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.TH PCRE 3 |
.TH PCRE_CONFIG 3 |
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.SH NAME |
.SH NAME |
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PCRE - Perl-compatible regular expressions |
PCRE - Perl-compatible regular expressions |
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.SH SYNOPSIS |
.SH SYNOPSIS |
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.B #include <pcre.h> |
.B #include <pcre.h> |
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.PP |
.PP |
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.SM |
.SM |
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.br |
.B int pcre_config(int \fIwhat\fP, void *\fIwhere\fP); |
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.B int pcre_config(int \fIwhat\fR, void *\fIwhere\fR); |
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.SH DESCRIPTION |
.SH DESCRIPTION |
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.rs |
.rs |
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.sp |
.sp |
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This function makes it possible for a client program to find out which optional |
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 |
features are available in the version of the PCRE library it is using. The |
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arguments are as follows: |
arguments are as follows: |
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.sp |
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\fIwhat\fR A code specifying what information is required |
\fIwhat\fP A code specifying what information is required |
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\fIwhere\fR Points to where to put the data |
\fIwhere\fP Points to where to put the data |
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.sp |
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The available codes are: |
The \fIwhere\fP argument must point to an integer variable, except for |
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PCRE_CONFIG_MATCH_LIMIT and PCRE_CONFIG_MATCH_LIMIT_RECURSION, when it must |
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point to an unsigned long integer. The available codes are: |
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.sp |
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PCRE_CONFIG_JIT Availability of just-in-time compiler |
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support (1=yes 0=no) |
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PCRE_CONFIG_LINK_SIZE Internal link size: 2, 3, or 4 |
PCRE_CONFIG_LINK_SIZE Internal link size: 2, 3, or 4 |
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PCRE_CONFIG_MATCH_LIMIT Internal resource limit |
PCRE_CONFIG_MATCH_LIMIT Internal resource limit |
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PCRE_CONFIG_NEWLINE Value of the newline character |
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 |
PCRE_CONFIG_POSIX_MALLOC_THRESHOLD |
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Threshold of return slots, above |
Threshold of return slots, above which |
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which \fBmalloc()\fR is used by |
\fBmalloc()\fP is used by the POSIX API |
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the POSIX API |
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PCRE_CONFIG_STACKRECURSE Recursion implementation (1=stack 0=heap) |
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) |
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. |
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 |
There is a complete description of the PCRE native API in the |
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.\" HREF |
.\" HREF |
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\fBpcreapi\fR |
\fBpcreapi\fP |
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.\" |
.\" |
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page, and a description of the POSIX API in the |
page and a description of the POSIX API in the |
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.\" HREF |
.\" HREF |
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\fBpcreposix\fR |
\fBpcreposix\fP |
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.\" |
.\" |
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page. |
page. |
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