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-rw-r--r--daemon/libsensors/general.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/daemon/libsensors/general.c b/daemon/libsensors/general.c
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+/*
+ general.c - Part of libsensors, a Linux library for reading sensor data.
+ Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ 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 General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ MA 02110-1301 USA.
+*/
+
+#include "error.h"
+#include "general.h"
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+
+#define A_BUNCH 16
+
+void sensors_malloc_array(void *list, int *num_el, int *max_el, int el_size)
+{
+ void **my_list = (void **)list;
+
+ *my_list = malloc(el_size*A_BUNCH);
+ if (! *my_list)
+ sensors_fatal_error(__func__, "Allocating new elements");
+ *max_el = A_BUNCH;
+ *num_el = 0;
+}
+
+void sensors_free_array(void *list, int *num_el, int *max_el)
+{
+ void **my_list = (void **)list;
+
+ free(*my_list);
+ *my_list = NULL;
+ *num_el = 0;
+ *max_el = 0;
+}
+
+void sensors_add_array_el(const void *el, void *list, int *num_el,
+ int *max_el, int el_size)
+{
+ int new_max_el;
+ void **my_list = (void *)list;
+ if (*num_el + 1 > *max_el) {
+ new_max_el = *max_el + A_BUNCH;
+ *my_list = realloc(*my_list, new_max_el * el_size);
+ if (! *my_list)
+ sensors_fatal_error(__func__,
+ "Allocating new elements");
+ *max_el = new_max_el;
+ }
+ memcpy(((char *) *my_list) + *num_el * el_size, el, el_size);
+ (*num_el) ++;
+}
+
+void sensors_add_array_els(const void *els, int nr_els, void *list,
+ int *num_el, int *max_el, int el_size)
+{
+ int new_max_el;
+ void **my_list = (void *)list;
+ if (*num_el + nr_els > *max_el) {
+ new_max_el = (*max_el + nr_els + A_BUNCH);
+ new_max_el -= new_max_el % A_BUNCH;
+ *my_list = realloc(*my_list, new_max_el * el_size);
+ if (! *my_list)
+ sensors_fatal_error(__func__,
+ "Allocating new elements");
+ *max_el = new_max_el;
+ }
+ memcpy(((char *)*my_list) + *num_el * el_size, els, el_size * nr_els);
+ *num_el += nr_els;
+}