Mercurial > gnulib
changeset 17659:3e1daa05022b
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
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Thu, 15 May 2014 18:30:04 -0700 |
| parents | c8e1e9450f92 |
| children | ea9dc06bfca8 |
| files | ChangeLog doc/posix-functions/mbrlen.texi doc/posix-functions/mbrtowc.texi |
| diffstat | 3 files changed, 22 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog Thu May 15 13:07:50 2014 -0700 +++ b/ChangeLog Thu May 15 18:30:04 2014 -0700 @@ -1,5 +1,11 @@ 2014-05-15 Paul Eggert <eggert@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
--- a/doc/posix-functions/mbrlen.texi Thu May 15 13:07:50 2014 -0700 +++ b/doc/posix-functions/mbrlen.texi Thu May 15 18:30:04 2014 -0700 @@ -12,6 +12,14 @@ 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.
--- a/doc/posix-functions/mbrtowc.texi Thu May 15 13:07:50 2014 -0700 +++ b/doc/posix-functions/mbrtowc.texi Thu May 15 18:30:04 2014 -0700 @@ -12,6 +12,14 @@ 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.