* doc/posix-functions/mbrlen.texi (mbrlen): * doc/posix-functions/mbrtowc.texi (mbrtowc): Document portability problem when the input string is empty. See: https://sourceware.org/bugzilla/show_bug.cgi?id=16950 --- ChangeLog | 6 ++++++ doc/posix-functions/mbrlen.texi | 8 ++++++++ doc/posix-functions/mbrtowc.texi | 8 ++++++++ 3 files changed, 22 insertions(+)
diff --git a/ChangeLog b/ChangeLog index 00126d5..2e59362 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,11 @@ 2014-05-15 Paul Eggert <egg...@cs.ucla.edu> + doc: document mbrtowc and mbrlen problem with empty input + * doc/posix-functions/mbrlen.texi (mbrlen): + * doc/posix-functions/mbrtowc.texi (mbrtowc): + Document portability problem when the input string is empty. See: + https://sourceware.org/bugzilla/show_bug.cgi?id=16950 + doc: document exec* = spawn+exit bug with non-Cygwin Windows platforms Problem reported by Eli Zaretskii in: http://lists.gnu.org/archive/html/bug-grep/2014-05/msg00118.html diff --git a/doc/posix-functions/mbrlen.texi b/doc/posix-functions/mbrlen.texi index b2c9429..7db550e 100644 --- a/doc/posix-functions/mbrlen.texi +++ b/doc/posix-functions/mbrlen.texi @@ -12,6 +12,14 @@ Portability problems fixed by Gnulib: This function is missing on some platforms: Minix 3.1.8, HP-UX 11.00, IRIX 6.5, Solaris 2.6, mingw, Interix 3.5. @item +This function returns 0 instead of @code{(size_t) -2} when the input +is empty: +glibc 2.19. +@item +This function returns @code{(size_t) -1} instead of @code{(size_t) -2} +when the input is empty: +AIX 5.1. +@item This function does not put the state into non-initial state when parsing an incomplete multibyte character on some platforms: AIX 5.1, OSF/1 5.1. diff --git a/doc/posix-functions/mbrtowc.texi b/doc/posix-functions/mbrtowc.texi index 19b91f0..7c7f5fd 100644 --- a/doc/posix-functions/mbrtowc.texi +++ b/doc/posix-functions/mbrtowc.texi @@ -12,6 +12,14 @@ Portability problems fixed by Gnulib: This function is missing on some platforms: Minix 3.1.8, HP-UX 11.00, IRIX 6.5, Solaris 2.6, mingw, Interix 3.5. @item +This function returns 0 instead of @code{(size_t) -2} when the input +is empty: +glibc 2.19. +@item +This function returns @code{(size_t) -1} instead of @code{(size_t) -2} +when the input is empty: +AIX 5.1. +@item This function does not put the state into non-initial state when parsing an incomplete multibyte character on some platforms: AIX 5.1, OSF/1 5.1. -- 1.9.0
