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losetup: assorted fixes. Closes 6314

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"losetup -d" was not complaining that LOOPDEV is missing.
"losetup -a" was listing only up to /dev/loop9.
"losetup -f" looped forever if llop0 was taken, and never tried
anything after /dev/loop9.
"-o" with other options (say, -r) had no effect.

function                                             old     new   delta
losetup_main                                         376     419     +43

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2013-06-27 03:45:16 +02:00
parent 879f008a8f
commit 4928e9f7d0
2 changed files with 23 additions and 18 deletions
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4
include/libbb.h
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@ -1803,7 +1803,7 @@ extern const char bb_default_login_shell[] ALIGN1;
# define VC_4 "/dev/vc/4"
# define VC_5 "/dev/vc/5"
# define VC_FORMAT "/dev/vc/%d"
# define LOOP_FORMAT "/dev/loop/%d"
# define LOOP_FORMAT "/dev/loop/%u"
# define LOOP_NAMESIZE (sizeof("/dev/loop/") + sizeof(int)*3 + 1)
# define LOOP_NAME "/dev/loop/"
# define FB_0 "/dev/fb/0"
@ -1816,7 +1816,7 @@ extern const char bb_default_login_shell[] ALIGN1;
# define VC_4 "/dev/tty4"
# define VC_5 "/dev/tty5"
# define VC_FORMAT "/dev/tty%d"
# define LOOP_FORMAT "/dev/loop%d"
# define LOOP_FORMAT "/dev/loop%u"
# define LOOP_NAMESIZE (sizeof("/dev/loop") + sizeof(int)*3 + 1)
# define LOOP_NAME "/dev/loop"
# define FB_0 "/dev/fb0"