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cp: implement -t DIR

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function                                             old     new   delta
packed_usage                                       33713   33734     +21
.rodata                                           103670  103672      +2
cp_main                                              506     500      -6
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(add/remove: 0/0 grow/shrink: 2/1 up/down: 23/-6)              Total: 17 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2021-06-21 19:35:33 +02:00
parent 1de709fda2
commit 0ec52d438a
2 changed files with 82 additions and 65 deletions
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17
include/libbb.h
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@ -460,13 +460,18 @@ enum { /* cp.c, mv.c, install.c depend on these values. CAREFUL when changing th
FILEUTILS_VERBOSE = (1 << 12) * ENABLE_FEATURE_VERBOSE, /* -v */
FILEUTILS_UPDATE = 1 << 13, /* -u */
FILEUTILS_NO_TARGET_DIR = 1 << 14, /* -T */
FILEUTILS_TARGET_DIR = 1 << 15, /* -t DIR */
#if ENABLE_SELINUX
FILEUTILS_PRESERVE_SECURITY_CONTEXT = 1 << 15, /* -c */
FILEUTILS_PRESERVE_SECURITY_CONTEXT = 1 << 16, /* -c */
#endif
FILEUTILS_RMDEST = 1 << (16 - !ENABLE_SELINUX), /* --remove-destination */
/* bit 17 skipped for "cp --parents" */
FILEUTILS_REFLINK = 1 << (18 - !ENABLE_SELINUX), /* cp --reflink=auto */
FILEUTILS_REFLINK_ALWAYS = 1 << (19 - !ENABLE_SELINUX), /* cp --reflink[=always] */
#define FILEUTILS_CP_OPTSTR "pdRfilsLHarPvuTt:" IF_SELINUX("c")
/* How many bits in FILEUTILS_CP_OPTSTR? */
FILEUTILS_CP_OPTNUM = 17 - !ENABLE_SELINUX,
FILEUTILS_RMDEST = 1 << (17 - !ENABLE_SELINUX), /* --remove-destination */
/* bit 18 skipped for "cp --parents" */
FILEUTILS_REFLINK = 1 << (19 - !ENABLE_SELINUX), /* cp --reflink=auto */
FILEUTILS_REFLINK_ALWAYS = 1 << (20 - !ENABLE_SELINUX), /* cp --reflink[=always] */
/*
* Hole. cp may have some bits set here,
* they should not affect remove_file()/copy_file()
@ -476,7 +481,7 @@ enum { /* cp.c, mv.c, install.c depend on these values. CAREFUL when changing th
#endif
FILEUTILS_IGNORE_CHMOD_ERR = 1 << 31,
};
#define FILEUTILS_CP_OPTSTR "pdRfilsLHarPvuT" IF_SELINUX("c")
extern int remove_file(const char *path, int flags) FAST_FUNC;
/* NB: without FILEUTILS_RECUR in flags, it will basically "cat"
* the source, not copy (unless "source" is a directory).