Article View: comp.sys.amiga.tech
Article #8453Re: Return values of System Functions
From: Scott Evernden
Date: Tue, 05 Apr 1988 14:48
Date: Tue, 05 Apr 1988 14:48
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1067 bytes
In article <8804030250.AA23769@cory.Berkeley.EDU> dillon@CORY.BERKELEY.EDU (Matt Dillon) writes: > Since an integer return value is in D0, the callee can treat it >either as a long or short. Thus, even if the entire D0 register is used, >if the actual range of the return value is within the limits of a short, >you can declare the function as returning a short. Except when it returns a USHORT. Some Intuition functions do, or at least I think they do. I used to think all functions returned longs until I got badly burned dealing with this in the recent past. -scott
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arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!bellcore!tness7!petro!swrinde!ut-sally!im4u!husc6!mailrus!ames!oliveb!amiga!cbmvax!ulowell!m2c!applix!scottReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!bellcore!tness7!petro!swrinde!ut-sally!im4u!husc6!mailrus!ames!oliveb!amiga!cbmvax!ulowell!m2c!applix!scott From: scott@applix.UUCP (Scott Evernden) Newsgroups: comp.sys.amiga.tech Subject: Re: Return values of System Functions Message-ID: <687@applix.UUCP> Date: 5 Apr 88 14:48:44 GMT References: <8804030250.AA23769@cory.Berkeley.EDU> Reply-To: scott@applix.UUCP (Scott Evernden) Organization: APPLiX Inc., Westboro MA Lines: 11