Notes
This function is in beta test. Please help improve it in the issues
here.
Hints
Your answer may be identical to the JOJ answer in the first several lines.
However, the main problem you meet now is Runtime Error. And the exit code of your program is 1, which should be 0.
Please double check your code to solve this problem and try again.
Your Answer
mumsh $ mumsh $ main.c:261:29: runtime error: index -2 out of bounds for type 'char [1024]' SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior main.c:261:29 in ================================================================= ==4418==ERROR: AddressSanitizer: stack-buffer-underflow on address 0x7ffe43a8963e at pc 0x00000051e08c bp 0x7ffe43a89610 sp 0x7ffe43a89608 READ of size 1 at 0x7ffe43a8963e thread T0 #0 0x51e08b (/out/package/mumsh_memory_check+0x51e08b) #1 0x7feca7bc2b96 (/lib/x86_64-linux-gnu/libc.so.6+0x21b96) #2 0x41ccf9 (/out/package/mumsh_memory_check+0x41ccf9) Address 0x7ffe43a8963e is located in stack of thread T0 at offset 30 in frame #0 0x515d6f (/out/package/mumsh_memory_check+0x515d6f) This frame has 10 object(s): [32, 1056) 'line' <== Memory access at offset 30 underflows this variable [1184, 1192) 'fd_pipe' [1216, 1224) 'fd_pwd' [1248, 2272) 'pre_dir' [2400, 3424) 'remain' [3552, 4576) 'temp' [4704, 5728) 'buf' [5856, 5860) 'wstat
JOJ Answer
mumsh $ mumsh $ > 321 mumsh $ 1.txt driver mumsh mumsh_memory_check mumsh $ exit