Program received signal SIGSEGV, Segmentation fault.
0x00002ab017d83590 in strlen () from /lib/libc.so.6
(gdb) bt
#0 0x00002ab017d83590 in strlen () from /lib/libc.so.6
#1 0x00002ab017d5547c in vfprintf () from /lib/libc.so.6
#2 0x00002ab017d5b228 in fprintf () from /lib/libc.so.6
#3 0x0000000000403654 in gen_h_header (pf=0x506250, path=0x505400 "rockbox_default.h")
at convbdf.c:1019
#4 0x0000000000400f9e in convbdf (path=0x7fff92eafb1f "../../fonts/rockbox_default.bdf")
at convbdf.c:229
#5 0x00000000004010f3 in main (ac=1, av=0x7fff92eae7d8) at convbdf.c:263