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(Bindat Functions): Rename pos' and raw-data' to

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`bindat-idx' and `bindat-raw' for clarity.
This commit is contained in:
Kim F. Storm 2006-05-28 22:20:49 +00:00
parent 6c6e0bb44e
commit b35444d58b
1 changed files with 12 additions and 12 deletions
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24
lispref/processes.texi
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@ -2185,11 +2185,11 @@ field name is specified, the value is bound to that field name.
@var{form} can access and update these dynamically bound variables:
@table @code
@item raw-data
@item bindat-raw
The data as a byte array.
@item pos
Current position of the unpacking or packing operation.
@item bindat-idx
Current index into bindat-raw of the unpacking or packing operation.
@item struct
Alist.
@ -2243,14 +2243,14 @@ include a name.
@subsection Functions to Unpack and Pack Bytes
In the following documentation, @var{spec} refers to a data layout
specification, @code{raw-data} to a byte array, and @var{struct} to an
specification, @code{bindat-raw} to a byte array, and @var{struct} to an
alist representing unpacked field data.
@defun bindat-unpack spec raw-data &optional pos
@defun bindat-unpack spec bindat-raw &optional bindat-idx
This function unpacks data from the unibyte string or byte
array @code{raw-data}
array @code{bindat-raw}
according to @var{spec}. Normally this starts unpacking at the
beginning of the byte array, but if @var{pos} is non-@code{nil}, it
beginning of the byte array, but if @var{bindat-idx} is non-@code{nil}, it
specifies a zero-based starting position to use instead.
The value is an alist or nested alist in which each element describes
@ -2283,15 +2283,15 @@ This function returns the total length of the data in @var{struct},
according to @var{spec}.
@end defun
@defun bindat-pack spec struct &optional raw-data pos
@defun bindat-pack spec struct &optional bindat-raw bindat-idx
This function returns a byte array packed according to @var{spec} from
the data in the alist @var{struct}. Normally it creates and fills a
new byte array starting at the beginning. However, if @var{raw-data}
new byte array starting at the beginning. However, if @var{bindat-raw}
is non-@code{nil}, it specifies a pre-allocated unibyte string or vector to
pack into. If @var{pos} is non-@code{nil}, it specifies the starting
offset for packing into @code{raw-data}.
pack into. If @var{bindat-idx} is non-@code{nil}, it specifies the starting
offset for packing into @code{bindat-raw}.
When pre-allocating, you should make sure @code{(length @var{raw-data})}
When pre-allocating, you should make sure @code{(length @var{bindat-raw})}
meets or exceeds the total length to avoid an out-of-range error.
@end defun