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[Octave-bug-tracker] [bug #57879] strncmp(str_a, str_b, N) gives an erro

From: Nicholas Jankowski
Subject: [Octave-bug-tracker] [bug #57879] strncmp(str_a, str_b, N) gives an error for N=0
Date: Fri, 21 Feb 2020 20:37:07 -0500 (EST)
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36

Follow-up Comment #2, bug #57879 (project octave):

and that is spelled out in the matlab help, so this is a documented
compatibility bug

If n is 0, then strncmp always returns 1. By convention, the zeroth character
of a character vector or a string scalar is always '', a 0-by-0 character

If n is less than 0, then strncmp treats it as 0.


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