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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:07:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:07:14 +0000 |
commit | a175314c3e5827eb193872241446f2f8f5c9d33c (patch) | |
tree | cd3d60ca99ae00829c52a6ca79150a5b6e62528b /storage/mroonga/vendor/groonga/lib/expr_code.c | |
parent | Initial commit. (diff) | |
download | mariadb-10.5-a175314c3e5827eb193872241446f2f8f5c9d33c.tar.xz mariadb-10.5-a175314c3e5827eb193872241446f2f8f5c9d33c.zip |
Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | storage/mroonga/vendor/groonga/lib/expr_code.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/storage/mroonga/vendor/groonga/lib/expr_code.c b/storage/mroonga/vendor/groonga/lib/expr_code.c new file mode 100644 index 00000000..a2dfc60b --- /dev/null +++ b/storage/mroonga/vendor/groonga/lib/expr_code.c @@ -0,0 +1,55 @@ +/* -*- c-basic-offset: 2 -*- */ +/* Copyright(C) 2014-2015 Brazil + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License version 2.1 as published by the Free Software Foundation. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA +*/ + +#include "grn_expr_code.h" + +unsigned int +grn_expr_code_n_used_codes(grn_ctx *ctx, + grn_expr_code *start, + grn_expr_code *target) +{ + unsigned int n_codes; + int i, n_args; + grn_expr_code *sub_code; + + if (start == target) { + return 0; + } + + n_args = target->nargs; + if (target->value) { + n_args--; + if (n_args == 0) { + return 1; + } + } + + n_codes = 1; + sub_code = target - 1; + for (i = 0; i < n_args; i++) { + int sub_n_codes; + sub_n_codes = grn_expr_code_n_used_codes(ctx, start, sub_code); + n_codes += sub_n_codes; + sub_code -= sub_n_codes; + if (sub_code < start) { + /* TODO: report error */ + return 0; + } + } + + return n_codes; +} |