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-rw-r--r--memory.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/memory.c b/memory.c
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--- /dev/null
+++ b/memory.c
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+/*
+ chronyd/chronyc - Programs for keeping computer clocks accurate.
+
+ **********************************************************************
+ * Copyright (C) Miroslav Lichvar 2014, 2017
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ **********************************************************************
+
+ =======================================================================
+
+ Utility functions for memory allocation.
+
+ */
+
+#include "config.h"
+
+#include "logging.h"
+#include "memory.h"
+
+void *
+Malloc(size_t size)
+{
+ void *r;
+
+ r = malloc(size);
+ if (!r && size)
+ LOG_FATAL("Could not allocate memory");
+
+ return r;
+}
+
+void *
+Realloc(void *ptr, size_t size)
+{
+ void *r;
+
+ if (size == 0) {
+ Free(ptr);
+ return NULL;
+ }
+
+ r = realloc(ptr, size);
+ if (!r)
+ LOG_FATAL("Could not allocate memory");
+
+ return r;
+}
+
+static size_t
+get_array_size(size_t nmemb, size_t size)
+{
+ size_t array_size;
+
+ array_size = nmemb * size;
+
+ /* Check for overflow */
+ if (nmemb > 0 && array_size / nmemb != size)
+ LOG_FATAL("Could not allocate memory");
+
+ return array_size;
+}
+
+void *
+Malloc2(size_t nmemb, size_t size)
+{
+ return Malloc(get_array_size(nmemb, size));
+}
+
+void *
+Realloc2(void *ptr, size_t nmemb, size_t size)
+{
+ return Realloc(ptr, get_array_size(nmemb, size));
+}
+
+char *
+Strdup(const char *s)
+{
+ void *r;
+
+ r = strdup(s);
+ if (!r)
+ LOG_FATAL("Could not allocate memory");
+
+ return r;
+}