==21272== Memcheck, a memory error detector
==21272== Copyright (C) 2002-2012, and GNU GPL'd, by Julian Seward et al.
==21272== Using Valgrind-3.8.1 and LibVEX; rerun with -h for copyright info
==21272== Command: ./oblig2 p pac.txt
==21272==
==21272== Syscall param open(filename) points to unaddressable byte(s)
==21272==    at 0x3DCE2DB240: __open_nocancel (in /lib64/libc-2.12.so)
==21272==    by 0x3DCE272AFE: _IO_file_fopen@@GLIBC_2.2.5 (in /lib64/libc-2.12.so)
==21272==    by 0x3DCE266F35: __fopen_internal (in /lib64/libc-2.12.so)
==21272==    by 0x40074D: main (oblig2.c:12)
==21272==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
==21272==
==21272==
==21272== HEAP SUMMARY:
==21272==     in use at exit: 0 bytes in 0 blocks
==21272==   total heap usage: 2 allocs, 2 frees, 1,136 bytes allocated
==21272==
==21272== All heap blocks were freed -- no leaks are possible
==21272==
==21272== For counts of detected and suppressed errors, rerun with: -v
==21272== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 6 from 6)