-/*
-** Copyright (C) 2006- Sami Kerola <kerolasa@iki.fi>
-**
-** This program is free software; you can redistribute it and/or modify
+/* http://dhcpd-pools.sourceforge.net/
+** Copyright 2006- Sami Kerola <kerolasa@iki.fi>
+**
+** This program 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 2 of the License, or
+** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
-**
+**
** This program 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 this program; if not, write to the Free Software
-** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+** along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
void *safe_malloc(const size_t size)
{
void *ret = malloc(size);
-
if (ret == NULL) {
err(EXIT_FAILURE,
"safe_malloc: cannot allocate %lu bytes: ", size);
return ret;
}
+/* Simple memory reallocation wrapper */
+void *safe_realloc(void *ptr, const size_t size)
+{
+ void *ret = realloc(ptr, size);
+
+ if (!ret && size)
+ err(EXIT_FAILURE,
+ "safe_realloc: cannot allocate %zu bytes", size);
+ return ret;
+}
+
+/* Simple strdup wrapper */
+char *safe_strdup(const char *str)
+{
+ char *ret = strdup(str);
+
+ if (!ret && str)
+ err(EXIT_FAILURE, "cannot duplicate string");
+ return ret;
+}
+
void flip_ranges(struct range_t *ranges, struct range_t *tmp_ranges)
{
unsigned int i = num_ranges - 1, j;
/* Free memory, flush buffers etc */
void clean_up(void)
{
- int ret;
- if (errno) {
- warn("clean_up: errno (%d) set but not checked in correct place.\nif this is repeatable send strace output as a bug report", errno);
- }
+ unsigned int i;
+
/* Just in case there something in buffers */
- ret = fflush(stdout);
- if (errno || ret) {
- warn("clean_up: stdout");
+ if (fflush(NULL)) {
+ warn("clean_up: fflush");
}
- ret = fflush(stderr);
- if (errno || ret) {
- warn("clean_up: stderr");
+ num_shared_networks++;
+ for (i = 0; i < num_shared_networks; i++) {
+ free((shared_networks + i)->name);
}
free(config.dhcpdconf_file);
free(config.dhcpdlease_file);
free(config.output_file);
free(ranges);
- free(shared_net_names);
+ free(leases);
+ free(touches);
free(shared_networks);
}
"This is free software: you are free to change and redistribute it.\n");
fprintf(stdout,
"There is NO WARRANTY, to the extent permitted by law.\n");
+ exit(EXIT_SUCCESS);
}
void usage(int status)