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Annotation of embedaddon/pcre/doc/pcre_config.3, revision 1.1.1.5

1.1.1.5 ! misho       1: .TH PCRE_CONFIG 3 "05 November 2013" "PCRE 8.34"
1.1       misho       2: .SH NAME
                      3: PCRE - Perl-compatible regular expressions
                      4: .SH SYNOPSIS
                      5: .rs
                      6: .sp
                      7: .B #include <pcre.h>
                      8: .PP
                      9: .SM
                     10: .B int pcre_config(int \fIwhat\fP, void *\fIwhere\fP);
1.1.1.2   misho      11: .PP
                     12: .B int pcre16_config(int \fIwhat\fP, void *\fIwhere\fP);
1.1.1.4   misho      13: .PP
                     14: .B int pcre32_config(int \fIwhat\fP, void *\fIwhere\fP);
1.1       misho      15: .
                     16: .SH DESCRIPTION
                     17: .rs
                     18: .sp
                     19: This function makes it possible for a client program to find out which optional
                     20: features are available in the version of the PCRE library it is using. The
                     21: arguments are as follows:
                     22: .sp
                     23:   \fIwhat\fP     A code specifying what information is required
                     24:   \fIwhere\fP    Points to where to put the data
                     25: .sp
                     26: The \fIwhere\fP argument must point to an integer variable, except for
                     27: PCRE_CONFIG_MATCH_LIMIT and PCRE_CONFIG_MATCH_LIMIT_RECURSION, when it must
                     28: point to an unsigned long integer. The available codes are:
                     29: .sp
                     30:   PCRE_CONFIG_JIT           Availability of just-in-time compiler
                     31:                               support (1=yes 0=no)
1.1.1.2   misho      32:   PCRE_CONFIG_JITTARGET     String containing information about the
                     33:                               target architecture for the JIT compiler,
                     34:                               or NULL if there is no JIT support
1.1       misho      35:   PCRE_CONFIG_LINK_SIZE     Internal link size: 2, 3, or 4
1.1.1.5 ! misho      36:   PCRE_CONFIG_PARENS_LIMIT  Parentheses nesting limit
1.1       misho      37:   PCRE_CONFIG_MATCH_LIMIT   Internal resource limit
                     38:   PCRE_CONFIG_MATCH_LIMIT_RECURSION
                     39:                             Internal recursion depth limit
                     40:   PCRE_CONFIG_NEWLINE       Value of the default newline sequence:
                     41:                                 13 (0x000d)    for CR
                     42:                                 10 (0x000a)    for LF
                     43:                               3338 (0x0d0a)    for CRLF
                     44:                                 -2             for ANYCRLF
                     45:                                 -1             for ANY
                     46:   PCRE_CONFIG_BSR           Indicates what \eR matches by default:
                     47:                                  0             all Unicode line endings
                     48:                                  1             CR, LF, or CRLF only
                     49:   PCRE_CONFIG_POSIX_MALLOC_THRESHOLD
                     50:                             Threshold of return slots, above which
                     51:                               \fBmalloc()\fP is used by the POSIX API
                     52:   PCRE_CONFIG_STACKRECURSE  Recursion implementation (1=stack 0=heap)
1.1.1.2   misho      53:   PCRE_CONFIG_UTF16         Availability of UTF-16 support (1=yes
                     54:                                0=no); option for \fBpcre16_config()\fP
1.1.1.4   misho      55:   PCRE_CONFIG_UTF32         Availability of UTF-32 support (1=yes
                     56:                                0=no); option for \fBpcre32_config()\fP
1.1.1.2   misho      57:   PCRE_CONFIG_UTF8          Availability of UTF-8 support (1=yes 0=no);
                     58:                               option for \fBpcre_config()\fP
1.1       misho      59:   PCRE_CONFIG_UNICODE_PROPERTIES
                     60:                             Availability of Unicode property support
                     61:                               (1=yes 0=no)
                     62: .sp
1.1.1.2   misho      63: The function yields 0 on success or PCRE_ERROR_BADOPTION otherwise. That error
1.1.1.4   misho      64: is also given if PCRE_CONFIG_UTF16 or PCRE_CONFIG_UTF32 is passed to
                     65: \fBpcre_config()\fP, if PCRE_CONFIG_UTF8 or PCRE_CONFIG_UTF32 is passed to
                     66: \fBpcre16_config()\fP, or if PCRE_CONFIG_UTF8 or PCRE_CONFIG_UTF16 is passed to
                     67: \fBpcre32_config()\fP.
1.1       misho      68: .P
                     69: There is a complete description of the PCRE native API in the
                     70: .\" HREF
                     71: \fBpcreapi\fP
                     72: .\"
                     73: page and a description of the POSIX API in the
                     74: .\" HREF
                     75: \fBpcreposix\fP
                     76: .\"
                     77: page.