Guido said include these in the Great ANSI-fication, so here they are!

2 files changed, 216 insertions, 259 deletions

diff --git a/Modules/md5.h b/Modules/md5.h
index 1ba82b3..12b3aa3 100644
--- a/Modules/md5.h
+++ b/Modules/md5.h
@@ -27,18 +27,6 @@ documentation and/or software.
 /* GLOBAL.H - RSAREF types and constants
  */
 
-/* PROTOTYPES should be set to one if and only if the compiler supports
-  function argument prototyping.
-The following makes PROTOTYPES default to 0 if it has not already
-  been defined with C compiler flags.
- */
-#ifdef HAVE_PROTOTYPES
-#define PROTOTYPES 1
-#endif
-#ifndef PROTOTYPES
-#define PROTOTYPES 0
-#endif
-
 /* POINTER defines a generic pointer type */
 typedef unsigned char *POINTER;
 
@@ -62,22 +50,13 @@ typedef unsigned long int UINT4;
 /* Too bad if neither is */
 #endif
 
-/* PROTO_LIST is defined depending on how PROTOTYPES is defined above.
-If using PROTOTYPES, then PROTO_LIST returns the list, otherwise it
-  returns an empty list.
- */
-#if PROTOTYPES
-#define PROTO_LIST(list) list
-#else
-#define PROTO_LIST(list) ()
-#endif
 /* ========== End global.h; continue md5.h ========== */
 
 /* MD5 context. */
 typedef struct {
-  UINT4 state[4];                                   /* state (ABCD) */
-  UINT4 count[2];        /* number of bits, modulo 2^64 (lsb first) */
-  unsigned char buffer[64];                         /* input buffer */
+    UINT4 state[4];                                   /* state (ABCD) */
+    UINT4 count[2];        /* number of bits, modulo 2^64 (lsb first) */
+    unsigned char buffer[64];                         /* input buffer */
 } MD5_CTX;
 
 /* Rename all exported symbols to avoid conflicts with similarly named
@@ -87,7 +66,6 @@ typedef struct {
 #define MD5Update _Py_MD5Update
 #define MD5Final _Py_MD5Final
 
-void MD5Init PROTO_LIST ((MD5_CTX *));
-void MD5Update PROTO_LIST
-  ((MD5_CTX *, unsigned char *, unsigned int));
-void MD5Final PROTO_LIST ((unsigned char [16], MD5_CTX *));
+void MD5Init(MD5_CTX *);
+void MD5Update(MD5_CTX *, unsigned char *, unsigned int);
+void MD5Final(unsigned char [16], MD5_CTX *);
diff --git a/Modules/md5c.c b/Modules/md5c.c
index 81036eb..e747725 100644
--- a/Modules/md5c.c
+++ b/Modules/md5c.c
@@ -26,8 +26,7 @@ documentation and/or software.
 #include "config.h"
 #include "md5.h"
 
-/* Constants for MD5Transform routine.
- */
+/* Constants for MD5Transform routine. */
 
 #define S11 7
 #define S12 12
@@ -46,290 +45,270 @@ documentation and/or software.
 #define S43 15
 #define S44 21
 
-static void MD5Transform PROTO_LIST ((UINT4 [4], unsigned char [64]));
-static void Encode PROTO_LIST
-  ((unsigned char *, UINT4 *, unsigned int));
-static void Decode PROTO_LIST
-  ((UINT4 *, unsigned char *, unsigned int));
-static void MD5_memcpy PROTO_LIST ((POINTER, POINTER, unsigned int));
-static void MD5_memset PROTO_LIST ((POINTER, int, unsigned int));
+static void MD5Transform(UINT4[4], unsigned char[64]);
+static void Encode(unsigned char *, UINT4 *, unsigned int);
+static void Decode(UINT4 *, unsigned char *, unsigned int);
+static void MD5_memcpy(POINTER, POINTER, unsigned int);
+static void MD5_memset(POINTER, int, unsigned int);
 
 static unsigned char PADDING[64] = {
-  0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+    0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
 };
 
-/* F, G, H and I are basic MD5 functions.
- */
+/* F, G, H and I are basic MD5 functions. */
 #define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
 #define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
 #define H(x, y, z) ((x) ^ (y) ^ (z))
 #define I(x, y, z) ((y) ^ ((x) | (~z)))
 
-/* ROTATE_LEFT rotates x left n bits.
- */
+/* ROTATE_LEFT rotates x left n bits. */
 #define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
 
 /* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
-Rotation is separate from addition to prevent recomputation.
+   Rotation is separate from addition to prevent recomputation.
  */
 #define FF(a, b, c, d, x, s, ac) { \
- (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
-  }
+     (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
+     (a) = ROTATE_LEFT ((a), (s)); \
+     (a) += (b); \
+    }
 #define GG(a, b, c, d, x, s, ac) { \
- (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
-  }
+     (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
+     (a) = ROTATE_LEFT ((a), (s)); \
+     (a) += (b); \
+    }
 #define HH(a, b, c, d, x, s, ac) { \
- (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
-  }
+     (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
+     (a) = ROTATE_LEFT ((a), (s)); \
+     (a) += (b); \
+    }
 #define II(a, b, c, d, x, s, ac) { \
- (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
-  }
+     (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
+     (a) = ROTATE_LEFT ((a), (s)); \
+     (a) += (b); \
+    }
 
-/* MD5 initialization. Begins an MD5 operation, writing a new context.
- */
-void MD5Init (context)
-MD5_CTX *context;                                        /* context */
+
+/* MD5 initialization. Begins an MD5 operation, writing a new context. */
+void
+MD5Init(MD5_CTX *context)
 {
-  context->count[0] = context->count[1] = 0;
-  /* Load magic initialization constants.
-*/
-  context->state[0] = 0x67452301;
-  context->state[1] = 0xefcdab89;
-  context->state[2] = 0x98badcfe;
-  context->state[3] = 0x10325476;
+    context->count[0] = context->count[1] = 0;
+    /* Load magic initialization constants. */
+    context->state[0] = 0x67452301;
+    context->state[1] = 0xefcdab89;
+    context->state[2] = 0x98badcfe;
+    context->state[3] = 0x10325476;
 }
 
+
 /* MD5 block update operation. Continues an MD5 message-digest
-  operation, processing another message block, and updating the
-  context.
+   operation, processing another message block, and updating the
+   context.
  */
-void MD5Update (context, input, inputLen)
-MD5_CTX *context;                                        /* context */
-unsigned char *input;                                /* input block */
-unsigned int inputLen;                     /* length of input block */
+void
+MD5Update(MD5_CTX *context, unsigned char *input, unsigned int inputLen)
 {
-  unsigned int i, index, partLen;
-
-  /* Compute number of bytes mod 64 */
-  index = (unsigned int)((context->count[0] >> 3) & 0x3F);
-
-  /* Update number of bits */
-  if ((context->count[0] += ((UINT4)inputLen << 3))
-   < ((UINT4)inputLen << 3))
- context->count[1]++;
-  context->count[1] += ((UINT4)inputLen >> 29);
-
-  partLen = 64 - index;
-
-  /* Transform as many times as possible.
-*/
-  if (inputLen >= partLen) {
- MD5_memcpy
-   ((POINTER)&context->buffer[index], (POINTER)input, partLen);
- MD5Transform (context->state, context->buffer);
-
- for (i = partLen; i + 63 < inputLen; i += 64)
-   MD5Transform (context->state, &input[i]);
-
- index = 0;
-  }
-  else
- i = 0;
-
-  /* Buffer remaining input */
-  MD5_memcpy
- ((POINTER)&context->buffer[index], (POINTER)&input[i],
-  inputLen-i);
+    unsigned int i, index, partLen;
+
+    /* Compute number of bytes mod 64 */
+    index = (unsigned int)((context->count[0] >> 3) & 0x3F);
+
+    /* Update number of bits */
+    if ((context->count[0] += ((UINT4)inputLen << 3))
+        < ((UINT4)inputLen << 3))
+        context->count[1]++;
+    context->count[1] += ((UINT4)inputLen >> 29);
+
+    partLen = 64 - index;
+
+    /* Transform as many times as possible. */
+    if (inputLen >= partLen) {
+        MD5_memcpy((POINTER)&context->buffer[index], (POINTER)input, partLen);
+        MD5Transform(context->state, context->buffer);
+
+        for (i = partLen; i + 63 < inputLen; i += 64)
+            MD5Transform(context->state, &input[i]);
+
+        index = 0;
+    }
+    else
+        i = 0;
+
+    /* Buffer remaining input */
+    MD5_memcpy((POINTER)&context->buffer[index],
+               (POINTER)&input[i], inputLen-i);
 }
 
 /* MD5 finalization. Ends an MD5 message-digest operation, writing the
-  the message digest and zeroizing the context.
+   the message digest and zeroizing the context.
  */
-void MD5Final (digest, context)
-unsigned char digest[16];                         /* message digest */
-MD5_CTX *context;                                       /* context */
+void
+MD5Final(unsigned char digest[16], MD5_CTX *context)
 {
-  unsigned char bits[8];
-  unsigned int index, padLen;
+    unsigned char bits[8];
+    unsigned int index, padLen;
 
-  /* Save number of bits */
-  Encode (bits, context->count, 8);
+    /* Save number of bits */
+    Encode (bits, context->count, 8);
 
-  /* Pad out to 56 mod 64.
-*/
-  index = (unsigned int)((context->count[0] >> 3) & 0x3f);
-  padLen = (index < 56) ? (56 - index) : (120 - index);
-  MD5Update (context, PADDING, padLen);
+    /* Pad out to 56 mod 64. */
+    index = (unsigned int)((context->count[0] >> 3) & 0x3f);
+    padLen = (index < 56) ? (56 - index) : (120 - index);
+    MD5Update(context, PADDING, padLen);
 
-  /* Append length (before padding) */
-  MD5Update (context, bits, 8);
+    /* Append length (before padding) */
+    MD5Update(context, bits, 8);
 
-  /* Store state in digest */
-  Encode (digest, context->state, 16);
+    /* Store state in digest */
+    Encode(digest, context->state, 16);
 
-  /* Zeroize sensitive information.
-*/
-  MD5_memset ((POINTER)context, 0, sizeof (*context));
+    /* Zeroize sensitive information. */
+    MD5_memset((POINTER)context, 0, sizeof (*context));
 }
 
-/* MD5 basic transformation. Transforms state based on block.
- */
-static void MD5Transform (state, block)
-UINT4 state[4];
-unsigned char block[64];
+
+/* MD5 basic transformation. Transforms state based on block. */
+static void
+MD5Transform(UINT4 state[4], unsigned char block[64])
 {
-  UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
-
-  Decode (x, block, 64);
-
-  /* Round 1 */
-  FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
-  FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
-  FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
-  FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
-  FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
-  FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
-  FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
-  FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
-  FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
-  FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
-  FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
-  FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
-  FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
-  FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
-  FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
-  FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
-
- /* Round 2 */
-  GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
-  GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
-  GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
-  GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
-  GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
-  GG (d, a, b, c, x[10], S22,  0x2441453); /* 22 */
-  GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
-  GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
-  GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
-  GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
-  GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
-  GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
-  GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
-  GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
-  GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
-  GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
-
-  /* Round 3 */
-  HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
-  HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
-  HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
-  HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
-  HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
-  HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
-  HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
-  HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
-  HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
-  HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
-  HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
-  HH (b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
-  HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
-  HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
-  HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
-  HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
-
-  /* Round 4 */
-  II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
-  II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
-  II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
-  II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
-  II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
-  II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
-  II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
-  II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
-  II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
-  II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
-  II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
-  II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
-  II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
-  II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
-  II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
-  II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
-
-  state[0] += a;
-  state[1] += b;
-  state[2] += c;
-  state[3] += d;
-
-  /* Zeroize sensitive information.
-*/
-  MD5_memset ((POINTER)x, 0, sizeof (x));
+    UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
+
+    Decode (x, block, 64);
+
+    /* Round 1 */
+    FF(a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
+    FF(d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
+    FF(c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
+    FF(b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
+    FF(a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
+    FF(d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
+    FF(c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
+    FF(b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
+    FF(a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
+    FF(d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
+    FF(c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
+    FF(b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
+    FF(a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
+    FF(d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
+    FF(c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
+    FF(b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
+
+    /* Round 2 */
+    GG(a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
+    GG(d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
+    GG(c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
+    GG(b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
+    GG(a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
+    GG(d, a, b, c, x[10], S22,  0x2441453); /* 22 */
+    GG(c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
+    GG(b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
+    GG(a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
+    GG(d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
+    GG(c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
+    GG(b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
+    GG(a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
+    GG(d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
+    GG(c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
+    GG(b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
+
+    /* Round 3 */
+    HH(a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
+    HH(d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
+    HH(c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
+    HH(b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
+    HH(a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
+    HH(d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
+    HH(c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
+    HH(b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
+    HH(a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
+    HH(d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
+    HH(c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
+    HH(b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
+    HH(a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
+    HH(d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
+    HH(c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
+    HH(b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
+
+    /* Round 4 */
+    II(a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
+    II(d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
+    II(c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
+    II(b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
+    II(a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
+    II(d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
+    II(c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
+    II(b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
+    II(a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
+    II(d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
+    II(c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
+    II(b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
+    II(a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
+    II(d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
+    II(c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
+    II(b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
+
+    state[0] += a;
+    state[1] += b;
+    state[2] += c;
+    state[3] += d;
+
+    /* Zeroize sensitive information. */
+    MD5_memset((POINTER)x, 0, sizeof (x));
 }
 
+
 /* Encodes input (UINT4) into output (unsigned char). Assumes len is
-  a multiple of 4.
+   a multiple of 4.
  */
-static void Encode (output, input, len)
-unsigned char *output;
-UINT4 *input;
-unsigned int len;
+static void
+Encode(unsigned char *output, UINT4 *input, unsigned int len)
 {
-  unsigned int i, j;
-
-  for (i = 0, j = 0; j < len; i++, j += 4) {
- output[j] = (unsigned char)(input[i] & 0xff);
- output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
- output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
- output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
-  }
+    unsigned int i, j;
+
+    for (i = 0, j = 0; j < len; i++, j += 4) {
+        output[j] = (unsigned char)(input[i] & 0xff);
+        output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
+        output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
+        output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
+    }
 }
 
+
 /* Decodes input (unsigned char) into output (UINT4). Assumes len is
-  a multiple of 4.
+   a multiple of 4.
  */
-static void Decode (output, input, len)
-UINT4 *output;
-unsigned char *input;
-unsigned int len;
+static void
+Decode(UINT4 *output, unsigned char *input, unsigned int len)
 {
-  unsigned int i, j;
+    unsigned int i, j;
 
-  for (i = 0, j = 0; j < len; i++, j += 4)
- output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
-   (((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
+    for (i = 0, j = 0; j < len; i++, j += 4) {
+        output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
+            (((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
+    }
 }
 
-/* Note: Replace "for loop" with standard memcpy if possible.
- */
 
-static void MD5_memcpy (output, input, len)
-POINTER output;
-POINTER input;
-unsigned int len;
+/* Note: Replace "for loop" with standard memcpy if possible. */
+static void
+MD5_memcpy(POINTER output, POINTER input, unsigned int len)
 {
-  unsigned int i;
+    unsigned int i;
 
-  for (i = 0; i < len; i++)
- output[i] = input[i];
+    for (i = 0; i < len; i++)
+        output[i] = input[i];
 }
 
-/* Note: Replace "for loop" with standard memset if possible.
- */
-static void MD5_memset (output, value, len)
-POINTER output;
-int value;
-unsigned int len;
+
+/* Note: Replace "for loop" with standard memset if possible. */
+static void
+MD5_memset(POINTER output, int value, unsigned int len)
 {
-  unsigned int i;
+    unsigned int i;
 
-  for (i = 0; i < len; i++)
- ((char *)output)[i] = (char)value;
+    for (i = 0; i < len; i++)
+        ((char *)output)[i] = (char)value;
 }