pg: fix write_all() usage

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/text-utils/pg.c b/text-utils/pg.c
index b03af34a2ad7a7e2f92c3faac9fab06c21fc42f3..84bb9fb2ac7b60f87d4b4a7375e348d7a8a83171 100644 (file)
--- a/text-utils/pg.c
+++ b/text-utils/pg.c
@@ -275,7 +275,7 @@ static int
 outcap(int i)
 {
        char c = i;
-       return write_all(1, &c, 1);
+       return write_all(1, &c, 1) == 0 ? 1 : -1;
 }
 
 /*