X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fsrc%2Flog.c;h=0ba4e638bda782c041d7aa5350c1b0b15bdc8e6e;hb=1365611d62f130d0a096b322656b5b790628d2c7;hp=75285c136728930dbd13b2a11f9231f951d60999;hpb=bbaa92096a0720af1625982d024befac65d5909e;p=exim.git

diff --git a/src/src/log.c b/src/src/log.c
index 75285c136..0ba4e638b 100644
--- a/src/src/log.c
+++ b/src/src/log.c
@@ -528,11 +528,11 @@ Returns:
   length actually written, persisting an errno from write()
 */
 ssize_t
-write_to_fd_buf(int fd, uschar *buf, size_t length)
+write_to_fd_buf(int fd, const uschar *buf, size_t length)
 {
 ssize_t wrote;
 size_t total_written = 0;
-uschar *p = buf;
+const uschar *p = buf;
 size_t left = length;
 
 while (1)