diff options
-rw-r--r-- | src/tail.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/tail.c b/src/tail.c index 138f93a0c..7fccd9e3a 100644 --- a/src/tail.c +++ b/src/tail.c @@ -62,7 +62,7 @@ { \ assert ((fd) == 1); \ assert ((n_bytes) >= 0); \ - if (fwrite ((buffer), 1, (n_bytes), stdout) == 0) \ + if (n_bytes > 0 && fwrite ((buffer), 1, (n_bytes), stdout) == 0) \ error (1, errno, "write error"); \ } \ while (0) |