1 files changed, 44 insertions, 0 deletions
diff --git a/mem.c b/mem.c
new file mode 100644
index 0000000..216ec2b
--- /dev/null
+++ b/mem.c
@@ -0,0 +1,44 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "common.h"
+#include "mem.h"
+
+/*******************************************************************************
+*
+*  Allocate number of bytes of memory equal to "block".
+*
+*******************************************************************************/
+
+void *mem_alloc (unsigned long block, char *item)
+{
+
+  void *ptr;
+
+  ptr = (void *) malloc (block);
+
+  if (ptr != NULL) {
+    memset (ptr, 0, block);
+  } else {
+    fprintf (stderr, "Unable to allocate %s\n", item);
+    exit (0);
+  }
+  return (ptr);
+}
+
+
+/****************************************************************************
+*
+*  Free memory pointed to by "*ptr_addr".
+*
+*****************************************************************************/
+
+void mem_free (void **ptr_addr)
+{
+
+  if (*ptr_addr != NULL) {
+    free (*ptr_addr);
+    *ptr_addr = NULL;
+  }
+
+}