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| author | brucec <brucec@FreeBSD.org> | 2010-12-03 18:30:55 +0000 |
|---|---|---|
| committer | brucec <brucec@FreeBSD.org> | 2010-12-03 18:30:55 +0000 |
| commit | 3e854ebf959d26915bc669c5f087303f4ae8c975 (patch) | |
| tree | 23121d0f1c265dd50d29c909f43df2d78fe51d38 /share | |
| parent | c53b6b87732a26be48886aac7c902ab2cf9980b0 (diff) | |
| download | FreeBSD-src-3e854ebf959d26915bc669c5f087303f4ae8c975.zip FreeBSD-src-3e854ebf959d26915bc669c5f087303f4ae8c975.tar.gz | |
Document the fact that passing in a count of zero to the bus_space functions
will result in undefined behaviour.
Taken from NetBSD's bus_space(9).
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/man9/bus_space.9 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/share/man/man9/bus_space.9 b/share/man/man9/bus_space.9 index 5a18dfb..b3234c4 100644 --- a/share/man/man9/bus_space.9 +++ b/share/man/man9/bus_space.9 @@ -719,6 +719,9 @@ or which return data read from bus space (i.e., functions which do not obviously return an error code) do not fail. They could only fail if given invalid arguments, and in that case their behaviour is undefined. +Functions which take a count of bytes have undefined results if the specified +.Fa count +is zero. .Sh TYPES Several types are defined in .In machine/bus.h |
