more better for me signed<->unsigned and the const keyword usage
diff --git a/coreutils/uudecode.c b/coreutils/uudecode.c
index 60bf7d8..5823afd 100644
--- a/coreutils/uudecode.c
+++ b/coreutils/uudecode.c
@@ -52,13 +52,13 @@
 
 		line_ptr++;
 		/* Tolerate an overly long line to acomadate a possible exta '`' */
-		if (strlen(line_ptr) < length) {
+		if (strlen(line_ptr) < (size_t)length) {
 			bb_error_msg_and_die("Short file");
 		}
 
 		while (length > 0) {
 			/* Merge four 6 bit chars to three 8 bit chars */
-		    fputc(((line_ptr[0] - 0x20) & 077) << 2 | ((line_ptr[1] - 0x20) & 077) >> 4, dst_stream);
+			fputc(((line_ptr[0] - 0x20) & 077) << 2 | ((line_ptr[1] - 0x20) & 077) >> 4, dst_stream);
 			line_ptr++;
 			length--;
 			if (length == 0) {
@@ -83,7 +83,7 @@
 
 static int read_base64(FILE *src_stream, FILE *dst_stream)
 {
-	const char *base64_table =
+	static const char base64_table[] =
 		"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n";
 	char term_count = 0;
 
diff --git a/coreutils/uuencode.c b/coreutils/uuencode.c
index ee07b08..d45565c 100644
--- a/coreutils/uuencode.c
+++ b/coreutils/uuencode.c
@@ -58,10 +58,10 @@
  * buffer of at least 1+BASE64_LENGTH(length) bytes.
  * where BASE64_LENGTH(len) = (4 * ((LENGTH + 2) / 3))
  */
-static void uuencode (const unsigned char *s, const char *store, const int length, const char *tbl)
+static void uuencode (const unsigned char *s, char *store, const int length, const char *tbl)
 {
 	int i;
-	unsigned char *p = (unsigned char *)store;
+	char *p = store;
 
 	/* Transform the 3x8 bits to 4x6 bits, as required by base64.  */
 	for (i = 0; i < length; i += 3) {
@@ -86,9 +86,9 @@
 #define DST_BUF_SIZE    4 * ((SRC_BUF_SIZE + 2) / 3)
 int uuencode_main(int argc, char **argv)
 {
-	const int src_buf_size = SRC_BUF_SIZE;
-	const int dst_buf_size = DST_BUF_SIZE;
-	int write_size = dst_buf_size;
+	const size_t src_buf_size = SRC_BUF_SIZE;
+	const size_t dst_buf_size = DST_BUF_SIZE;
+	size_t write_size = dst_buf_size;
 	struct stat stat_buf;
 	FILE *src_stream = stdin;
 	const char *tbl;