X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=doc%2Fposix-functions%2Fmbsrtowcs.texi;h=bc4e91475da373aade6eb2889bb82d89f660f0f9;hb=aeb7f8cd9ad896eead3d3d7226d3df700dbf244f;hp=97af4a7daac6073ad38c62dacd439133aeaebe88;hpb=09ef7461110822a3970aa8eebcfaa740996a82f2;p=gnulib.git

diff --git a/doc/posix-functions/mbsrtowcs.texi b/doc/posix-functions/mbsrtowcs.texi
index 97af4a7da..bc4e91475 100644
--- a/doc/posix-functions/mbsrtowcs.texi
+++ b/doc/posix-functions/mbsrtowcs.texi
@@ -4,18 +4,28 @@
 
 POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/mbsrtowcs.html}
 
-Gnulib module: ---
+Gnulib module: mbsrtowcs
 
 Portability problems fixed by Gnulib:
 @itemize
+@item
+This function is missing on some platforms:
+HP-UX 11.00, IRIX 6.5, Solaris 2.6, mingw, Interix 3.5.
+@item
+This function does not work on some platforms:
+HP-UX 11, Solaris 10.
 @end itemize
 
 Portability problems not fixed by Gnulib:
 @itemize
 @item
-This function is missing on some platforms:
-HP-UX 11, IRIX 6.5, Solaris 2.6, mingw, Interix 3.5.
-@item
-On Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
+On AIX and Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
 accommodate all Unicode characters.
+@item
+The specification is not clear about whether this function should update the
+conversion state when the first argument (the destination pointer) is NULL.
+The glibc implementation does not update the state in this case; the MacOS X
+and FreeBSD implementations do.
+For portability, when passing a NULL destination argument, it is best to pass
+a pointer to a temporary copy of the conversion state.
 @end itemize