Changed RRSet serialization & deserializtion APIs (int -> size_t).

Refs #976 @15m

src/dnslib/zone-dump.c

@@ -1317,7 +1317,7 @@ static crc_t dnslib_dump_crc; /*!< \brief Global CRC variable. */
  * \brief Stream used in serialization - rdata, dname and rrset dump.
  */
 static uint8_t *dnslib_dump_stream = NULL;
-static int dnslib_dump_stream_size = 0;
+static size_t dnslib_dump_stream_size = 0;
 
 static inline int fwrite_to_file_crc(const void *src,
                                      size_t size, size_t n, FILE *fp)
@@ -1979,7 +1979,7 @@ int dnslib_zdump_binary(dnslib_zone_t *zone, const char *filename,
 }
 
 int dnslib_zdump_rrset_serialize(const dnslib_rrset_t *rrset, uint8_t **stream,
-                                 int *size)
+                                 size_t *size)
 {
 	/*!< \todo LOCK? might not be thread safe. Probably isn't! */
 	fwrite_wrapper = fwrite_to_stream;

src/dnslib/zone-dump.h

@@ -51,7 +51,7 @@ int dnslib_zdump_binary(dnslib_zone_t *zone, const char *filename,
  * \retval DNSLIB_ENOMEM on memory error.
  */
 int dnslib_zdump_rrset_serialize(const dnslib_rrset_t *rrset, uint8_t **stream,
-                                 int *size);
+                                 size_t *size);
 
 #endif /* _DNSLIB_ZONEDUMP_H_ */
 

src/dnslib/zone-load.c

@@ -67,13 +67,13 @@ static inline int fread_safe_from_file(void *dst,
 }
 
 static uint8_t *dnslib_zload_stream = NULL;
-static int dnslib_zload_stream_remaining = 0;
-static int dnslib_zload_stream_size = 0;
+static size_t dnslib_zload_stream_remaining = 0;
+static size_t dnslib_zload_stream_size = 0;
 
 static inline int read_from_stream(void *dst,
                                    size_t size, size_t n, FILE *fp)
 {
-	if (dnslib_zload_stream_remaining - (size * n) < 0) {
+	if (dnslib_zload_stream_remaining < (size * n)) {
 		return 0;
 	}
 
@@ -1056,7 +1056,7 @@ void dnslib_zload_close(zloader_t *loader)
 	free(loader);
 }
 
-dnslib_rrset_t *dnslib_zload_rrset_deserialize(uint8_t *stream, int *size)
+dnslib_rrset_t *dnslib_zload_rrset_deserialize(uint8_t *stream, size_t *size)
 {
 	if (stream == NULL || size == 0) {
 		return NULL;

src/dnslib/zone-load.h

@@ -77,7 +77,7 @@ void dnslib_zload_close(zloader_t *loader);
  *
  * \return Loaded RRSet on success, NULL otherwise.
  */
-dnslib_rrset_t *dnslib_zload_rrset_deserialize(uint8_t *stream, int *size);
+dnslib_rrset_t *dnslib_zload_rrset_deserialize(uint8_t *stream, size_t *size);
 
 #endif /* _KNOT_ZONELOAD_H_ */