Is free(NULL) OK?

[Hal Murray]

The Linux man page says 
       If ptr is NULL, no operation is performed.

I'd expect a wrapper if there really was a problem.

This code is in ntpd/ntp_config.c
        if (NULL == s) {                        /* free() hates NULL */
                s = estrdup("");
        }

Any reason not to nuke that chunk of code?


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