Fix dprintf()

1 files changed, 1 insertions, 1 deletions

diff --git a/dprintf.c b/dprintf.c
index 4bbff79..7858253 100644
--- a/dprintf.c
+++ b/dprintf.c
@@ -14,7 +14,7 @@ dprintf(int fd, const char *fmt, ...)
 
 	va_start(ap, fmt);
 	r = vsnprintf(buf, sizeof(buf), fmt, ap);
-	if (r > 0)
+	if (r > 0 && r < sizeof(buf))
 		write(fd, buf, r);
 	va_end(ap);
 	return r;