READ_BUF_SIZE → sizeof read_buf

* src/fileio.c (Finsert_file_contents): Minor refactoring.
This should help future patches which distinguish read_buf’s size
from other uses of READ_BUF_SIZE which may change.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/fileio.c b/src/fileio.c
index 7aa2113454b..4c3bc5787cf 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -4616,11 +4616,11 @@ by calling `format-decode', which see.  */)
 
       while (true)
         {
-          /* Read at most READ_BUF_SIZE bytes at a time, to allow
+          /* Read one buffer a time, to allow
              quitting while reading a huge file.  */
 
           this = emacs_fd_read (fd, read_buf + unprocessed,
-                                READ_BUF_SIZE - unprocessed);
+                                sizeof read_buf - unprocessed);
           if (this <= 0)
             break;