diff options
Diffstat (limited to 'gnulib/doc/posix-functions/isblank.texi')
| m--------- | gnulib | 0 | ||||
| -rw-r--r-- | gnulib/doc/posix-functions/isblank.texi | 43 |
2 files changed, 43 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/doc/posix-functions/isblank.texi b/gnulib/doc/posix-functions/isblank.texi new file mode 100644 index 0000000..7323400 --- /dev/null +++ b/gnulib/doc/posix-functions/isblank.texi @@ -0,0 +1,43 @@ +@node isblank +@section @code{isblank} +@findex isblank + +POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/isblank.html} + +Gnulib module: isblank + +Portability problems fixed by Gnulib: +@itemize +@item +This function is missing on some platforms: +AIX 4.3.2, IRIX 6.5, OSF/1 5.1, Solaris 9, mingw, MSVC 9. +@end itemize + +Portability problems not fixed by Gnulib: +@itemize +@end itemize + +Note: This function's behaviour depends on the locale, but does not support +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 four alternative APIs: + +@table @code +@item c_isblank +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 iswblank +This function operates in a locale dependent way, on wide characters. In +order to use it, you first have to convert from multibyte to wide characters, +using the @code{mbrtowc} function. It is provided by the Gnulib module +@samp{wctype}. + +@item mb_isblank +This function operates in a locale dependent way, on multibyte characters. +It is provided by the Gnulib module @samp{mbchar}. + +@item uc_is_blank +This function operates in a locale independent way, on Unicode characters. +It is provided by the Gnulib module @samp{unictype/ctype-blank}. +@end table |