vmstat: getopt*() returns -1 when done, not EOF.

Luckily, EOF is usually -1, but this is not guaranteed by the standard.

diff --git a/vmstat.c b/vmstat.c
index f2aa2f46af7c1c0bc102f6baf6083dc42d7dbe0b..6eca2c452cf6cc6a94aa4af70a4cee36a3a73c2c 100644 (file)
--- a/vmstat.c
+++ b/vmstat.c
@@ -878,7 +878,7 @@ int main(int argc, char *argv[])
 
        while ((c =
                getopt_long(argc, argv, "afmnsdDp:S:wthV", longopts,
-                           NULL)) != EOF)
+                           NULL)) != -1)
                switch (c) {
                case 'V':
                        printf(PROCPS_NG_VERSION);