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annotate doc/functions/sprintf.texi @ 9147:d5c437e55b50

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* MODULES.html.sh: Add diffseq. * modules/diffseq: New file. * lib/diffseq.h: New file, from GNU gettext with a few minor changes, extracted from GNU gettext's fstrcmp.c and GNU diff's analyze.c.
author Paul Eggert <eggert@cs.ucla.edu>
date Fri, 17 Aug 2007 23:29:23 +0000
parents 771a56a41b5b
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1 @node sprintf
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2 @section @code{sprintf}
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3 @findex sprintf
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4
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5 POSIX specification: @url{http://www.opengroup.org/susv3xsh/sprintf.html}
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6
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7 Gnulib module: sprintf-posix
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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 does not support size specifiers as in C99 (@code{hh}, @code{ll},
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13 @code{j}, @code{t}, @code{z}) on some platforms:
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14 AIX 5.1, HP-UX 11.23, IRIX 6.5, OSF/1 5.1, Solaris 9, Cygwin 2006, mingw, BeOS.
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15 @item
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16 printf of @samp{long double} numbers is unsupported on some platforms:
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17 mingw, BeOS.
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18 @item
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19 printf @code{"%f"}, @code{"%e"}, @code{"%g"} of Infinity and NaN yields an
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20 incorrect result on some platforms:
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21 AIX 5.2, OSF/1 5.1, Solaris 10, mingw.
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22 @item
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23 This function does not support the @samp{a} and @samp{A} directives on some
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24 platforms:
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25 glibc-2.3.6, MacOS X 10.3, NetBSD 3.0, OpenBSD 4.0, AIX 5.2, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin, mingw, BeOS.
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26 @item
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27 This function does not support the @samp{F} directive on some platforms:
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28 NetBSD 3.0, AIX 5.1, HP-UX 11.23, IRIX 6.5, OSF/1 5.1, Solaris 9, Cygwin, mingw, BeOS.
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29 @item
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30 This function does not support format directives that access arguments in an
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31 arbitrary order, such as @code{"%2$s"}, on some platforms:
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32 NetBSD 3.0, mingw, BeOS.
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33 @item
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34 This function doesn't support the @code{'} flag on some platforms:
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35 NetBSD 3.0, Cygwin 2006, mingw.
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36 @item
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37 printf @code{"%010f"} of NaN and Infinity yields an incorrect result (padded
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38 with zeroes) on some platforms:
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39 MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0, AIX 5.2, IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 2007, mingw.
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40 @end itemize
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41
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42 Portability problems not fixed by Gnulib:
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43 @itemize
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44 @end itemize