Certain input files can generate massive amounts of unprintable output data

[mkeilman]

As noticed by @moellep. See the attached file zgoubi_disk_fill.dat.gz which spews gigabytes of garbage (in this case it looks like 4MB of 0s per particle, as revealed in a hex editor). Note that code built from the master branch at sourceforge handles the file properly. The two forks are quite different at this point - perhaps this was already addressed? Anyway here's an issue for it.

[bnash]

When I run this input file with zgoubi built on my mac, for the most recent github version, I get the output:

Title :

1/   16 OPTIONS   /                    /                                    

+ Program received signal SIGSEGV: Segmentation fault - invalid memory reference.

Backtrace for this error:

0 0x127816f3c

1 0x1278162e3

2 0x7fffbea40b39

Segmentation fault: 11