gdsl
1.8
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This is an example of how to use gdsl_2darray module.
/* * This file is part of the Generic Data Structures Library (GDSL). * Copyright (C) 1998-2018 Nicolas Darnis <ndarnis@free.fr>. * * GDSL is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * GDSL 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GDSL. If not, see <http://www.gnu.org/licenses/>. * * * GDSL - Generic Data Structures Library * $RCSfile: main_2darray.c,v $ * $Revision: 1.12 $ * $Date: 2015/02/17 12:33:16 $ */ #include <config.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include "gdsl_2darray.h" #include "_integers.h" #define ROWS_NB 4UL #define COLS_NB 3UL static void my_display_integer (const gdsl_element_t e, FILE* file, gdsl_location_t position, void* user_data) { int* n = (int*) e; if (position & GDSL_LOCATION_FIRST_COL) { if (position & GDSL_LOCATION_FIRST_ROW) { fprintf (file, "{\n"); } fprintf (file, "\t( "); } else { fprintf (file, " "); } fprintf (file, "%02d", *n); if (position & GDSL_LOCATION_LAST_COL) { fprintf (file, " )\n"); if (position & GDSL_LOCATION_LAST_ROW) { fprintf (file, "\t}\n"); } } } int main (void) { int i, j, k = 0; gdsl_2darray_t m = gdsl_2darray_alloc ("MY ARRAY", ROWS_NB, COLS_NB, alloc_integer, free_integer); for (i = 0; i < ROWS_NB; i++) { for (j = 0; j < COLS_NB; j++) { int n = ++k; gdsl_2darray_set_content (m, i, j, (void*) &n); } } printf ("%s (%ld x %ld) = ", gdsl_2darray_get_name (m), gdsl_2darray_get_rows_number (m), gdsl_2darray_get_columns_number (m)); gdsl_2darray_write (m, my_display_integer, stdout, NULL); gdsl_2darray_write_xml (m, my_display_integer, stdout, NULL); gdsl_2darray_dump (m, my_display_integer, stdout, NULL); gdsl_2darray_free (m); exit (EXIT_SUCCESS); }