--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libtomcrypt/tests/common.c	Fri Feb 09 21:44:05 2018 +0800
@@ -0,0 +1,68 @@
+/* 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 "common.h"
+
+/**
+  @file common.c
+
+  Steffen Jaeckel
+*/
+
+void run_cmd(int res, int line, const char *file, const char *cmd, const char *algorithm)
+{
+   if (res != CRYPT_OK) {
+      fprintf(stderr, "%s (%d)%s%s\n%s:%d:%s\n",
+              error_to_string(res), res,
+              (algorithm ? " - " : ""), (algorithm ? algorithm : ""),
+              file, line, cmd);
+      if (res != CRYPT_NOP) {
+         exit(EXIT_FAILURE);
+      }
+   }
+}
+
+void print_hex(const char* what, const void* v, const unsigned long l)
+{
+  const unsigned char* p = v;
+  unsigned long x, y = 0, z;
+  fprintf(stderr, "%s contents: \n", what);
+  for (x = 0; x < l; ) {
+      fprintf(stderr, "%02X ", p[x]);
+      if (!(++x % 16) || x == l) {
+         if((x % 16) != 0) {
+            z = 16 - (x % 16);
+            if(z >= 8)
+               fprintf(stderr, " ");
+            for (; z != 0; --z) {
+               fprintf(stderr, "   ");
+            }
+         }
+         fprintf(stderr, " | ");
+         for(; y < x; y++) {
+            if((y % 8) == 0)
+               fprintf(stderr, " ");
+            if(isgraph(p[y]))
+               fprintf(stderr, "%c", p[y]);
+            else
+               fprintf(stderr, ".");
+         }
+         fprintf(stderr, "\n");
+      }
+      else if((x % 8) == 0) {
+         fprintf(stderr, " ");
+      }
+  }
+}
+
+prng_state yarrow_prng;
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */