From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jesse Ruffin <joruffin@gmail.com>
Subject: Re: String comparison for fixed strings
Date: Wed, 15 Aug 2007 14:51:21 -0400
Message-ID: <200708151451.48929.joruffin@gmail.com>
References: <9870a8150708150406x6297b877u473bfbbc62949f10@mail.gmail.com>
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If you are only checking for exact equality of a buffer against a string, t=
he memcmp() function may be slightly faster.

if ( memcmp( (const void*) s, (const void*) "ABC", 3 ) =3D=3D 0 ) {
	// equal
} else {
	// not equal
}

Jesse Ruffin

On Wednesday 15 August 2007 07:06, KhaOsh wrote:
> Hello everyone,
>=20
> In terms of speed what the fastest way of doing a strings comparison
> on fixed strings? Using one of those strcmp() functions or doing the
> following:
>=20
> (Pseudo code)
> "if (s[0] =3D=3D 0xa && s[1] =3D=3D 0xb && s[2] =3D=3D 0xc)" (etc)
> or
> "if (s[0] =3D=3D 'A' && s[1] =3D=3D 'B' && s[2[ =3D=3D 'C')" (etc)
>=20
> Thanks for your help.
> -
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