Re: [MLUG] temp file naming conventions

[John Engelbrecht <EMAIL:PROTECTED>]

NAME
       tmpfile - create a temporary file

SYNOPSIS
       #include <stdio.h>

       FILE *tmpfile (void);

DESCRIPTION
       The  tmpfile() function generates a unique temporary file-
       name using the path prefix P_tmpdir defined in  <stdio.h>.
       The  temporary  file  is  then opened in binary read/write
       (w+b) mode.  The file will be automatically  deleted  when
       it is closed or the program terminates.

RETURN VALUE
       The  tmpfile()  function  returns  a stream descriptor, or
       NULL if a unique  filename  cannot  be  generated  or  the
       unique file cannot be opened.

SEE ALSO
       mktemp(3), mkstemp(3), tmpnam(3), tempnam(3)


On Tue, 11 Jun 2002, Mark Haidekker wrote:

> On Tuesday 11 June 2002 01:16 pm, you wrote:
> > What do people do in C programming (for example) in writing temp files to
> > avoid conflicts when multiple instances of the program run simultaneously?
> > Do you make up some random string, or use the system clock to get a
> > string?  What's a conventional approach to this?
> >
> > Mike
>
> If I remember correctly, C has a special function to generate a random file
> name.  I ran across this function recently when dealing with fifos, but can't
> remember the name.
>
> Mark
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