Program received signal SIGSEGV, Segmentation fault.
0xb7f2033b in strlen () from /lib/tls/libc.so.6
(gdb) bt
#0 0xb7f2033b in strlen () from /lib/tls/libc.so.6
#1 0x0804fb39 in singleOptionHelp (f=0xb7fd2f60, maxLeftCol=44, opt=Variable
"opt" is not available.) at popthelp.c:110
#2 0x0804fdeb in singleTableHelp (f=0xb7fd2f60, table=0xbffff4b8, left=44)
at popthelp.c:164
#3 0x080502ef in displayArgs (con=0x805caa0,
foo=POPT_CALLBACK_REASON_OPTION, key=0x805b2fc, arg=0x0, data=0x8059c85)
at popthelp.c:56
#4 0x0804ebe5 in poptGetNextOpt (con=0x805caa0) at popt.c:436
#5 0x0804db2a in main (argc=3, argv=0xbffff874) at main.c:367
And the first valgrind warning (jmp depends on uninitialized value):
#0 0x0804fd8d in singleTableHelp (f=0x1ba42f60, table=0x52bfe458, left=44)
at popthelp.c:161
#1 0x080502ef in displayArgs (con=0x1ba54f28,
foo=POPT_CALLBACK_REASON_OPTION, key=0x805b2fc, arg=0x0, data=0x8059c85)
at popthelp.c:56
#2 0x0804ebe5 in poptGetNextOpt (con=0x1ba54f28) at popt.c:436
#3 0x0804db2a in main (argc=3, argv=0x52bfe814) at main.c:367
The argument parsing is pretty hairy, so I'm giving up here.
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