X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=doc%2Fposix-functions%2Fstrerror_r.texi;h=658e0811e5ce0091db0476e57a5e7718968639c7;hb=58d8afd0545d6321272bb7fb243db3295c5fdeec;hp=1bcde1a74dea50b1d5c7268558130606959257e9;hpb=1838494765155d7c9ac63832182cd4ef9f368bf5;p=gnulib.git

diff --git a/doc/posix-functions/strerror_r.texi b/doc/posix-functions/strerror_r.texi
index 1bcde1a74..658e0811e 100644
--- a/doc/posix-functions/strerror_r.texi
+++ b/doc/posix-functions/strerror_r.texi
@@ -10,9 +10,10 @@ Portability problems fixed by Gnulib:
 @itemize
 @item
 This function is missing on some platforms:
-NetBSD 3.0, HP-UX 11.23, IRIX 6.5, Solaris 9, mingw.
+NetBSD 3.0, Minix 3.1.8, HP-UX 11.23, IRIX 6.5, Solaris 9, mingw, MSVC 9.
 @item
-glibc has an incompatible version of this function.  The POSIX compliant code
+glibc and Cygwin have an incompatible version of this function.  The
+POSIX compliant code
 @smallexample
 char *s = (strerror_r (err, buf, buflen) == 0 ? buf : NULL);
 @end smallexample
@@ -21,6 +22,9 @@ is essentially equivalent to this code using the glibc function:
 char *s = strerror_r (err, buf, buflen);
 @end smallexample
 @item
+This function clobbers the @code{strerror} buffer on some platforms:
+Cygwin 1.7.9.
+@item
 This function is sometimes not declared in @code{<string.h>} on some platforms:
 glibc 2.8, OSF/1 5.1.
 @item
@@ -30,25 +34,43 @@ AIX 5.1, OSF/1 5.1.
 @item
 When this function fails, it returns -1 and sets @code{errno}, instead of
 returning the error number, on some platforms:
-glibc 2.8 with @code{-D_POSIX_C_SOURCE=200112L}, AIX 6.1, OSF/1 5.1.
+glibc 2.12 with @code{-D_POSIX_C_SOURCE=200112L}, AIX 6.1, OSF/1 5.1.
+@item
+When this function fails, it corrupts @code{errno}, on some platforms:
+Solaris 10.
 @item
 This function does not support the error values that are specified by POSIX
 but not defined by the system, on some platforms:
 OpenBSD 4.0, OSF/1 5.1, NonStop Kernel, Cygwin 1.5.x.
 @item
+This function reports failure for @code{strerror_r(0, buf, len)},
+although POSIX requires this to succeed, on some platforms:
+FreeBSD 8.2.
+@item
+This function produces a different string for @code{0} than
+@code{strerror} on some platforms:
+MacOS X 10.5.
+@item
 This function always fails when the third argument is less than 80 on some
 platforms:
 HP-UX 11.31.
 @item
-When the buffer is too small, this function does not fail, but instead
-truncates the result and returns 0 on some platforms:
-OSF/1 5.1.
+When the buffer is too small and the value is in range, this function
+does not fail, but instead truncates the result and returns 0 on some
+platforms:
+AIX 6.1, OSF/1 5.1.
+@item
+When the value is not in range or the buffer is too small, this
+function fails to leave a NUL-terminated string in the buffer on some
+platforms:
+glibc 2.13, FreeBSD 8.2, Solaris 10.
+@item
+When the value is out of range but the buffer is too small, this
+function does not always return the longest possible string on some
+platforms:
+OpenBSD 4.7.
 @end itemize
 
 Portability problems not fixed by Gnulib:
 @itemize
-@item
-When the buffer is too small, this function does not fail, but instead
-truncates the result and returns 0 on some platforms:
-AIX 6.1.
 @end itemize