In doc/posix/functions/*printf*.texi,
document that the POSIX-specified printf functions
do not support the %n format on Android and OpenBSD.
This lack of support is deliberate, as %n is
a common target of attacks on security.
---
doc/posix-functions/dprintf.texi | 2 +-
doc/posix-functions/fprintf.texi | 2 +-
doc/posix-functions/printf.texi | 2 +-
doc/posix-functions/snprintf.texi | 4 ++--
doc/posix-functions/sprintf.texi | 2 +-
doc/posix-functions/swprintf.texi | 2 +-
doc/posix-functions/vdprintf.texi | 2 +-
doc/posix-functions/vfprintf.texi | 2 +-
doc/posix-functions/vprintf.texi | 2 +-
doc/posix-functions/vsnprintf.texi | 2 +-
doc/posix-functions/vsprintf.texi | 2 +-
11 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/doc/posix-functions/dprintf.texi b/doc/posix-functions/dprintf.texi
index 2f90377590..92b73a97b5 100644
--- a/doc/posix-functions/dprintf.texi
+++ b/doc/posix-functions/dprintf.texi
@@ -37,7 +37,7 @@ AIX 7.2, Solaris 11.4, Cygwin 2.9.0.
@item
This function does not support the @samp{n} directive on some platforms:
glibc when used with @code{_FORTIFY_SOURCE >= 2} (set by default on Ubuntu),
-macOS 11.1.
+Android, OpenBSD, macOS 11.1.
@item
This function does not support precisions in the @samp{ls} directive correctly
on some platforms:
diff --git a/doc/posix-functions/fprintf.texi b/doc/posix-functions/fprintf.texi
index 7e1d2254ca..be20b67079 100644
--- a/doc/posix-functions/fprintf.texi
+++ b/doc/posix-functions/fprintf.texi
@@ -42,7 +42,7 @@ Cygwin 1.5.x, mingw, MSVC 14.
@item
This function does not support the @samp{n} directive on some platforms:
glibc when used with @code{_FORTIFY_SOURCE >= 2} (set by default on Ubuntu),
-macOS 11.1, MSVC 14.
+Android, OpenBSD, macOS 11.1, MSVC 14.
@item
This function does not support the @samp{ls} directive on some platforms:
OpenBSD 4.0, IRIX 6.5, Cygwin 1.5.x, Haiku.
diff --git a/doc/posix-functions/printf.texi b/doc/posix-functions/printf.texi
index e8fafa4bdb..38489e292a 100644
--- a/doc/posix-functions/printf.texi
+++ b/doc/posix-functions/printf.texi
@@ -42,7 +42,7 @@ Cygwin 1.5.x, mingw, MSVC 14.
@item
This function does not support the @samp{n} directive on some platforms:
glibc when used with @code{_FORTIFY_SOURCE >= 2} (set by default on Ubuntu),
-macOS 11.1, MSVC 14.
+Android, OpenBSD, macOS 11.1, MSVC 14.
@item
This function does not support the @samp{ls} directive on some platforms:
OpenBSD 4.0, IRIX 6.5, Cygwin 1.5.x, Haiku.
diff --git a/doc/posix-functions/snprintf.texi
b/doc/posix-functions/snprintf.texi
index 032c6ff023..25e86e6fea 100644
--- a/doc/posix-functions/snprintf.texi
+++ b/doc/posix-functions/snprintf.texi
@@ -57,7 +57,7 @@ Cygwin 1.5.x, mingw, MSVC 14.
@item
This function does not support the @samp{n} directive on some platforms:
glibc when used with @code{_FORTIFY_SOURCE >= 2} (set by default on Ubuntu),
-macOS 11.1, MSVC 14.
+Android, OpenBSD, macOS 11.1, MSVC 14.
@item
This function does not support the @samp{ls} directive on some platforms:
OpenBSD 4.0, IRIX 6.5, Cygwin 1.5.x, Haiku.
@@ -97,7 +97,7 @@ This function does not truncate the result as specified in
C99 on some platforms
mingw, MSVC 14.
@item
This function does not fully support the @samp{n} directive on some platforms:
-HP-UX 11, mingw, MSVC 14.
+HP-UX 11, mingw.
@end itemize
Portability problems fixed by Gnulib module @code{snprintf-gnu}:
diff --git a/doc/posix-functions/sprintf.texi b/doc/posix-functions/sprintf.texi
index 5d88d38c3f..6aaf7b4b93 100644
--- a/doc/posix-functions/sprintf.texi
+++ b/doc/posix-functions/sprintf.texi
@@ -42,7 +42,7 @@ Cygwin 1.5.x, mingw, MSVC 14.
@item
This function does not support the @samp{n} directive on some platforms:
glibc when used with @code{_FORTIFY_SOURCE >= 2} (set by default on Ubuntu),
-macOS 11.1, MSVC 14.
+Android, OpenBSD, macOS 11.1, MSVC 14.
@item
This function does not support the @samp{ls} directive on some platforms:
OpenBSD 4.0, IRIX 6.5, Cygwin 1.5.x, Haiku.
diff --git a/doc/posix-functions/swprintf.texi
b/doc/posix-functions/swprintf.texi
index 7883bfbe44..6029adbb66 100644
--- a/doc/posix-functions/swprintf.texi
+++ b/doc/posix-functions/swprintf.texi
@@ -24,7 +24,7 @@ MSVC 14.
@item
This function does not support the @samp{n} directive on some platforms:
glibc when used with @code{_FORTIFY_SOURCE >= 2} (set by default on Ubuntu),
-macOS 11.1, MSVC 14.
+Android, OpenBSD, macOS 11.1, MSVC 14.
@item
This function sometimes returns a wrong value through the @samp{n} directive
on some platforms:
diff --git a/doc/posix-functions/vdprintf.texi
b/doc/posix-functions/vdprintf.texi
index f21172c441..05f001d707 100644
--- a/doc/posix-functions/vdprintf.texi
+++ b/doc/posix-functions/vdprintf.texi
@@ -37,7 +37,7 @@ AIX 7.2, Solaris 11.4, Cygwin 2.9.0.
@item
This function does not support the @samp{n} directive on some platforms:
glibc when used with @code{_FORTIFY_SOURCE >= 2} (set by default on Ubuntu),
-macOS 11.1.
+Android, OpenBSD, macOS 11.1.
@item
This function does not support precisions in the @samp{ls} directive correctly
on some platforms:
diff --git a/doc/posix-functions/vfprintf.texi
b/doc/posix-functions/vfprintf.texi
index b4ae2cc733..6d1c1600fd 100644
--- a/doc/posix-functions/vfprintf.texi
+++ b/doc/posix-functions/vfprintf.texi
@@ -42,7 +42,7 @@ Cygwin 1.5.x, mingw, MSVC 14.
@item
This function does not support the @samp{n} directive on some platforms:
glibc when used with @code{_FORTIFY_SOURCE >= 2} (set by default on Ubuntu),
-macOS 11.1, MSVC 14.
+Android, OpenBSD, macOS 11.1, MSVC 14.
@item
This function does not support the @samp{ls} directive on some platforms:
OpenBSD 4.0, IRIX 6.5, Cygwin 1.5.x, Haiku.
diff --git a/doc/posix-functions/vprintf.texi b/doc/posix-functions/vprintf.texi
index a69eb467cd..d277d3b1f8 100644
--- a/doc/posix-functions/vprintf.texi
+++ b/doc/posix-functions/vprintf.texi
@@ -42,7 +42,7 @@ Cygwin 1.5.x, mingw, MSVC 14.
@item
This function does not support the @samp{n} directive on some platforms:
glibc when used with @code{_FORTIFY_SOURCE >= 2} (set by default on Ubuntu),
-macOS 11.1, MSVC 14.
+Android, OpenBSD, macOS 11.1, MSVC 14.
@item
This function does not support the @samp{ls} directive on some platforms:
OpenBSD 4.0, IRIX 6.5, Cygwin 1.5.x, Haiku.
diff --git a/doc/posix-functions/vsnprintf.texi
b/doc/posix-functions/vsnprintf.texi
index 90613a95ef..24b39bffb5 100644
--- a/doc/posix-functions/vsnprintf.texi
+++ b/doc/posix-functions/vsnprintf.texi
@@ -91,7 +91,7 @@ mingw, MSVC 14.
@item
This function does not fully support the @samp{n} directive on some platforms:
glibc when used with @code{_FORTIFY_SOURCE >= 2} (set by default on Ubuntu),
-macOS 11.1, HP-UX 11, mingw, MSVC 14.
+Android, OpenBSD, macOS 11.1, HP-UX 11, mingw, MSVC 14.
@item
This function overwrites memory even when a zero size argument is passed on
some
platforms:
diff --git a/doc/posix-functions/vsprintf.texi
b/doc/posix-functions/vsprintf.texi
index e75af4fb3b..0b8079df23 100644
--- a/doc/posix-functions/vsprintf.texi
+++ b/doc/posix-functions/vsprintf.texi
@@ -42,7 +42,7 @@ Cygwin 1.5.x, mingw, MSVC 14.
@item
This function does not support the @samp{n} directive on some platforms:
glibc when used with @code{_FORTIFY_SOURCE >= 2} (set by default on Ubuntu),
-macOS 11.1, MSVC 14.
+Android, OpenBSD, macOS 11.1, MSVC 14.
@item
This function does not support the @samp{ls} directive on some platforms:
OpenBSD 4.0, IRIX 6.5, Cygwin 1.5.x, Haiku.
--
2.39.2
