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annotate doc/posix-functions/mkstemp.texi @ 14624:e00c934ee25d

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mkstemp: mention clean-temp module * lib/mkstemp.c: Add comment. * doc/posix-functions/mkstemp.texi (mkstemp): Likewise. Signed-off-by: Eric Blake <eblake@redhat.com>
author Reuben Thomas <rrt@sc3d.org>
date Wed, 27 Apr 2011 14:30:31 +0100
parents bb0ceefd22dc
children 780006cfcb42
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 @node mkstemp
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2 @section @code{mkstemp}
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3 @findex mkstemp
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4
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5 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/mkstemp.html}
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6
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7 Gnulib module: mkstemp
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8
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9 Portability problems fixed by Gnulib:
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10 @itemize
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11 @item
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12 This function is missing on some platforms:
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13 mingw.
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14 @item
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15 On some platforms (HP-UX 10.20, SunOS 4.1.4, Solaris 2.5.1), mkstemp has a silly
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16 limit that it can create no more than 26 files from a given template. On
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17 OSF/1 4.0f, it can create only 32 files per process.
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18 @end itemize
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19
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20 Portability problems not fixed by Gnulib:
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21 @itemize
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22 @item
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23 On platforms other than glibc 2.0.7 or newer, @code{mkstemp} can create a
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24 world or group writable or readable file, if you haven't set the process
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25 umask to 077. This is a security risk.
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26 @end itemize
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28 The gnulib module clean-temp can create temporary files that are less
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29 likely to be left behind on signals such as SIGINT.