(XWRITE): Guard against calling xwrite with n_bytes == 0.

2026-08-17 17:08:20 +02:00 · 1994-11-01 22:38:11 +00:00
parent 7a5462a0b7
commit 32340b45e7
1 changed files with 1 additions and 1 deletions
@@ -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)