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annotate doc/posix-functions/strstr.texi @ 13776:2285cf35fa15

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docs: update cygwin progress * doc/glibc-functions/mkostemp.texi (mkostemp): Added in cygwin 1.7.6. * doc/glibc-functions/mkostemps.texi (mkostemps): Likewise. * doc/posix-headers/fenv.texi (fenv.h): Added after cygwin 1.7.7. * doc/posix-functions/feclearexcept.texi (feclearexcept): Likewise. * doc/posix-functions/fegetenv.texi (fegetenv): Likewise. * doc/posix-functions/fegetexceptflag.texi (fegetexceptflag): Likewise. * doc/posix-functions/fegetround.texi (fegetround): Likewise. * doc/posix-functions/feholdexcept.texi (feholdexcept): Likewise. * doc/posix-functions/feraiseexcept.texi (feraiseexcept): Likewise. * doc/posix-functions/fesetenv.texi (fesetenv): Likewise. * doc/posix-functions/fesetexceptflag.texi (fesetexceptflag): Likewise. * doc/posix-functions/fesetround.texi (fesetround): Likewise. * doc/posix-functions/fetestexcept.texi (fetestexcept): Likewise. * doc/posix-functions/feupdateenv.texi (feupdateenv): Likewise. * doc/glibc-functions/feenableexcept.texi (feenableexcept): Likewise. * doc/glibc-functions/fedisableexcept.texi (fedisableexcept): Likewise. * doc/glibc-functions/fegetexcept.texi (fegetexcept): Likewise. Signed-off-by: Eric Blake <eblake@redhat.com>
author Eric Blake <eblake@redhat.com>
date Thu, 07 Oct 2010 08:42:24 -0600
parents 1d8a613275c6
children c65fd41437cf
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1 @node strstr
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2 @section @code{strstr}
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3 @findex strstr
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4
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5 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/strstr.html}
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6
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7 Gnulib module: strstr or strstr-simple
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8
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9 Portability problems fixed by either Gnulib module @code{strstr-simple}
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10 or @code{strstr}:
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11 @itemize
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12 @item
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13 This function can trigger memchr bugs on some platforms:
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14 glibc 2.10.
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15 @item
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16 This function can trigger false positives for long periodic needles on
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17 some platforms:
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18 glibc 2.12, Cygwin 1.7.7.
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19 @end itemize
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20
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21 Portability problems fixed by Gnulib @code{strstr}:
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22 @itemize
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23 @item
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24 This function has quadratic instead of linear worst-case complexity on some
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25 platforms:
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26 glibc 2.8, MacOS X 10.3, FreeBSD 6.2, NetBSD 3.0, OpenBSD 4.0, AIX
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27 5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 1.5.x, mingw.
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28 @end itemize
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29
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30 Portability problems not fixed by Gnulib:
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31 @itemize
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32 @item
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33 This function cannot work correctly on character strings in most multibyte
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34 locales. Gnulib provides an alternative function @code{mbsstr} that works
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35 on character strings in all locales.
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36 @end itemize