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| author | Jim Meyering <jim@meyering.net> | 1994-11-01 22:38:11 +0000 |
|---|---|---|
| committer | Jim Meyering <jim@meyering.net> | 1994-11-01 22:38:11 +0000 |
| commit | 32340b45e70eeff17f153615e8f3e43712cb7ba9 (patch) | |
| tree | b86d6f6d25a9ef704606932e8d66f7c68be1a0ff | |
| parent | 7a5462a0b71b8b6bfe5f71cad341f2a149aa0535 (diff) | |
| download | coreutils-32340b45e70eeff17f153615e8f3e43712cb7ba9.tar.xz | |
(XWRITE): Guard against calling xwrite with n_bytes == 0.
| -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) |