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authorLukas Larsson <[email protected]>2016-07-11 17:05:31 +0200
committerLukas Larsson <[email protected]>2016-07-13 09:41:44 +0200
commitd281213a4a04a61910a6c451d8f5c86e61416bb2 (patch)
tree6f28642cddf1819e81613a519637a9cd29179290 /erts/doc/src/zlib.xml
parent0573efbc18fc20f8646cf3ff64d2affd06e03cb8 (diff)
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erts: Move all functions in docs to be in alphabetical order
This commit only changes the order of functions and does some other rearrangements to that the diff with the next commit will be easier to follow. No content or XML tags are changed.
Diffstat (limited to 'erts/doc/src/zlib.xml')
-rw-r--r--erts/doc/src/zlib.xml429
1 files changed, 216 insertions, 213 deletions
diff --git a/erts/doc/src/zlib.xml b/erts/doc/src/zlib.xml
index 861661043f..a3c94e4a7f 100644
--- a/erts/doc/src/zlib.xml
+++ b/erts/doc/src/zlib.xml
@@ -106,10 +106,36 @@ list_to_binary([Compressed|Last])</pre>
</datatypes>
<funcs>
<func>
- <name name="open" arity="0"/>
- <fsummary>Open a stream and return a stream reference</fsummary>
+ <name name="adler32" arity="2"/>
+ <fsummary>Calculate the adler checksum</fsummary>
<desc>
- <p>Open a zlib stream.</p>
+ <p>Calculate the Adler-32 checksum for <c><anno>Data</anno></c>.</p>
+ </desc>
+ </func>
+ <func>
+ <name name="adler32" arity="3"/>
+ <fsummary>Calculate the adler checksum</fsummary>
+ <desc>
+ <p>Update a running Adler-32 checksum for <c><anno>Data</anno></c>.
+ If <c><anno>Data</anno></c> is the empty binary or the empty iolist, this function returns
+ the required initial value for the checksum.</p>
+ <pre>
+Crc = lists:foldl(fun(Data,Crc0) ->
+ zlib:adler32(Z, Crc0, Data),
+ end, zlib:adler32(Z,&lt;&lt; &gt;&gt;), Datas)</pre>
+ </desc>
+ </func>
+ <func>
+ <name name="adler32_combine" arity="4"/>
+ <fsummary>Combine two Adler-32 checksums</fsummary>
+ <desc>
+ <p>Combine two Adler-32 checksums into one. For two binaries or iolists,
+ <c>Data1</c> and <c>Data2</c> with sizes of <c>Size1</c> and
+ <c><anno>Size2</anno></c>, with Adler-32 checksums <c><anno>Adler1</anno></c> and
+ <c><anno>Adler2</anno></c>. <c>adler32_combine/4</c> returns the <c><anno>Adler</anno></c>
+ checksum of <c>[Data1,Data2]</c>, requiring
+ only <c><anno>Adler1</anno></c>, <c><anno>Adler2</anno></c>, and <c><anno>Size2</anno></c>.
+ </p>
</desc>
</func>
<func>
@@ -120,6 +146,108 @@ list_to_binary([Compressed|Last])</pre>
</desc>
</func>
<func>
+ <name name="compress" arity="1"/>
+ <fsummary>Compress data with standard zlib functionality</fsummary>
+ <desc>
+ <p>Compress data (with zlib headers and checksum).</p>
+ </desc>
+ </func>
+ <func>
+ <name name="crc32" arity="1"/>
+ <fsummary>Get current CRC</fsummary>
+ <desc>
+ <p>Get the current calculated CRC checksum.</p>
+ </desc>
+ </func>
+ <func>
+ <name name="crc32" arity="2"/>
+ <fsummary>Calculate CRC</fsummary>
+ <desc>
+ <p>Calculate the CRC checksum for <c><anno>Data</anno></c>.</p>
+ </desc>
+ </func>
+ <func>
+ <name name="crc32" arity="3"/>
+ <fsummary>Calculate CRC</fsummary>
+ <desc>
+ <p>Update a running CRC checksum for <c><anno>Data</anno></c>.
+ If <c><anno>Data</anno></c> is the empty binary or the empty iolist, this function returns
+ the required initial value for the crc.</p>
+ <pre>
+Crc = lists:foldl(fun(Data,Crc0) ->
+ zlib:crc32(Z, Crc0, Data),
+ end, zlib:crc32(Z,&lt;&lt; &gt;&gt;), Datas)</pre>
+ </desc>
+ </func>
+ <func>
+ <name name="crc32_combine" arity="4"/>
+ <fsummary>Combine two CRC's</fsummary>
+ <desc>
+ <p>Combine two CRC checksums into one. For two binaries or iolists,
+ <c>Data1</c> and <c>Data2</c> with sizes of <c>Size1</c> and
+ <c><anno>Size2</anno></c>, with CRC checksums <c><anno>CRC1</anno></c> and
+ <c><anno>CRC2</anno></c>. <c>crc32_combine/4</c> returns the <c><anno>CRC</anno></c>
+ checksum of <c>[Data1,Data2]</c>, requiring
+ only <c><anno>CRC1</anno></c>, <c><anno>CRC2</anno></c>, and <c><anno>Size2</anno></c>.
+ </p>
+ </desc>
+ </func>
+
+ <func>
+ <name name="deflate" arity="2"/>
+ <fsummary>Compress data</fsummary>
+ <desc>
+ <p>Same as <c>deflate(<anno>Z</anno>, <anno>Data</anno>, none)</c>.</p>
+ </desc>
+ </func>
+ <func>
+ <name name="deflate" arity="3"/>
+ <fsummary>Compress data</fsummary>
+ <desc>
+ <p><c>deflate/3</c> compresses as much data as possible, and
+ stops when the input buffer becomes empty. It may introduce
+ some output latency (reading input without producing any
+ output) except when forced to flush.</p>
+ <p>If the parameter <c><anno>Flush</anno></c> is set to <c>sync</c>, all
+ pending output is flushed to the output buffer and the
+ output is aligned on a byte boundary, so that the
+ decompressor can get all input data available so far.
+ Flushing may degrade compression for some compression algorithms and so
+ it should be used only when necessary.</p>
+ <p>If <c><anno>Flush</anno></c> is set to <c>full</c>, all output is flushed as with
+ <c>sync</c>, and the compression state is reset so that decompression can
+ restart from this point if previous compressed data has been damaged or if
+ random access is desired. Using <c>full</c> too often can seriously degrade
+ the compression.</p>
+ <p>If the parameter <c><anno>Flush</anno></c> is set to <c>finish</c>,
+ pending input is processed, pending output is flushed and
+ <c>deflate/3</c> returns. Afterwards the only possible
+ operations on the stream are <c>deflateReset/1</c> or <c>deflateEnd/1</c>.</p>
+ <p><c><anno>Flush</anno></c> can be set to <c>finish</c> immediately after
+ <c>deflateInit</c> if all compression is to be done in one step.</p>
+ <pre>
+
+zlib:deflateInit(Z),
+B1 = zlib:deflate(Z,Data),
+B2 = zlib:deflate(Z,&lt;&lt; &gt;&gt;,finish),
+zlib:deflateEnd(Z),
+list_to_binary([B1,B2])</pre>
+ </desc>
+ </func>
+
+ <func>
+ <name name="deflateEnd" arity="1"/>
+ <fsummary>End deflate session</fsummary>
+ <desc>
+ <p>End the deflate session and cleans all data used.
+ Note that this function will throw an <c>data_error</c>
+ exception if the last call to
+ <c>deflate/3</c> was not called with <c>Flush</c> set to
+ <c>finish</c>.</p>
+ </desc>
+ </func>
+
+ <func>
<name name="deflateInit" arity="1"/>
<fsummary>Initialize a session for compression</fsummary>
<desc>
@@ -181,44 +309,32 @@ list_to_binary([Compressed|Last])</pre>
</desc>
</func>
<func>
- <name name="deflate" arity="2"/>
- <fsummary>Compress data</fsummary>
+ <name name="deflateParams" arity="3"/>
+ <fsummary>Dynamicly update deflate parameters</fsummary>
<desc>
- <p>Same as <c>deflate(<anno>Z</anno>, <anno>Data</anno>, none)</c>.</p>
+ <p>Dynamically update the compression level and compression
+ strategy. The interpretation of <c><anno>Level</anno></c> and
+ <c><anno>Strategy</anno></c> is as in <c>deflateInit/6</c>. This can be
+ used to switch between compression and straight copy of the
+ input data, or to switch to a different kind of input data
+ requiring a different strategy. If the compression level is
+ changed, the input available so far is compressed with the
+ old level (and may be flushed); the new level will take
+ effect only at the next call of <c>deflate/3</c>.</p>
+ <p>Before the call of <c>deflateParams</c>, the stream state must be set as for
+ a call of <c>deflate/3</c>, since the currently available input may have to
+ be compressed and flushed.</p>
</desc>
</func>
<func>
- <name name="deflate" arity="3"/>
- <fsummary>Compress data</fsummary>
+ <name name="deflateReset" arity="1"/>
+ <fsummary>Reset the deflate session</fsummary>
<desc>
- <p><c>deflate/3</c> compresses as much data as possible, and
- stops when the input buffer becomes empty. It may introduce
- some output latency (reading input without producing any
- output) except when forced to flush.</p>
- <p>If the parameter <c><anno>Flush</anno></c> is set to <c>sync</c>, all
- pending output is flushed to the output buffer and the
- output is aligned on a byte boundary, so that the
- decompressor can get all input data available so far.
- Flushing may degrade compression for some compression algorithms and so
- it should be used only when necessary.</p>
- <p>If <c><anno>Flush</anno></c> is set to <c>full</c>, all output is flushed as with
- <c>sync</c>, and the compression state is reset so that decompression can
- restart from this point if previous compressed data has been damaged or if
- random access is desired. Using <c>full</c> too often can seriously degrade
- the compression.</p>
- <p>If the parameter <c><anno>Flush</anno></c> is set to <c>finish</c>,
- pending input is processed, pending output is flushed and
- <c>deflate/3</c> returns. Afterwards the only possible
- operations on the stream are <c>deflateReset/1</c> or <c>deflateEnd/1</c>.</p>
- <p><c><anno>Flush</anno></c> can be set to <c>finish</c> immediately after
- <c>deflateInit</c> if all compression is to be done in one step.</p>
- <pre>
-
-zlib:deflateInit(Z),
-B1 = zlib:deflate(Z,Data),
-B2 = zlib:deflate(Z,&lt;&lt; &gt;&gt;,finish),
-zlib:deflateEnd(Z),
-list_to_binary([B1,B2])</pre>
+ <p>This function is equivalent to <c>deflateEnd/1</c>
+ followed by <c>deflateInit/[1|2|6]</c>, but does not free
+ and reallocate all the internal compression state. The
+ stream will keep the same compression level and any other
+ attributes.</p>
</desc>
</func>
<func>
@@ -236,66 +352,24 @@ list_to_binary([B1,B2])</pre>
</desc>
</func>
<func>
- <name name="deflateReset" arity="1"/>
- <fsummary>Reset the deflate session</fsummary>
- <desc>
- <p>This function is equivalent to <c>deflateEnd/1</c>
- followed by <c>deflateInit/[1|2|6]</c>, but does not free
- and reallocate all the internal compression state. The
- stream will keep the same compression level and any other
- attributes.</p>
- </desc>
- </func>
- <func>
- <name name="deflateParams" arity="3"/>
- <fsummary>Dynamicly update deflate parameters</fsummary>
- <desc>
- <p>Dynamically update the compression level and compression
- strategy. The interpretation of <c><anno>Level</anno></c> and
- <c><anno>Strategy</anno></c> is as in <c>deflateInit/6</c>. This can be
- used to switch between compression and straight copy of the
- input data, or to switch to a different kind of input data
- requiring a different strategy. If the compression level is
- changed, the input available so far is compressed with the
- old level (and may be flushed); the new level will take
- effect only at the next call of <c>deflate/3</c>.</p>
- <p>Before the call of <c>deflateParams</c>, the stream state must be set as for
- a call of <c>deflate/3</c>, since the currently available input may have to
- be compressed and flushed.</p>
- </desc>
- </func>
- <func>
- <name name="deflateEnd" arity="1"/>
- <fsummary>End deflate session</fsummary>
+ <name name="getBufSize" arity="1"/>
+ <fsummary>Get buffer size</fsummary>
<desc>
- <p>End the deflate session and cleans all data used.
- Note that this function will throw an <c>data_error</c>
- exception if the last call to
- <c>deflate/3</c> was not called with <c>Flush</c> set to
- <c>finish</c>.</p>
+ <p>Get the size of intermediate buffer.</p>
</desc>
</func>
<func>
- <name name="inflateInit" arity="1"/>
- <fsummary>Initialize a session for decompression</fsummary>
+ <name name="gunzip" arity="1"/>
+ <fsummary>Uncompress data with gz header</fsummary>
<desc>
- <p>Initialize a zlib stream for decompression.</p>
+ <p>Uncompress data (with gz headers and checksum).</p>
</desc>
</func>
<func>
- <name name="inflateInit" arity="2"/>
- <fsummary>Initialize a session for decompression</fsummary>
+ <name name="gzip" arity="1"/>
+ <fsummary>Compress data with gz header</fsummary>
<desc>
- <p>Initialize decompression session on zlib stream.</p>
- <p>The <c><anno>WindowBits</anno></c> parameter is the base two logarithm
- of the maximum window size (the size of the history buffer).
- It should be in the range 8 through 15.
- The default value is 15 if <c>inflateInit/1</c> is used.
- If a compressed stream with a larger window size is
- given as input, inflate() will throw the <c>data_error</c>
- exception. A negative <c><anno>WindowBits</anno></c> value makes zlib ignore the
- zlib header (and checksum) from the stream. Note that the zlib
- source mentions this only as a undocumented feature.</p>
+ <p>Compress data (with gz headers and checksum).</p>
</desc>
</func>
<func>
@@ -313,6 +387,16 @@ list_to_binary([B1,B2])</pre>
</desc>
</func>
<func>
+ <name name="inflateChunk" arity="1"/>
+ <fsummary>Read next uncompressed chunk</fsummary>
+ <desc>
+ <p>Read next chunk of uncompressed data, initialized by
+ <c>inflateChunk/2</c>.</p>
+ <p>This function should be repeatedly called, while it returns
+ <c>{more, Decompressed}</c>.</p>
+ </desc>
+ </func>
+ <func>
<name name="inflateChunk" arity="2"/>
<fsummary>Decompress data with limited output size</fsummary>
<desc>
@@ -350,13 +434,46 @@ loop(Z, Handler, Uncompressed) ->
</desc>
</func>
<func>
- <name name="inflateChunk" arity="1"/>
- <fsummary>Read next uncompressed chunk</fsummary>
+ <name name="inflateEnd" arity="1"/>
+ <fsummary>End inflate session</fsummary>
<desc>
- <p>Read next chunk of uncompressed data, initialized by
- <c>inflateChunk/2</c>.</p>
- <p>This function should be repeatedly called, while it returns
- <c>{more, Decompressed}</c>.</p>
+ <p>End the inflate session and cleans all data used. Note
+ that this function will throw a <c>data_error</c> exception
+ if no end of stream was found (meaning that not all data
+ has been uncompressed).</p>
+ </desc>
+ </func>
+ <func>
+ <name name="inflateInit" arity="1"/>
+ <fsummary>Initialize a session for decompression</fsummary>
+ <desc>
+ <p>Initialize a zlib stream for decompression.</p>
+ </desc>
+ </func>
+ <func>
+ <name name="inflateInit" arity="2"/>
+ <fsummary>Initialize a session for decompression</fsummary>
+ <desc>
+ <p>Initialize decompression session on zlib stream.</p>
+ <p>The <c><anno>WindowBits</anno></c> parameter is the base two logarithm
+ of the maximum window size (the size of the history buffer).
+ It should be in the range 8 through 15.
+ The default value is 15 if <c>inflateInit/1</c> is used.
+ If a compressed stream with a larger window size is
+ given as input, inflate() will throw the <c>data_error</c>
+ exception. A negative <c><anno>WindowBits</anno></c> value makes zlib ignore the
+ zlib header (and checksum) from the stream. Note that the zlib
+ source mentions this only as a undocumented feature.</p>
+ </desc>
+ </func>
+ <func>
+ <name name="inflateReset" arity="1"/>
+ <fsummary>>Reset the inflate session</fsummary>
+ <desc>
+ <p>This function is equivalent to <c>inflateEnd/1</c> followed
+ by <c>inflateInit/1</c>, but does not free and reallocate all
+ the internal decompression state. The stream will keep
+ attributes that may have been set by <c>inflateInit/[1|2]</c>.</p>
</desc>
</func>
<func>
@@ -384,23 +501,10 @@ unpack(Z, Compressed, Dict) ->
</desc>
</func>
<func>
- <name name="inflateReset" arity="1"/>
- <fsummary>>Reset the inflate session</fsummary>
- <desc>
- <p>This function is equivalent to <c>inflateEnd/1</c> followed
- by <c>inflateInit/1</c>, but does not free and reallocate all
- the internal decompression state. The stream will keep
- attributes that may have been set by <c>inflateInit/[1|2]</c>.</p>
- </desc>
- </func>
- <func>
- <name name="inflateEnd" arity="1"/>
- <fsummary>End inflate session</fsummary>
+ <name name="open" arity="0"/>
+ <fsummary>Open a stream and return a stream reference</fsummary>
<desc>
- <p>End the inflate session and cleans all data used. Note
- that this function will throw a <c>data_error</c> exception
- if no end of stream was found (meaning that not all data
- has been uncompressed).</p>
+ <p>Open a zlib stream.</p>
</desc>
</func>
<func>
@@ -411,93 +515,6 @@ unpack(Z, Compressed, Dict) ->
</desc>
</func>
<func>
- <name name="getBufSize" arity="1"/>
- <fsummary>Get buffer size</fsummary>
- <desc>
- <p>Get the size of intermediate buffer.</p>
- </desc>
- </func>
- <func>
- <name name="crc32" arity="1"/>
- <fsummary>Get current CRC</fsummary>
- <desc>
- <p>Get the current calculated CRC checksum.</p>
- </desc>
- </func>
- <func>
- <name name="crc32" arity="2"/>
- <fsummary>Calculate CRC</fsummary>
- <desc>
- <p>Calculate the CRC checksum for <c><anno>Data</anno></c>.</p>
- </desc>
- </func>
- <func>
- <name name="crc32" arity="3"/>
- <fsummary>Calculate CRC</fsummary>
- <desc>
- <p>Update a running CRC checksum for <c><anno>Data</anno></c>.
- If <c><anno>Data</anno></c> is the empty binary or the empty iolist, this function returns
- the required initial value for the crc.</p>
- <pre>
-Crc = lists:foldl(fun(Data,Crc0) ->
- zlib:crc32(Z, Crc0, Data),
- end, zlib:crc32(Z,&lt;&lt; &gt;&gt;), Datas)</pre>
- </desc>
- </func>
- <func>
- <name name="crc32_combine" arity="4"/>
- <fsummary>Combine two CRC's</fsummary>
- <desc>
- <p>Combine two CRC checksums into one. For two binaries or iolists,
- <c>Data1</c> and <c>Data2</c> with sizes of <c>Size1</c> and
- <c><anno>Size2</anno></c>, with CRC checksums <c><anno>CRC1</anno></c> and
- <c><anno>CRC2</anno></c>. <c>crc32_combine/4</c> returns the <c><anno>CRC</anno></c>
- checksum of <c>[Data1,Data2]</c>, requiring
- only <c><anno>CRC1</anno></c>, <c><anno>CRC2</anno></c>, and <c><anno>Size2</anno></c>.
- </p>
- </desc>
- </func>
- <func>
- <name name="adler32" arity="2"/>
- <fsummary>Calculate the adler checksum</fsummary>
- <desc>
- <p>Calculate the Adler-32 checksum for <c><anno>Data</anno></c>.</p>
- </desc>
- </func>
- <func>
- <name name="adler32" arity="3"/>
- <fsummary>Calculate the adler checksum</fsummary>
- <desc>
- <p>Update a running Adler-32 checksum for <c><anno>Data</anno></c>.
- If <c><anno>Data</anno></c> is the empty binary or the empty iolist, this function returns
- the required initial value for the checksum.</p>
- <pre>
-Crc = lists:foldl(fun(Data,Crc0) ->
- zlib:adler32(Z, Crc0, Data),
- end, zlib:adler32(Z,&lt;&lt; &gt;&gt;), Datas)</pre>
- </desc>
- </func>
- <func>
- <name name="adler32_combine" arity="4"/>
- <fsummary>Combine two Adler-32 checksums</fsummary>
- <desc>
- <p>Combine two Adler-32 checksums into one. For two binaries or iolists,
- <c>Data1</c> and <c>Data2</c> with sizes of <c>Size1</c> and
- <c><anno>Size2</anno></c>, with Adler-32 checksums <c><anno>Adler1</anno></c> and
- <c><anno>Adler2</anno></c>. <c>adler32_combine/4</c> returns the <c><anno>Adler</anno></c>
- checksum of <c>[Data1,Data2]</c>, requiring
- only <c><anno>Adler1</anno></c>, <c><anno>Adler2</anno></c>, and <c><anno>Size2</anno></c>.
- </p>
- </desc>
- </func>
- <func>
- <name name="compress" arity="1"/>
- <fsummary>Compress data with standard zlib functionality</fsummary>
- <desc>
- <p>Compress data (with zlib headers and checksum).</p>
- </desc>
- </func>
- <func>
<name name="uncompress" arity="1"/>
<fsummary>Uncompress data with standard zlib functionality</fsummary>
<desc>
@@ -505,13 +522,6 @@ Crc = lists:foldl(fun(Data,Crc0) ->
</desc>
</func>
<func>
- <name name="zip" arity="1"/>
- <fsummary>Compress data without the zlib headers</fsummary>
- <desc>
- <p>Compress data (without zlib headers and checksum).</p>
- </desc>
- </func>
- <func>
<name name="unzip" arity="1"/>
<fsummary>Uncompress data without the zlib headers</fsummary>
<desc>
@@ -519,17 +529,10 @@ Crc = lists:foldl(fun(Data,Crc0) ->
</desc>
</func>
<func>
- <name name="gzip" arity="1"/>
- <fsummary>Compress data with gz header</fsummary>
- <desc>
- <p>Compress data (with gz headers and checksum).</p>
- </desc>
- </func>
- <func>
- <name name="gunzip" arity="1"/>
- <fsummary>Uncompress data with gz header</fsummary>
+ <name name="zip" arity="1"/>
+ <fsummary>Compress data without the zlib headers</fsummary>
<desc>
- <p>Uncompress data (with gz headers and checksum).</p>
+ <p>Compress data (without zlib headers and checksum).</p>
</desc>
</func>
</funcs>