Mercurial > gnulib
view doc/functions/vsnprintf.texi @ 29137:320882b45535
Fix *printf behaviour for large precisions on mingw and BeOS.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 04 Nov 2007 17:19:42 +0100 |
parents | 18ce91096f78 |
children | 7bbddc0fae4a |
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@node vsnprintf @section @code{vsnprintf} @findex vsnprintf POSIX specification: @url{http://www.opengroup.org/susv3xsh/vsnprintf.html} Gnulib module: vsnprintf or vsnprintf-posix Portability problems fixed by either Gnulib module @code{vsnprintf} or @code{vsnprintf-posix}: @itemize @item This function is missing on some platforms: OSF/1 4.0, Solaris 2.5.1. @end itemize Portability problems fixed by Gnulib module @code{vsnprintf-posix}: @itemize @item This function does not support size specifiers as in C99 (@code{hh}, @code{ll}, @code{j}, @code{t}, @code{z}) on some platforms: AIX 5.1, HP-UX 11.23, IRIX 6.5, OSF/1 5.1, Solaris 9, Cygwin 2006, mingw, BeOS. @item printf of @samp{long double} numbers is unsupported on some platforms: mingw, BeOS. @item printf @code{"%f"}, @code{"%e"}, @code{"%g"} of Infinity and NaN yields an incorrect result on some platforms: AIX 5.2, OSF/1 5.1, Solaris 10, mingw. @item This function does not support the @samp{a} and @samp{A} directives on some platforms: 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. @item This function does not support the @samp{F} directive on some platforms: NetBSD 3.0, AIX 5.1, HP-UX 11.23, IRIX 6.5, OSF/1 5.1, Solaris 9, Cygwin, mingw, BeOS. @item This function does not support format directives that access arguments in an arbitrary order, such as @code{"%2$s"}, on some platforms: NetBSD 3.0, mingw, BeOS. @item This function doesn't support the @code{'} flag on some platforms: NetBSD 3.0, Cygwin 2006, mingw. @item printf @code{"%010f"} of NaN and Infinity yields an incorrect result (padded with zeroes) on some platforms: 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. @item This function does not support precisions larger than 512 or 1024 in integer, floating-point and pointer output on some platforms: mingw, BeOS. @item This function can crash in out-of-memory conditions on some platforms: MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0. @item This function does not truncate the result as specified in C99 on some platforms: mingw. @item This function does not return a byte count as specified in C99 on some platforms: HP-UX 11, IRIX 6.5, OSF/1 5.1, mingw. @item This function does not fully support the @samp{n} directive on some platforms: HP-UX 11, mingw. @item This function overwrites memory even when a zero size argument is passed on some platforms: HP-UX 11, OSF/1 5.1. @end itemize Portability problems not fixed by Gnulib: @itemize @end itemize