Code reviewMediumcr-g590

Subject Socket short writeLevel Mid–Senior~18 minCommon in Networking & APIs interviewsIndustries Software development, Telecom

Question

Review this C function that sends a buffer over a connected socket.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix — specific and kind.

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Code to reviewc

1int send_all(int fd, const char *buf, size_t len) {2    ssize_t n = send(fd, buf, len, 0);3    if (n < 0) {4        perror("send");5        return -1;6    }7    return 0;8}

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