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<title>pcre2_serialize_encode specification</title>
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<h1>pcre2_serialize_encode man page</h1>

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This page is part of the PCRE2 HTML documentation. It was generated
automatically from the original man page. If there is any nonsense in it,
please consult the man page, in case the conversion went wrong.
 
 
SYNOPSIS
 

#include &#60;pcre2.h&#62;


int32_t pcre2_serialize_encode(const pcre2_code **codes,
 int32_t number_of_codes, uint8_t **serialized_bytes,
 PCRE2_SIZE *serialized_size, pcre2_general_context *gcontext);

 
DESCRIPTION
 

This function encodes a list of compiled patterns into a byte stream that can
be saved on disc or elsewhere. Note that this is not an abstract format like
Java or .NET. Conversion of the byte stream back into usable compiled patterns
can only happen on a host that is running the same version of PCRE2, with the
same code unit width, and the host must also have the same endianness, pointer
width and PCRE2_SIZE type. The arguments for pcre2_serialize_encode()
are:
<pre>
 codes pointer to a vector containing the list
 number_of_codes number of slots in the vector
 serialized_bytes set to point to the serialized byte stream
 serialized_size set to the number of bytes in the byte stream
 gcontext pointer to a general context or NULL
</pre>
The context argument is used to obtain memory for the byte stream. When the
serialized data is no longer needed, it must be freed by calling
pcre2_serialize_free(). The yield of the function is the number of
serialized patterns, or one of the following negative error codes:
<pre>
 PCRE2_ERROR_BADDATA number_of_codes is zero or less
 PCRE2_ERROR_BADMAGIC mismatch of id bytes in one of the patterns
 PCRE2_ERROR_MEMORY memory allocation failed
 PCRE2_ERROR_MIXEDTABLES the patterns do not all use the same tables
 PCRE2_ERROR_NULL an argument other than gcontext is NULL
</pre>
PCRE2_ERROR_BADMAGIC means either that a pattern's code has been corrupted, or
that a slot in the vector does not point to a compiled pattern.


There is a complete description of the PCRE2 native API in the
<a href="pcre2api.html">pcre2api</a>
page and a description of the serialization functions in the
<a href="pcre2serialize.html">pcre2serialize</a>
page.

Return to the <a href="index.html">PCRE2 index page</a>.