diff options
Diffstat (limited to 'df.c')
| -rw-r--r-- | df.c | 10 |
1 files changed, 6 insertions, 4 deletions
@@ -2,7 +2,7 @@ /* * Mini df implementation for busybox * - * Copyright (C) 1999 by Lineo, inc. + * Copyright (C) 1999,2000 by Lineo, inc. * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org> * based on original code by (I think) Bruce Perens <bruce@pixar.com>. * @@ -28,9 +28,8 @@ #include <sys/stat.h> #include <sys/vfs.h> -static const char df_usage[] = "df [filesystem ...]\n" - - "\n" "\tPrint the filesystem space used and space available.\n"; +static const char df_usage[] = "df [filesystem ...]\n\n" + "Print the filesystem space used and space available.\n"; extern const char mtab_file[]; /* Defined in utility.c */ @@ -76,6 +75,9 @@ extern int df_main(int argc, char **argv) struct mntent *mountEntry; int status; + if (**(argv + 1) == '-') { + usage(df_usage); + } while (argc > 1) { if ((mountEntry = findMountPoint(argv[1], mtab_file)) == 0) { fprintf(stderr, "%s: can't find mount point.\n", argv[1]); |