Annotation of embedaddon/pcre/doc/pcre_fullinfo.3, revision 1.1.1.2

1.1       misho       1: .TH PCRE_FULLINFO 3
                      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_fullinfo(const pcre *\fIcode\fP, "const pcre_extra *\fIextra\fP,"
                     11: .ti +5n
                     12: .B int \fIwhat\fP, void *\fIwhere\fP);
1.1.1.2 ! misho      13: .PP
        !            14: .B int pcre16_fullinfo(const pcre16 *\fIcode\fP, "const pcre16_extra *\fIextra\fP,"
        !            15: .ti +5n
        !            16: .B int \fIwhat\fP, void *\fIwhere\fP);
1.1       misho      17: .
                     18: .SH DESCRIPTION
                     19: .rs
                     20: .sp
                     21: This function returns information about a compiled pattern. Its arguments are:
                     22: .sp
                     23:   \fIcode\fP                      Compiled regular expression
1.1.1.2 ! misho      24:   \fIextra\fP                     Result of \fBpcre[16]_study()\fP or NULL
1.1       misho      25:   \fIwhat\fP                      What information is required
                     26:   \fIwhere\fP                     Where to put the information
                     27: .sp
                     28: The following information is available:
                     29: .sp
                     30:   PCRE_INFO_BACKREFMAX      Number of highest back reference
                     31:   PCRE_INFO_CAPTURECOUNT    Number of capturing subpatterns
                     32:   PCRE_INFO_DEFAULT_TABLES  Pointer to default tables
1.1.1.2 ! misho      33:   PCRE_INFO_FIRSTBYTE       Fixed first data unit for a match, or
1.1       misho      34:                               -1 for start of string
                     35:                                  or after newline, or
                     36:                               -2 otherwise
1.1.1.2 ! misho      37:   PCRE_INFO_FIRSTTABLE      Table of first data units (after studying)
1.1       misho      38:   PCRE_INFO_HASCRORLF       Return 1 if explicit CR or LF matches exist
                     39:   PCRE_INFO_JCHANGED        Return 1 if (?J) or (?-J) was used
                     40:   PCRE_INFO_JIT             Return 1 after successful JIT compilation
1.1.1.2 ! misho      41:   PCRE_INFO_JITSIZE         Size of JIT compiled code
        !            42:   PCRE_INFO_LASTLITERAL     Literal last data unit required
1.1       misho      43:   PCRE_INFO_MINLENGTH       Lower bound length of matching strings
                     44:   PCRE_INFO_NAMECOUNT       Number of named subpatterns
                     45:   PCRE_INFO_NAMEENTRYSIZE   Size of name table entry
                     46:   PCRE_INFO_NAMETABLE       Pointer to name table
                     47:   PCRE_INFO_OKPARTIAL       Return 1 if partial matching can be tried
                     48:                               (always returns 1 after release 8.00)
                     49:   PCRE_INFO_OPTIONS         Option bits used for compilation
                     50:   PCRE_INFO_SIZE            Size of compiled pattern
                     51:   PCRE_INFO_STUDYSIZE       Size of study data
                     52: .sp
                     53: The \fIwhere\fP argument must point to an integer variable, except for the
                     54: following \fIwhat\fP values:
                     55: .sp
                     56:   PCRE_INFO_DEFAULT_TABLES  const unsigned char *
                     57:   PCRE_INFO_FIRSTTABLE      const unsigned char *
1.1.1.2 ! misho      58:   PCRE_INFO_NAMETABLE       PCRE_SPTR16           (16-bit library)
        !            59:   PCRE_INFO_NAMETABLE       const unsigned char * (8-bit library)
1.1       misho      60:   PCRE_INFO_OPTIONS         unsigned long int
                     61:   PCRE_INFO_SIZE            size_t
                     62: .sp
                     63: The yield of the function is zero on success or:
                     64: .sp
                     65:   PCRE_ERROR_NULL           the argument \fIcode\fP was NULL
                     66:                             the argument \fIwhere\fP was NULL
                     67:   PCRE_ERROR_BADMAGIC       the "magic number" was not found
                     68:   PCRE_ERROR_BADOPTION      the value of \fIwhat\fP was invalid
                     69: .P
                     70: There is a complete description of the PCRE native API in the
                     71: .\" HREF
                     72: \fBpcreapi\fP
                     73: .\"
                     74: page and a description of the POSIX API in the
                     75: .\" HREF
                     76: \fBpcreposix\fP
                     77: .\"
                     78: page.

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