https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91397
--- Comment #6 from Steinar H. Gunderson <steinar+gcc at gunderson dot no> --- So basically GCC is worried that I might be calling allocate() with -1 bytes, and gives a warning? last_slash presumably has to be >= path, given that it comes out of strrchr(). But maybe GCC won't know that.
