kill off gcc signed warnings

libcrypt/md5.c

@@ -94,12 +94,19 @@ static void   __md5_Final (unsigned char [16], struct MD5Context *);
 static void __md5_Transform __P((u_int32_t [4], const unsigned char [64]));
 
 
-static const char __md5__magic[] = "$1$";	/* This string is magic for this algorithm.  Having 
+static const unsigned char __md5__magic[] = "$1$";	/* This string is magic for this algorithm.  Having 
 						   it this way, we can get better later on */
 static const unsigned char __md5_itoa64[] =		/* 0 ... 63 => ascii - 64 */
 	"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 
 
+/* shut up gcc-4.x signed warnings */
+#define strcpy(dst,src) strcpy((char*)dst,(char*)src)
+#define strlen(s) strlen((char*)s)
+#define strncat(dst,src,n) strncat((char*)dst,(char*)src,n)
+#define strncmp(s1,s2,n) strncmp((char*)s1,(char*)s2,n)
+
+
 
 #ifdef i386
 #define __md5_Encode memcpy
@@ -531,11 +538,11 @@ static void __md5_to64( char *s, unsigned long v, int n)
  * Use MD5 for what it is best at...
  */
 
-char * __md5_crypt( const char *pw, const char *salt) attribute_hidden;
-char * __md5_crypt( const char *pw, const char *salt)
+char * __md5_crypt( const unsigned char *pw, const unsigned char *salt) attribute_hidden;
+char * __md5_crypt( const unsigned char *pw, const unsigned char *salt)
 {
 	/* Static stuff */
-	static const char *sp, *ep;
+	static const unsigned char *sp, *ep;
 	static char passwd[120], *p;
 
 	unsigned char	final[17];	/* final[16] exists only to aid in looping */