Faster approach to checking for an all-zero buffer in C?

Anxious Angelfish answered on August 11, 2022 Popularity 1/10 Helpfulness 1/10

Comment

int is_empty(char *buf, size_t size)
{
    return buf[0] == 0 && !memcmp(buf, buf + 1, size - 1);
}

Popularity 1/10 Helpfulness 1/10 Language c

Tags: buffer c

Link to this answer
Share Copy Link

Contributed on Aug 11 2022

Anxious Angelfish

0 Answers Avg Quality 2/10

Continue with Google

By continuing, I agree that I have read and agree to Greppers's Terms of Service and Privacy Policy.

Oops, You will need to install Grepper and log-in to perform this action.