Fix more warnings (unused var, pointer types in md5.c)

- Use const void* in instead of unsigned char* in MD5_Update
   (same as in the openssl api, to avoid signed/unsigned char* warnings)
 - Add const to some pointers in md5.c


git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2165 152afb58-edef-0310-8abb-c4023f1b3aa9

src/connections.c

@@ -300,6 +300,8 @@ static int connection_handle_read_ssl(server *srv, connection *con) {
 
 	return 0;
 #else
+	UNUSED(srv);
+	UNUSED(con);
 	return -1;
 #endif
 }

src/md5.c

@@ -52,9 +52,9 @@ documentation and/or software.
 #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);
 
 #ifdef HAVE_MEMCPY
 #define MD5_memcpy(output, input, len) memcpy((output), (input), (len))
@@ -126,12 +126,13 @@ MD5_CTX *context;                                        /* context */
   operation, processing another message block, and updating the
   context.
  */
-void MD5_Update (context, input, inputLen)
+void MD5_Update (context, _input, inputLen)
 MD5_CTX *context;                                        /* context */
-unsigned char *input;                                /* input block */
+const void *_input;                                /* input block */
 unsigned int inputLen;                     /* length of input block */
 {
   unsigned int i, ndx, partLen;
+  const unsigned char *input = (const unsigned char*) _input;
 
   /* Compute number of bytes mod 64 */
   ndx = (unsigned int)((context->count[0] >> 3) & 0x3F);
@@ -200,7 +201,7 @@ MD5_CTX *context;                                       /* context */
  */
 static void MD5Transform (state, block)
 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];
 
@@ -313,7 +314,7 @@ unsigned int len;
  */
 static void Decode (output, input, len)
 UINT4 *output;
-unsigned char *input;
+const unsigned char *input;
 unsigned int len;
 {
   unsigned int i, j;

src/md5.h

@@ -42,6 +42,6 @@ typedef struct {
 } MD5_CTX;
 
 void MD5_Init (MD5_CTX *);
-void MD5_Update (MD5_CTX *, unsigned char *, unsigned int);
+void MD5_Update (MD5_CTX *, const void *, unsigned int);
 void MD5_Final (unsigned char [16], MD5_CTX *);
 

src/mod_webdav.c

@@ -570,6 +570,8 @@ static int webdav_delete_file(server *srv, connection *con, plugin_data *p, phys
 				/* */
 			}
 		}
+#else
+		UNUSED(p),
 #endif
 	}
 
@@ -730,6 +732,8 @@ static int webdav_copy_file(server *srv, connection *con, plugin_data *p, physic
 			}
 		}
 	}
+#else
+	UNUSED(p);
 #endif
 	return status;
 }