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| author | Denis Vlasenko | 2006-09-27 14:51:27 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2006-09-27 14:51:27 +0000 |
| commit | 956a5693603be076a7a2b0bacc22eea4a3b93cbe (patch) | |
| tree | c0554cf92ffc22ad9bfea1b36aa7fffc1dcc298e /util-linux/losetup.c | |
| parent | 0bb628f4f3fbd0fc0a96d257830fcbbb14db2bd1 (diff) | |
| download | busybox-956a5693603be076a7a2b0bacc22eea4a3b93cbe.zip busybox-956a5693603be076a7a2b0bacc22eea4a3b93cbe.tar.gz | |
losetup: with no arguments lists all /dev/loopN. Corrected help text.
(patch by Vladimir Dronnikov <dronnikov@gmail.ru>)
Diffstat (limited to 'util-linux/losetup.c')
| -rw-r--r-- | util-linux/losetup.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/util-linux/losetup.c b/util-linux/losetup.c index af0b03a..6b9a810 100644 --- a/util-linux/losetup.c +++ b/util-linux/losetup.c @@ -22,7 +22,8 @@ int losetup_main(int argc, char **argv) argc -= optind; argv += optind; - if (opt == 0x3) bb_show_usage(); // -d and -o (illegal) + if (opt == 0x3) // -d + -o (illegal) + bb_show_usage(); if (opt == 0x1) { // -d /* detach takes exactly one argument */ @@ -46,7 +47,18 @@ int losetup_main(int argc, char **argv) if (!s) bb_perror_nomsg_and_die(); printf("%s: %s\n", argv[0], s); if (ENABLE_FEATURE_CLEAN_UP) free(s); - } else - bb_show_usage(); + } else { + char dev[11] = "/dev/loop0"; + char c; + for (c = '0'; c <= '9'; ++c) { + char *s; + dev[9] = c; + s = query_loop(dev); + if (s) { + printf("%s: %s\n", dev, s); + if (ENABLE_FEATURE_CLEAN_UP) free(s); + } + } + } return EXIT_SUCCESS; } |