Use size_t for _nettle_write functions.

nettle-write.h

@@ -34,14 +34,14 @@
 
 /* FIXME: Use a macro shortcut to memcpy for native endianness. */
 void
-_nettle_write_be32(unsigned length, uint8_t *dst,
+_nettle_write_be32(size_t length, uint8_t *dst,
 		   uint32_t *src);
 void
-_nettle_write_le32(unsigned length, uint8_t *dst,
+_nettle_write_le32(size_t length, uint8_t *dst,
 		   uint32_t *src);
 
 void
-_nettle_write_le64(unsigned length, uint8_t *dst,
+_nettle_write_le64(size_t length, uint8_t *dst,
 		   uint64_t *src);
 
 #endif /* NETTLE_WRITE_H_INCLUDED */

write-be32.c

@@ -31,11 +31,11 @@
 #include "macros.h"
 
 void
-_nettle_write_be32(unsigned length, uint8_t *dst,
+_nettle_write_be32(size_t length, uint8_t *dst,
 		   uint32_t *src)
 {
-  unsigned i;
-  unsigned words;
+  size_t i;
+  size_t words;
   unsigned leftover;
   
   words = length / 4;

write-le32.c

@@ -31,11 +31,11 @@
 #include "macros.h"
 
 void
-_nettle_write_le32(unsigned length, uint8_t *dst,
+_nettle_write_le32(size_t length, uint8_t *dst,
 		   uint32_t *src)
 {
-  unsigned i;
-  unsigned words;
+  size_t i;
+  size_t words;
   unsigned leftover;
   
   words = length / 4;

write-le64.c

@@ -29,11 +29,11 @@
 #include "macros.h"
 
 void
-_nettle_write_le64(unsigned length, uint8_t *dst,
+_nettle_write_le64(size_t length, uint8_t *dst,
 		   uint64_t *src)
 {
-  unsigned i;
-  unsigned words;
+  size_t i;
+  size_t words;
   unsigned leftover;
   
   words = length / 8;