From 67c95b1b614ef619d495d9af954f67639239b17d Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Thu, 15 Jan 2015 02:04:14 +0100
Subject: [PATCH] (hash.c) Some cleanups/documentation

---
 hash.c | 23 +++++++++++++----------
 hash.h | 10 ++++++++--
 2 files changed, 21 insertions(+), 12 deletions(-)

diff --git a/hash.c b/hash.c
index dcb8aea807..b84bcc7b3d 100644
--- a/hash.c
+++ b/hash.c
@@ -155,6 +155,14 @@ static void sha256_subhash(struct sha256_ctx *p, uint32_t *t)
       store32be(t++, p->h[i]);
 }
 
+/** 
+ * sha256_hash:
+ * @out               : Output.
+ * @in                : Input.
+ * @size              : Size of @out.
+ *
+ * Hashes SHA256 and outputs a human readable string.
+ **/
 void sha256_hash(char *out, const uint8_t *in, size_t size)
 {
    unsigned i;
@@ -399,23 +407,18 @@ static void SHA1PadMessage(SHA1Context *context)
     *  block, process it, and then continue padding into a second
     *  block.
     */
+   context->Message_Block[context->Message_Block_Index++] = 0x80;
+
    if (context->Message_Block_Index > 55)
    {
-      context->Message_Block[context->Message_Block_Index++] = 0x80;
       while(context->Message_Block_Index < 64)
          context->Message_Block[context->Message_Block_Index++] = 0;
 
       SHA1ProcessMessageBlock(context);
+   }
 
-      while(context->Message_Block_Index < 56)
-         context->Message_Block[context->Message_Block_Index++] = 0;
-   }
-   else
-   {
-      context->Message_Block[context->Message_Block_Index++] = 0x80;
-      while(context->Message_Block_Index < 56)
-         context->Message_Block[context->Message_Block_Index++] = 0;
-   }
+   while(context->Message_Block_Index < 56)
+      context->Message_Block[context->Message_Block_Index++] = 0;
 
    /*  Store the message length as the last 8 octets */
    context->Message_Block[56] = (context->Length_High >> 24) & 0xFF;
diff --git a/hash.h b/hash.h
index 943198713b..49b5363064 100644
--- a/hash.h
+++ b/hash.h
@@ -48,8 +48,14 @@
 #include "config.h"
 #endif
 
-/* Hashes sha256 and outputs a human readable string
- * for comparing with the cheat XML values. */
+/** 
+ * sha256_hash:
+ * @out               : Output.
+ * @in                : Input.
+ * @size              : Size of @out.
+ *
+ * Hashes SHA256 and outputs a human readable string.
+ **/
 void sha256_hash(char *out, const uint8_t *in, size_t size);
 
 #ifdef HAVE_ZLIB