X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/7d4064fb2ca678359a6fa29a30a00c08fa75e70a..b09c5f34a0b1e9dec95e0f4955735e752293b223:/src/src/functions.h

diff --git a/src/src/functions.h b/src/src/functions.h
index 35f8b6c83..eca8e798d 100644
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -937,7 +937,7 @@ static uschar buf[sizeof("0.000s")];
 if (diff->tv_sec >= 5 || !LOGGING(millisec))
   return readconf_printtime((int)diff->tv_sec);
 
-sprintf(CS buf, "%u.%03us", (uint)diff->tv_sec, (uint)diff->tv_usec/1000);
+snprintf(CS buf, sizeof(buf), "%u.%03us", (uint)diff->tv_sec, (uint)diff->tv_usec/1000);
 return buf;
 }