kc3-lang/gnulib/doc/pastposix-functions/isascii.texi
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Hash : ac1e6fee
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Date : 2025-02-14T18:04:54
isascii: stop using it * doc/pastposix-functions/isascii.texi: There is no isascii module. * m4/mbswidth.m4 (gl_MBSWIDTH): Do not check for isascii, as it no longer seems to be used here. * tests/test-c-ctype.c (test_agree_with_C_locale): Do not assume isascii exists, as POSIX no longer requires it.
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doc/pastposix-functions/isascii.texi
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@node isascii @section @code{isascii} @findex isascii Removed in POSIX.1-2024. POSIX.1-2017 specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/isascii.html} Gnulib module: --- Portability problems not fixed by Gnulib: @itemize @item This function cannot be called from plain inline or extern inline functions on some platforms: macOS 10.8. @item This function is removed in POSIX.1-2024. @end itemize Note: This function's behaviour depends on the locale, but requires special handling for the multibyte characters that occur in strings in locales with @code{MB_CUR_MAX > 1} (this includes all the common UTF-8 locales). There are two alternative APIs: @table @code @item c_isascii @mindex c-ctype This function operates in a locale independent way and returns true only for ASCII characters. It is provided by the Gnulib module @samp{c-ctype}. @item mb_isascii @mindex mbchar This function operates in a locale dependent way, on multibyte characters. It is provided by the Gnulib module @samp{mbchar}. @end table