Regression from [0] this was meant to be `EXR_TOT_MAXNAME - 2`,
but wasn't updated when `EXR_TOT_MAXNAME` changed.
Also use UTF8 string copying since it's expected to be UTF8.
[0]: 2c8db87897
Regression from [0] this was meant to be `EXR_TOT_MAXNAME - 2`,
but wasn't updated when `EXR_TOT_MAXNAME` changed.
Also use UTF8 string copying since it's expected to be UTF8.
[0]: 2c8db87897