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losetup: Add partition scanning option

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Add -P option from util-linux losetup to scan for partitions.

function                                             old     new   delta
losetup_main                                         449     482     +33
packed_usage                                       33264   33292     +28
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 61/0)               Total: 61 bytes

Signed-off-by: Jack O'Sullivan <jackos1998@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Jack O'Sullivan
2019-05-28 15:28:27 +01:00
committed by Denys Vlasenko
parent bcb1fc3e6c
commit 726cbb1be8
2 changed files with 18 additions and 10 deletions
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1
include/libbb.h
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@ -1471,6 +1471,7 @@ extern int set_loop(char **devname, const char *file, unsigned long long offset,
/* These constants match linux/loop.h (without BB_ prefix): */
#define BB_LO_FLAGS_READ_ONLY 1
#define BB_LO_FLAGS_AUTOCLEAR 4
#define BB_LO_FLAGS_PARTSCAN 8
/* Returns malloced str */
char *bb_ask_noecho(int fd, int timeout, const char *prompt) FAST_FUNC;