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From: Bonita Montero <Bonita.Montero@gmail.com>
Newsgroups: comp.lang.c
Subject: Re: realloc() - frequency, conditions, or experiences about
 relocation?
Date: Tue, 18 Jun 2024 09:56:07 +0200
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Am 18.06.2024 um 01:39 schrieb Keith Thompson:

> I have a small test program that uses realloc() to expand a 1-byte
> allocated buffer to 2 bytes, then 3, then 4, and so on.  In one
> implementation, in one test run, it reallocates at 25 bytes, and
> then not again until just over 128 kbytes.  Other implementations
> behave differently.

Usually you don't expand a dynamic array byte per byte. Normaly you
expand it like a C++ vector whose capacity doubles with libstdc++
and libc++ (MSVC adds 50% to the capacity before).