The attached file (output of lorder) causes a segmentation fault in
GNU tsort 2.0.
data
: champion:~/dt/textutils-2.0; gdb src/tsort
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(gdb) run ~/data
Starting program: /home/th/dt/textutils-2.0/src/tsort ~/data
/home/th/dt/textutils-2.0/src/tsort: /home/th/data: input contains a loop:
/home/th/dt/textutils-2.0/src/tsort: Cache/libgzcache.a
Program received signal SIGSEGV, Segmentation fault.
0x804903f in detect_loop (k=0x804bbd8) at tsort.c:324
324 k = k->top->suc;
(gdb) bt
#0 0x804903f in detect_loop (k=0x804bbd8) at tsort.c:324
#1 0x804907d in recurse_tree (root=0x804bbd8, action=0x8048fe8 <detect_loop>)
at tsort.c:337
#2 0x804909e in recurse_tree (root=0x804bb30, action=0x8048fe8 <detect_loop>)
at tsort.c:341
#3 0x804909e in recurse_tree (root=0x804bb68, action=0x8048fe8 <detect_loop>)
at tsort.c:341
#4 0x804909e in recurse_tree (root=0x804b690, action=0x8048fe8 <detect_loop>)
at tsort.c:341
#5 0x804909e in recurse_tree (root=0x804b580, action=0x8048fe8 <detect_loop>)
at tsort.c:341
#6 0x804909e in recurse_tree (root=0x804b868, action=0x8048fe8 <detect_loop>)
at tsort.c:341
#7 0x80490f6 in walk_tree (root=0x804b460, action=0x8048fe8 <detect_loop>)
at tsort.c:355
#8 0x804935d in tsort (file=0xbffffb19 "/home/th/data") at tsort.c:447
#9 0x80494ba in main (argc=2, argv=0xbffff9a4) at tsort.c:485
(gdb)
Theo Honohan
44 (0) 1223 478663
