Notes
This function is in beta test. Please help improve it in the issues
here.
$ ./ex3_memory_check rand_char*.txt inc
h3.c:67:35: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/string.h:137:33: note: nonnull attribute specified here
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior h3.c:67:35 in
h3.c:67:59: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:137:33: note: nonnull attribute specified here
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior h3.c:67:59 in
AddressSanitizer:DEADLYSIGNAL
=================================================================
==9409==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x0000004b1fab bp 0x7ffd843618f0 sp 0x7ffd84361060 T0)
==9409==The signal is caused by a READ memory access.
==9409==Hint: address points to the zero page.
#0 0x4b1faa (/out/package/ex3_memory_check+0x4b1faa)
#1 0x7fc11d11f09a (/lib/x86_64-linux-gnu/libc.so.6+0x4209a)
#2 0x7fc11d11f20d (/lib/x86_64-linux-gnu/libc.so.6+0x4
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
Program exit with non zero value 1!
JOJ Answer
Correct!