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https://github.com/mdbtools/mdbtools.git
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90ee7bfcb5
There are more modern tools for memory debugging, get rid of DMALLOC crap in the source code. I've left one reference in backend.c to prevent a merge conflict but this can be removed later.
96 lines
2.7 KiB
C
96 lines
2.7 KiB
C
/* MDB Tools - A library for reading MS Access database files
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* Copyright (C) 2004 Brian Bruns
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "mdbtools.h"
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/*
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* Temp table routines. These are currently used to generate mock results for
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* commands like "list tables" and "describe table"
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*/
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void
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mdb_fill_temp_col(MdbColumn *tcol, char *col_name, int col_size, int col_type, int is_fixed)
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{
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memset(tcol,0,sizeof(MdbColumn));
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strcpy(tcol->name, col_name);
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tcol->col_type = col_type;
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if ((col_type == MDB_TEXT) || (col_type == MDB_MEMO)) {
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tcol->col_size = col_size;
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} else {
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tcol->col_size = mdb_col_fixed_size(tcol);
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}
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tcol->is_fixed = is_fixed;
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}
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void
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mdb_fill_temp_field(MdbField *field, void *value, int siz, int is_fixed, int is_null, int start, int colnum)
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{
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field->value = value;
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field->siz = siz;
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field->is_fixed = is_fixed;
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field->is_null = is_null;
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field->start = start;
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field->colnum = colnum;
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}
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MdbTableDef *
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mdb_create_temp_table(MdbHandle *mdb, char *name)
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{
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MdbCatalogEntry *entry;
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MdbTableDef *table;
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/* dummy up a catalog entry */
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entry = (MdbCatalogEntry *) g_malloc0(sizeof(MdbCatalogEntry));
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entry->mdb = mdb;
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entry->object_type = MDB_TABLE;
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entry->table_pg = 0;
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strcpy(entry->object_name, name);
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table = mdb_alloc_tabledef(entry);
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table->columns = g_ptr_array_new();
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table->is_temp_table = 1;
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table->temp_table_pages = g_ptr_array_new();
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return table;
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}
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void
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mdb_temp_table_add_col(MdbTableDef *table, MdbColumn *col)
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{
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col->table = table,
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col->col_num = table->num_cols;
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if (!col->is_fixed)
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col->var_col_num = table->num_var_cols++;
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g_ptr_array_add(table->columns, g_memdup(col, sizeof(MdbColumn)));
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table->num_cols++;
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}
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/*
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* Should be called after setting up all temp table columns
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*/
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void mdb_temp_columns_end(MdbTableDef *table)
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{
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MdbColumn *col;
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unsigned int i;
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unsigned int start = 0;
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for (i=0; i<table->num_cols; i++) {
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col = g_ptr_array_index(table->columns, i);
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if (col->is_fixed) {
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col->fixed_offset = start;
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start += col->col_size;
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}
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}
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}
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