allow valid access....
3 views
24 Jan 2026
Takes positive integer input from the user. If negative or zero is entered, return an error message and retry. Check the return value for invalid input....
3 views
24 Jan 2026
Allocate memory with malloc(). If NULL is returned (allocation failed) to handle the error, clean the memory that has already been allocated. Resource cleanup....
2 views
24 Jan 2026
Open the file. If null is returned, check errno and print the specific error message (file not found, permission denied, etc.). perror() does that....
3 views
24 Jan 2026
Create a function that performs division but first checks for zero. If the denominator is zero, return an error code and do not write a value to the result pointer....