58 lines
2.0 KiB
Groff
58 lines
2.0 KiB
Groff
.TH PCRE_CONFIG 3
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.SH NAME
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PCRE - Perl-compatible regular expressions
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.SH SYNOPSIS
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.rs
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.sp
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.B #include <pcre.h>
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.PP
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.SM
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.B int pcre_config(int \fIwhat\fP, void *\fIwhere\fP);
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.
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.SH DESCRIPTION
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.rs
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.sp
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This function makes it possible for a client program to find out which optional
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features are available in the version of the PCRE library it is using. Its
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arguments are as follows:
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.sp
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\fIwhat\fR A code specifying what information is required
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\fIwhere\fR Points to where to put the data
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.sp
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The available codes are:
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.sp
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PCRE_CONFIG_LINK_SIZE Internal link size: 2, 3, or 4
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PCRE_CONFIG_MATCH_LIMIT Internal resource limit
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PCRE_CONFIG_MATCH_LIMIT_RECURSION
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Internal recursion depth limit
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PCRE_CONFIG_NEWLINE Value of the default newline sequence:
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13 (0x000d) for CR
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10 (0x000a) for LF
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3338 (0x0d0a) for CRLF
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-2 for ANYCRLF
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-1 for ANY
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PCRE_CONFIG_BSR Indicates what \eR matches by default:
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0 all Unicode line endings
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1 CR, LF, or CRLF only
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PCRE_CONFIG_POSIX_MALLOC_THRESHOLD
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Threshold of return slots, above
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which \fBmalloc()\fR is used by
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the POSIX API
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PCRE_CONFIG_STACKRECURSE Recursion implementation (1=stack 0=heap)
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PCRE_CONFIG_UTF8 Availability of UTF-8 support (1=yes 0=no)
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PCRE_CONFIG_UNICODE_PROPERTIES
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Availability of Unicode property support
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(1=yes 0=no)
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.sp
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The function yields 0 on success or PCRE_ERROR_BADOPTION otherwise.
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.P
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There is a complete description of the PCRE native API in the
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.\" HREF
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\fBpcreapi\fR
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.\"
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page and a description of the POSIX API in the
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.\" HREF
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\fBpcreposix\fR
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.\"
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page.
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