0001 BBOOLEV(3)
0002 ==========
0003 :doctype: manpage
0004
0005
0006 NAME
0007 ----
0008 Bboolev - Evaluate compiled expression tree against UBF buffer
0009
0010
0011 SYNOPSIS
0012 --------
0013
0014 #include <ubf.h>
0015
0016 int Bboolev (UBFH *'p_ub', char *'tree');
0017
0018 Link with '-lubf -lnstd -lm -lpthread'
0019
0020 DESCRIPTION
0021 -----------
0022 Evaluate compiled Boolean expression in 'tree' against UBF buffer in 'p_ub'.
0023 In case if accessing *BFLD_VIEW* subfields, value is read as *BFLD_STRING*.
0024
0025 RETURN VALUE
0026 ------------
0027 On success, *Bboolev()* and result is TRUE, then *1* is returned. ON
0028 success but statement is FALSE, then *0* is returned.
0029 On error *-1* is returned, with *Berror* set to indicate the error.
0030
0031 ERRORS
0032 ------
0033 Note that *Bstrerror()* returns generic error message plus custom message with
0034 debug info from last function call.
0035
0036 *BNOTFLD* 'p_ub' is not fielded buffer or argument NULL.
0037
0038 *BEINVAL* 'tree' parameter is NULL.
0039
0040 *BALIGNERR* Corrupted buffer or pointing to not aligned memory area.
0041
0042 *BNOTFLD* Buffer not fielded, not correctly allocated or corrupted.
0043
0044 *BBADFLD* Invalid field id passed.
0045
0046 *BNOTPRES* Field not present.
0047
0048 *FMALLOC* Malloc failed.
0049
0050 *BSYNTAX* Synax error in script.
0051
0052 *BBADNAME* Bad field name specified.
0053
0054 EXAMPLE
0055 -------
0056 See *ubftest/test_expr.c* for sample code.
0057
0058 BUGS
0059 ----
0060 Report bugs to support@mavimax.com
0061
0062 SEE ALSO
0063 --------
0064 *Bboolco(3)* *Bfloatev(3)* *Btreefree(3)*
0065
0066 COPYING
0067 -------
0068 (C) Mavimax, Ltd
0069
