[hackers] [ubase] Don't list dummy rootfs by default || sin

[git]

commit ee88227c33bae40f5488c1d61969eed1e668186b
Author: sin <s...@2f30.org>
Date:   Tue Mar 18 16:19:56 2014 +0200

    Don't list dummy rootfs by default

diff --git a/df.c b/df.c
index dc3411f..299c297 100644
--- a/df.c
+++ b/df.c
@@ -2,6 +2,7 @@
 #include <mntent.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <sys/statvfs.h>
 #include "util.h"
 
@@ -18,9 +19,11 @@ main(int argc, char *argv[])
 {
        struct mntent *me = NULL;
        FILE *fp;
+       int aflag = 0;
 
        ARGBEGIN {
        case 'a':
+               aflag = 1;
                break;
        case 's':
        case 'h':
@@ -35,8 +38,12 @@ main(int argc, char *argv[])
        fp = setmntent("/proc/mounts", "r");
        if (!fp)
                eprintf("setmntent %s:", "/proc/mounts");
-       while ((me = getmntent(fp)) != NULL)
+       while ((me = getmntent(fp)) != NULL) {
+               if (aflag == 0)
+                       if (strcmp(me->mnt_type, "rootfs") == 0)
+                               continue;
                mnt_show(me->mnt_fsname, me->mnt_dir);
+       }
        endmntent(fp);
 
        return EXIT_SUCCESS;