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authorFred Drake <fdrake@acm.org>1998-04-03 06:49:26 (GMT)
committerFred Drake <fdrake@acm.org>1998-04-03 06:49:26 (GMT)
commit74810d5abb61088b35e2bac535b6fd92b005906f (patch)
treedd0acb3d748c6bd44a9cdd2699f5e9262972396b /Doc/lib
parentc3486318e06d2a6c20b7a6d55436e90160c199bf (diff)
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Nits.
Add {excdesc} for zlib.error. Use {methoddesc} where appropriate.
Diffstat (limited to 'Doc/lib')
-rw-r--r--Doc/lib/libzlib.tex58
1 files changed, 33 insertions, 25 deletions
diff --git a/Doc/lib/libzlib.tex b/Doc/lib/libzlib.tex
index c4ad987..d8ecc98 100644
--- a/Doc/lib/libzlib.tex
+++ b/Doc/lib/libzlib.tex
@@ -1,19 +1,25 @@
-% XXX The module has been extended (by Jeremy) but this documentation hasn't been updated yet
+% XXX The module has been extended (by Jeremy) but this documentation
+% hasn't been updated yet
-\section{Built-in Module \sectcode{zlib}}
+\section{Built-in Module \module{zlib}}
\label{module-zlib}
\bimodindex{zlib}
For applications that require data compression, the functions in this
module allow compression and decompression, using the zlib library,
-which is based on GNU zip. The zlib library has its own home page at
-\url{http://www.cdrom.com/pub/infozip/zlib/}.
-Version 1.0.4 is the most recent version as of December, 1997; use a
-later version if one is available.
+which is based on the GNU \program{gzip} program. The zlib library
+has its own home page at
+\url{http://www.cdrom.com/pub/infozip/zlib/}. Version 1.0.4 is the
+most recent version as of December, 1997; use a later version if one
+is available.
+
+The available exception and functions in this module are:
+
+\begin{excdesc}{error}
+ Exception raised on compression and decompression errors.
+\end{excdesc}
-The available functions in this module are:
-\setindexsubitem{(in module zlib)}
\begin{funcdesc}{adler32}{string\optional{, value}}
Computes a Adler-32 checksum of \var{string}. (An Adler-32
checksum is almost as reliable as a CRC32 but can be computed much
@@ -30,7 +36,7 @@ Compresses the data in \var{string}, returning a string contained
compressed data. \var{level} is an integer from \code{1} to \code{9}
controlling the level of compression; \code{1} is fastest and produces
the least compression, \code{9} is slowest and produces the most. The
-default value is \code{6}. Raises the \exception{zlib.error}
+default value is \code{6}. Raises the \exception{error}
exception if any error occurs.
\end{funcdesc}
@@ -43,17 +49,19 @@ exception if any error occurs.
\end{funcdesc}
\begin{funcdesc}{crc32}{string\optional{, value}}
- Computes a CRC (Cyclic Redundancy Check) sum of \var{string}. If
- \var{value} is present, it is used as the starting value of the
- checksum; otherwise, a fixed default value is used. This allows
- computing a running checksum over the concatenation of several
- input strings. The algorithm is not cryptographically strong, and
- should not be used for authentication or digital signatures.
+ Computes a CRC (Cyclic Redundancy Check)%
+ \index{Cyclic Redundancy Check}
+ checksum of \var{string}. If
+ \var{value} is present, it is used as the starting value of the
+ checksum; otherwise, a fixed default value is used. This allows
+ computing a running checksum over the concatenation of several
+ input strings. The algorithm is not cryptographically strong, and
+ should not be used for authentication or digital signatures.
\end{funcdesc}
\begin{funcdesc}{decompress}{string}
Decompresses the data in \var{string}, returning a string containing
-the uncompressed data. Raises the \exception{zlib.error} exception if any
+the uncompressed data. Raises the \exception{error} exception if any
error occurs.
\end{funcdesc}
@@ -66,41 +74,41 @@ alone.
Compression objects support the following methods:
-\begin{funcdesc}{compress}{string}
+\begin{methoddesc}[Compress]{compress}{string}
Compress \var{string}, returning a string containing compressed data
for at least part of the data in \var{string}. This data should be
concatenated to the output produced by any preceding calls to the
\method{compress()} method. Some input may be kept in internal buffers
for later processing.
-\end{funcdesc}
+\end{methoddesc}
-\begin{funcdesc}{flush}{}
+\begin{methoddesc}[Compress]{flush}{}
All pending input is processed, and an string containing the remaining
compressed output is returned. After calling \method{flush()}, the
\method{compress()} method cannot be called again; the only realistic
action is to delete the object.
-\end{funcdesc}
+\end{methoddesc}
Decompression objects support the following methods:
-\begin{funcdesc}{decompress}{string}
+\begin{methoddesc}[Decompress]{decompress}{string}
Decompress \var{string}, returning a string containing the
uncompressed data corresponding to at least part of the data in
\var{string}. This data should be concatenated to the output produced
by any preceding calls to the
\method{decompress()} method. Some of the input data may be preserved
in internal buffers for later processing.
-\end{funcdesc}
+\end{methoddesc}
-\begin{funcdesc}{flush}{}
+\begin{methoddesc}[Decompress]{flush}{}
All pending input is processed, and a string containing the remaining
uncompressed output is returned. After calling \method{flush()}, the
\method{decompress()} method cannot be called again; the only realistic
action is to delete the object.
-\end{funcdesc}
+\end{methoddesc}
\begin{seealso}
-\seemodule{gzip}{reading and writing \file{gzip}-format files}
+\seemodule{gzip}{reading and writing \program{gzip}-format files}
\end{seealso}