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annotate doc/posix-functions/vfprintf.texi @ 14005:f585ecc144aa

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*printf: Detect large precisions bug on Solaris 10/SPARC. * m4/printf.m4 (gl_PRINTF_PRECISION): Add one more test code, provided by Paul Eggert. * tests/test-snprintf-posix.h (test_function): Add this test code here too. * tests/test-sprintf-posix.h (test_function): Likewise. * tests/test-vasnprintf-posix.c (test_function): Likewise. * tests/test-vasprintf-posix.c (test_function): Likewise. * doc/posix-functions/fprintf.texi: Mention Solaris 10 bug as worked around by gnulib. * doc/posix-functions/printf.texi: Likewise. * doc/posix-functions/snprintf.texi: Likewise. * doc/posix-functions/sprintf.texi: Likewise. * doc/posix-functions/vfprintf.texi: Likewise. * doc/posix-functions/vprintf.texi: Likewise. * doc/posix-functions/vsnprintf.texi: Likewise. * doc/posix-functions/vsprintf.texi: Likewise. * doc/posix-functions/dprintf.texi: Undo last commit. * doc/posix-functions/vdprintf.texi: Likewise.
author Bruno Haible <bruno@clisp.org>
date Fri, 24 Dec 2010 10:13:43 +0100
parents f95b28aac525
children 4e83bc0de9e4
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1 @node vfprintf
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2 @section @code{vfprintf}
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3 @findex vfprintf
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4
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5 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/vfprintf.html}
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6
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7 Gnulib module: vfprintf-posix or stdio, sigpipe
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8
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9 Portability problems fixed by Gnulib module @code{vfprintf-posix}:
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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 1.5.24, 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 11 2010-11, 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 10.5, NetBSD 5.0, OpenBSD 4.0, AIX 5.2, HP-UX 11,
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27 @item
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28 This function does not support the @samp{F} directive on some platforms:
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29 NetBSD 3.0, AIX 5.1, HP-UX 11.23, IRIX 6.5, OSF/1 5.1, Solaris 9,
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30 Cygwin 1.5.x, mingw, BeOS.
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31 @item
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32 This function does not support the @samp{ls} directive on some platforms:
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33 OpenBSD 4.0, IRIX 6.5, Solaris 2.6, Cygwin 1.5.x, Haiku.
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34 @item
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35 This function does not support precisions in the @samp{ls} directive correctly
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36 on some platforms:
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37 Solaris 11 2010-11.
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38 @item
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39 This function does not support format directives that access arguments in an
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40 arbitrary order, such as @code{"%2$s"}, on some platforms:
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41 NetBSD 3.0, mingw, BeOS.
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42 @item
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43 This function doesn't support the @code{'} flag on some platforms:
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44 NetBSD 3.0, Cygwin 1.5.24, mingw.
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45 @item
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46 This function behaves incorrectly when a @samp{-} flag and a negative width
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47 are specified together, on some platforms:
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48 HP-UX 10.20.
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49 @item
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50 printf @code{"%010f"} of NaN and Infinity yields an incorrect result (padded
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51 with zeroes) on some platforms:
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53 @item
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54 This function does not support precisions larger than 512 or 1024 in integer,
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55 floating-point and pointer output on some platforms:
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56 Solaris 10/x86, mingw, BeOS.
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57 @item
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58 This function mishandles large floating point precisions
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59 (for example, formatting 1.0 with @samp{"%.511f"})
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60 on some platforms:
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61 Solaris 10.
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62 @item
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63 This function can crash in out-of-memory conditions on some platforms:
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64 MacOS X 10.3, FreeBSD 6.0, NetBSD 5.0.
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65 @end itemize
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66
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67 Portability problems fixed by Gnulib module @code{stdio} or @code{vfprintf-posix}, together with module @code{sigpipe}:
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68 @itemize
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69 @item
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70 When writing to a pipe with no readers, this function fails, instead of
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71 obeying the current @code{SIGPIPE} handler, on some platforms:
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72 mingw.
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73 @end itemize
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74
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75 Portability problems not fixed by Gnulib:
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76 @itemize
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77 @end itemize