MINOR: ncbuf: adjust ncb_data with NCBUF_NULL
Replace ncb_blk_is_null() by ncb_is_null() as a prelude to ncb_data().
The result is the same : the function will return 0 if the buffer is
uninitialized. However, it is clearer to directly call ncb_is_null() to
reflect this.
There is no functional change with this commit.
diff --git a/src/ncbuf.c b/src/ncbuf.c
index d0ced6d..1944cfe 100644
--- a/src/ncbuf.c
+++ b/src/ncbuf.c
@@ -494,12 +494,15 @@
*/
ncb_sz_t ncb_data(const struct ncbuf *buf, ncb_sz_t off)
{
- struct ncb_blk blk = ncb_blk_find(buf, off);
- ncb_sz_t off_blk = ncb_blk_off(blk, off);
+ struct ncb_blk blk;
+ ncb_sz_t off_blk;
- if (ncb_blk_is_null(blk))
+ if (ncb_is_null(buf))
return 0;
+ blk = ncb_blk_find(buf, off);
+ off_blk = ncb_blk_off(blk, off);
+
/* if <off> at the frontier between two and <blk> is gap, retrieve the
* next data block.
*/