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Newsgroups: comp.unix.bsd Path: sserve!manuel.anu.edu.au!munnari.oz.au!sgiblab!zaphod.mps.ohio-state.edu!caen!hellgate.utah.edu!fcom.cc.utah.edu!cs.weber.edu!terry From: terry@cs.weber.edu (A Wizard of Earth C) Subject: Re: mktemp - Bus Error. Message-ID: <1992Nov3.031257.11305@fcom.cc.utah.edu> Sender: news@fcom.cc.utah.edu Organization: University of Utah Computer Center References: <6607@otc.otca.oz> <1992Nov2.210351.12723@ee.ryerson.ca> Date: Tue, 3 Nov 92 03:12:57 GMT Lines: 44 In article <1992Nov2.210351.12723@ee.ryerson.ca>, elf@ee.ryerson.ca (luis fernandes) writes: |> In article <6607@otc.otca.oz> alexk@otc.otca.oz.au (Alex Kowalenko) writes: |> >I'm having problems with mktemp failing due to a Bus Error. Even a simple program like the |> >following will fail: |> > |> >#include<stdio.h> |> > |> >main() |> >{ |> > printf("%s\n",mktemp("XXXX")); |> >} |> > |> > |> >Anyone else noticed this yet? Any fixes in mktemp? |> > |> According to the man: |> |> mktemp() creates a unique file name, typically in a tem- |> porary filesystem, by replacing template with a unique file |> name, and returns the address of template. The string in |> template should contain a file name with six trailing Xs; |> mktemp() replaces the Xs with a letter and the current pro- |> cess ID. The letter will be chosen so that the resulting |> name does not duplicate an existing file. The problem is that the compiler saves off "XXXX" in a non-modifiable area; one would think that the prototype would would ensure that this couldn't happen -- one of the supposed "benefits" of ANSI-C. Once this is resolved, you'd probably want to change it to "XXXXXX" so it will actually work, since it's supposed to be six X's. Terry Lambert terry@icarus.weber.edu terry_lambert@novell.com --- Any opinions in this posting are my own and not those of my present or previous employers. -- ------------------------------------------------------------------------------- "I have an 8 user poetic license" - me Get the 386bsd FAQ from agate.berkeley.edu:/pub/386BSD/386bsd-0.1/unofficial -------------------------------------------------------------------------------