Add 'const' to immutable arrays.

1 files changed, 11 insertions, 11 deletions

diff --git a/lib/md5.c b/lib/md5.c
index 1847c3cd1..7e9c3e9eb 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -25,7 +25,7 @@
 
 #ifndef CURL_DISABLE_CRYPTO_AUTH
 
-#ifndef USE_SSLEAY
+#if !defined(USE_SSLEAY) || !defined(USE_OPENSSL)
 /* This code segment is only used if OpenSSL is not provided, as if it is
    we use the MD5-function provided there instead. No good duplicating
    code! */
@@ -67,7 +67,7 @@ struct md5_ctx {
 typedef struct md5_ctx MD5_CTX;
 
 static void MD5_Init(struct md5_ctx *);
-static void MD5_Update(struct md5_ctx *, unsigned char *, unsigned int);
+static void MD5_Update(struct md5_ctx *, const unsigned char *, unsigned int);
 static void MD5_Final(unsigned char [16], struct md5_ctx *);
 
 /* Constants for MD5Transform routine.
@@ -90,11 +90,11 @@ static void MD5_Final(unsigned char [16], struct md5_ctx *);
 #define S43 15
 #define S44 21
 
-static void MD5Transform(UINT4 [4], unsigned char [64]);
+static void MD5Transform(UINT4 [4], const unsigned char [64]);
 static void Encode(unsigned char *, UINT4 *, unsigned int);
-static void Decode(UINT4 *, unsigned char *, unsigned int);
+static void Decode(UINT4 *, const unsigned char *, unsigned int);
 
-static unsigned char PADDING[64] = {
+static const 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
@@ -151,9 +151,9 @@ static void MD5_Init(struct md5_ctx *context)
   operation, processing another message block, and updating the
   context.
  */
-static void MD5_Update (struct md5_ctx *context, /* context */
-                        unsigned char *input, /* input block */
-                        unsigned int inputLen)/* length of input block */
+static void MD5_Update (struct md5_ctx *context,    /* context */
+                        const unsigned char *input, /* input block */
+                        unsigned int inputLen)      /* length of input block */
 {
   unsigned int i, bufindex, partLen;
 
@@ -214,7 +214,7 @@ static void MD5_Final(unsigned char digest[16], /* message digest */
 
 /* MD5 basic transformation. Transforms state based on block. */
 static void MD5Transform(UINT4 state[4],
-                         unsigned char block[64])
+                         const unsigned char block[64])
 {
   UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
 
@@ -322,7 +322,7 @@ static void Encode (unsigned char *output,
    a multiple of 4.
 */
 static void Decode (UINT4 *output,
-                    unsigned char *input,
+                    const unsigned char *input,
                     unsigned int len)
 {
   unsigned int i, j;
@@ -341,7 +341,7 @@ static void Decode (UINT4 *output,
 #include "md5.h"
 
 void Curl_md5it(unsigned char *outbuffer, /* 16 bytes */
-                unsigned char *input)
+                const unsigned char *input)
 {
   MD5_CTX ctx;
   MD5_Init(&ctx);