Help / Pcre / pcre_config specification

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pcre_config man page

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SYNOPSIS

#include <pcre.h>

int pcre_config(int what, void *where);

DESCRIPTION

This function makes it possible for a client program to find out which optional features are available in the version of the PCRE library it is using. Its arguments are as follows:

  what     A code specifying what information is required
  where    Points to where to put the data

The available codes are:

  PCRE_CONFIG_LINK_SIZE     Internal link size: 2, 3, or 4
  PCRE_CONFIG_MATCH_LIMIT   Internal resource limit
  PCRE_CONFIG_MATCH_LIMIT_RECURSION
                            Internal recursion depth limit
  PCRE_CONFIG_NEWLINE       Value of the newline sequence
  PCRE_CONFIG_POSIX_MALLOC_THRESHOLD
                            Threshold of return slots, above
                              which malloc() is used by
                              the POSIX API
  PCRE_CONFIG_STACKRECURSE  Recursion implementation (1=stack 0=heap)
  PCRE_CONFIG_UTF8          Availability of UTF-8 support (1=yes 0=no)
  PCRE_CONFIG_UNICODE_PROPERTIES
                            Availability of Unicode property support
                              (1=yes 0=no)

The function yields 0 on success or PCRE_ERROR_BADOPTION otherwise.

There is a complete description of the PCRE native API in the pcreapi page and a description of the POSIX API in the pcreposix page.
Return to the PCRE index page.

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