commit files needed for zpm-fetchurl

[zpackage] / libtomcrypt / src / misc / zeromem.c

diff --git a/libtomcrypt/src/misc/zeromem.c b/libtomcrypt/src/misc/zeromem.c
new file mode 100644 (file)
index 0000000..1a3b8ed
--- /dev/null
+++ b/libtomcrypt/src/misc/zeromem.c
@@ -0,0 +1,32 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ */
+#include "tomcrypt.h"
+
+/**
+   @file zeromem.c
+   Zero a block of memory, Tom St Denis
+*/
+
+/**
+   Zero a block of memory
+   @param out    The destination of the area to zero
+   @param outlen The length of the area to zero (octets)
+*/
+void zeromem(volatile void *out, size_t outlen)
+{
+   volatile char *mem = out;
+   LTC_ARGCHKVD(out != NULL);
+   while (outlen-- > 0) {
+      *mem++ = '\0';
+   }
+}
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */