Record Case Detail

This function is in beta test. Please help improve it in the issues here.

/in/lab5.c:149:30: runtime error: index -1 out of bounds for type 'char [2048]'
=================================================================
==710==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffd48f97a3f at pc 0x55dc3f351176 bp 0x7ffd48f8c570 sp 0x7ffd48f8c560
READ of size 1 at 0x7ffd48f97a3f thread T0
    #0 0x55dc3f351175 in main (/out/package/lab5+0xf175)
    #1 0x7f91e473fc86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)
    #2 0x55dc3f354929 in _start (/out/package/lab5+0x12929)

Address 0x7ffd48f97a3f is located in stack of thread T0 at offset 45951 in frame
    #0 0x55dc3f34d51f in main (/out/package/lab5+0xb51f)

  This frame has 9 object(s):
    [32, 512) 'helper'
    [544, 1504) 'd_RPEstack'
    [1536, 2816) 'lins'
    [2848, 19232) 'load'
    [19264, 43840) 'data'
    [43872, 45920) 'line'
    [45952, 48000) 'signstack' <== Memory access at offset 45951 underflows this variable
    [48032, 50080) 'RPEstack'
    [50112, 52160) 'left'
HINT: this may be a false p

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.

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