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Man Pages


Manual Reference Pages  -  PCRE2_SERIALIZE_ENCODE (3)

NAME

PCRE2 - Perl-compatible regular expressions (revised API)

CONTENTS

Synopsis
Description

SYNOPSIS

#include <pcre2.h>


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. Its arguments are:

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

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:

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

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 pcre2api page and a description of the POSIX API in the pcre2posix page.

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PCRE2 10.21 PCRE2_SERIALIZE_ENCODE (3) 02 September 2015

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