cvs update

add freezero

2 files changed, 31 insertions, 0 deletions

diff --git a/src/liboutils/freezero.c b/src/liboutils/freezero.c
new file mode 100644
index 0000000..cda032f
--- /dev/null
+++ b/src/liboutils/freezero.c
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2017 Nicholas Marriott <nicholas.marriott@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+void
+freezero(void *ptr, size_t size)
+{
+	if (ptr != NULL) {
+		memset(ptr, 0, size);
+		free(ptr);
+	}
+}
diff --git a/src/liboutils/outils.h b/src/liboutils/outils.h
index 7686d60..1e628ed 100644
--- a/src/liboutils/outils.h
+++ b/src/liboutils/outils.h
@@ -38,3 +38,5 @@ void *reallocarray(void *, size_t, size_t);
 int pledge(const char *, const char **);
 void explicit_bzero(void *buf, size_t len);
 int getentropy(void *buf, size_t len);
+void freezero(void *ptr, size_t size);
+