71 lines
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71 lines
3 KiB
Text
From fatcity!root@news.cts.com Fri May 15 08:52:18 1998
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["1426" "Fri" "15" "May" "1998" "06:30:53" "-0800" "Steve Baker" "sbaker@link.com" nil "39" "Re: Endian swapping" "^From:" nil nil "5" nil nil nil nil nil]
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Received: by fatcity.com (10-Feb-1998/v1.0f-b64/bab) via UUCP id 00027B2C; Fri, 15 May 1998 06:30:53 -0800
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Message-ID: <F001.00027B2C.19980515063053@fatcity.com>
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X-Comment: OpenGL Game Developers Mailing List
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X-Sender: Steve Baker <sbaker@link.com>
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Reply-To: OPENGL-GAMEDEV-L@fatcity.com
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Organization: Fat City Network Services, San Diego, California
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From: Steve Baker <sbaker@link.com>
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Sender: root@fatcity.com
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To: Multiple recipients of list OPENGL-GAMEDEV-L <OPENGL-GAMEDEV-L@fatcity.com>
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Subject: Re: Endian swapping
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Date: Fri, 15 May 1998 06:30:53 -0800
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On Fri, 15 May 1998, Sean L. Palmer wrote:
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> I'm trying to make this library as cross-platform as humanly possible with
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> my limited resources, so if anyone has any code to detect whether the target
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> is Big- or Little-endian, please e-mail it my way.
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/*
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Return TRUE if this machine is little endian,
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FALSE otherwise.
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*/
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int is_little_endian ()
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{
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int i = 1 ;
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return *((char *) &i) ;
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}
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...this works because the address of an integer on a little-endian machine is
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the address of the low order byte (whose value is 1) and on a big-endian machine,
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it's the address of the high order byte (whose value is 0).
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Steve Baker (817)619-8776 (Vox/Vox-Mail)
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Raytheon Systems Inc. (817)619-4028 (Fax)
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Work: SBaker@link.com http://www.hti.com
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Home: SJBaker1@airmail.net http://web2.airmail.net/sjbaker1
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--
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Author: Steve Baker
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INET: sbaker@link.com
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Fat City Network Services -- (619) 538-5051 FAX: (619) 538-5051
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San Diego, California -- Public Internet access / Mailing Lists
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