Does this code have defined behaviour?
char *str = NULL;
printf("%s\n",str);
In context of C++ (98/03 and 11) and C (99) standards.
Does this code have defined behaviour? char *str = NULL; printf(%s\n,str); In context of
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
Does this code have defined behaviour?
char *str = NULL;
printf("%s\n",str);
In context of C++ (98/03 and 11) and C (99) standards.
undefined behavior in C
with some compilers / libc it prints
(null)and with some other it segfaults.(Note: in C violation of a
shallthat is not a constraint is undefined behavior, see 4.p2 “Conformance” in Standard C)