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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2008-04-27 22:06:24 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2008-04-27 22:06:24 +0000
commitc0431ed455a601ddbfcd9f30d6397d4e9145cf54 (patch)
tree7eade59699338d065827751d37e72e45d2b4440b /coreutils
parent4809a9f78eecc7346e5d73b7f60ae6c51e057632 (diff)
downloadbusybox-c0431ed455a601ddbfcd9f30d6397d4e9145cf54.tar.gz
busybox-c0431ed455a601ddbfcd9f30d6397d4e9145cf54.tar.bz2
cp: fix "cp -RL" to create regular files even if src is a symlink
Diffstat (limited to 'coreutils')
-rw-r--r--coreutils/cp.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/coreutils/cp.c b/coreutils/cp.c
index a4eea9498..40d3625b3 100644
--- a/coreutils/cp.c
+++ b/coreutils/cp.c
@@ -37,25 +37,27 @@ int cp_main(int argc, char **argv)
OPT_r = 1 << (sizeof(FILEUTILS_CP_OPTSTR)),
OPT_P = 1 << (sizeof(FILEUTILS_CP_OPTSTR)+1),
OPT_H = 1 << (sizeof(FILEUTILS_CP_OPTSTR)+2),
- OPT_L = 1 << (sizeof(FILEUTILS_CP_OPTSTR)+3),
};
// Need at least two arguments
- // Soft- and hardlinking don't mix
+ // Soft- and hardlinking doesn't mix
// -P and -d are the same (-P is POSIX, -d is GNU)
// -r and -R are the same
// -R (and therefore -r) turns on -d (coreutils does this)
// -a = -pdR
- opt_complementary = "-2:l--s:s--l:Pd:rRd:Rd:apdR";
- flags = getopt32(argv, FILEUTILS_CP_OPTSTR "arPHL");
+ opt_complementary = "-2:l--s:s--l:Pd:rRd:Rd:apdR:HL";
+ flags = getopt32(argv, FILEUTILS_CP_OPTSTR "arPH");
argc -= optind;
argv += optind;
- flags ^= FILEUTILS_DEREFERENCE; /* The sense of this flag was reversed. */
- /* Default behavior of cp is to dereference, so we don't have to do
- * anything special when we are given -L.
- * The behavior of -H is *almost* like -L, but not quite, so let's
- * just ignore it too for fun.
- if (flags & OPT_L) ...
+ flags ^= FILEUTILS_DEREFERENCE; /* the sense of this flag was reversed */
+ /* coreutils 6.9 compat:
+ * by default, "cp" derefs symlinks (creates regular dest files),
+ * but "cp -R" does not. We switch off deref if -r or -R (see above).
+ * However, "cp -RL" must still deref symlinks: */
+ if (flags & FILEUTILS_DEREF_SOFTLINK) /* -L */
+ flags |= FILEUTILS_DEREFERENCE;
+ /* The behavior of -H is *almost* like -L, but not quite, so let's
+ * just ignore it too for fun. TODO.
if (flags & OPT_H) ... // deref command-line params only
*/