Backup, failure reporting for fopen
Backup, failure reporting for fopen

An error message is nicer than a segfault

briadam/queso,briadam/queso,roystgnr/queso,roystgnr/queso,roystgnr/queso,briadam/queso,briadam/queso,roystgnr/queso,roystgnr/queso,briadam/queso,roystgnr/queso