Fix some compiler warnings emitted by gcc-4.8.0

[oweals/busybox.git] / util-linux / swaponoff.c

diff --git a/util-linux/swaponoff.c b/util-linux/swaponoff.c
index b3057b3095b938575470ea3adb68d714a46cf5a6..afad4ab8fd9a36ae3ac90150ea35f4928167cfeb 100644 (file)
--- a/util-linux/swaponoff.c
+++ b/util-linux/swaponoff.c
@@ -24,7 +24,6 @@
 
 #include "libbb.h"
 #include <mntent.h>
-#include <sys/swap.h>
 #ifndef __BIONIC__
 # include <sys/swap.h>
 #endif
@@ -96,6 +95,20 @@ static int do_em_all(void)
                        if (applet_name[5] != 'n'
                         || hasmntopt(m, MNTOPT_NOAUTO) == NULL
                        ) {
+#if ENABLE_FEATURE_SWAPON_PRI
+                               char *p;
+                               g_flags = 0; /* each swap space might have different flags */
+                               p = strstr(m->mnt_opts, "pri=");
+                               if (p) {
+                                       /* Max allowed 32767 (==SWAP_FLAG_PRIO_MASK) */
+                                       int swap_prio = MIN(bb_strtoull(p + 4 , NULL, 10), SWAP_FLAG_PRIO_MASK);
+                                       /* We want to allow "NNNN,foo", thus errno == EINVAL is allowed too */
+                                       if (errno != ERANGE) {
+                                               g_flags = SWAP_FLAG_PREFER |
+                                                       (swap_prio << SWAP_FLAG_PRIO_SHIFT);
+                                       }
+                               }
+#endif
                                err += swap_enable_disable(m->mnt_fsname);
                        }
                }