diff options
| -rw-r--r-- | coreutils/Config.in | 10 | ||||
| -rw-r--r-- | coreutils/cp.c | 66 | ||||
| -rw-r--r-- | testsuite/cp/cp-parents | 5 |
3 files changed, 66 insertions, 15 deletions
diff --git a/coreutils/Config.in b/coreutils/Config.in index cacfb96..64a9421 100644 --- a/coreutils/Config.in +++ b/coreutils/Config.in @@ -78,6 +78,14 @@ config CP help cp is used to copy files and directories. +config FEATURE_CP_LONG_OPTIONS + bool "Enable long options for cp" + default n + depends on CP + help + Enable long options for cp. + Also add support for --parents option. + config CUT bool "cut" default n @@ -113,7 +121,7 @@ config FEATURE_DD_SIGNAL_HANDLING default y depends on DD help - sending a SIGUSR1 signal to a running `dd' process makes it + Sending a SIGUSR1 signal to a running `dd' process makes it print to standard error the number of records read and written so far, then to resume copying. diff --git a/coreutils/cp.c b/coreutils/cp.c index 71a2939..2c0b90b 100644 --- a/coreutils/cp.c +++ b/coreutils/cp.c @@ -20,7 +20,6 @@ /* This is a NOEXEC applet. Be very careful! */ - int cp_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int cp_main(int argc, char **argv) { @@ -31,12 +30,16 @@ int cp_main(int argc, char **argv) int s_flags; int d_flags; int flags; - int status = 0; + int status; enum { OPT_a = 1 << (sizeof(FILEUTILS_CP_OPTSTR)-1), OPT_r = 1 << (sizeof(FILEUTILS_CP_OPTSTR)), OPT_P = 1 << (sizeof(FILEUTILS_CP_OPTSTR)+1), OPT_H = 1 << (sizeof(FILEUTILS_CP_OPTSTR)+2), + OPT_v = 1 << (sizeof(FILEUTILS_CP_OPTSTR)+3), +#if ENABLE_FEATURE_CP_LONG_OPTIONS + OPT_parents = 1 << (sizeof(FILEUTILS_CP_OPTSTR)+4), +#endif }; // Need at least two arguments @@ -46,6 +49,20 @@ int cp_main(int argc, char **argv) // -R (and therefore -r) turns on -d (coreutils does this) // -a = -pdR opt_complementary = "-2:l--s:s--l:Pd:rRd:Rd:apdR:HL"; +#if ENABLE_FEATURE_CP_LONG_OPTIONS + applet_long_options = + "archive\0" No_argument "a" + "force\0" No_argument "f" + "interactive\0" No_argument "i" + "link\0" No_argument "l" + "dereference\0" No_argument "L" + "no-dereference\0" No_argument "P" + "recursive\0" No_argument "R" + "symbolic-link\0" No_argument "s" + "verbose\0" No_argument "v" + "parents\0" No_argument "\xff" + ; +#endif // -v (--verbose) is ignored flags = getopt32(argv, FILEUTILS_CP_OPTSTR "arPHv"); /* Options of cp from GNU coreutils 6.10: @@ -62,8 +79,9 @@ int cp_main(int argc, char **argv) * -d same as --no-dereference --preserve=links * -p same as --preserve=mode,ownership,timestamps * -c same as --preserve=context + * --parents + * use full source file name under DIRECTORY * NOT SUPPORTED IN BBOX: - * long options are not supported (even those above). * --backup[=CONTROL] * make a backup of each existing destination file * -b like --backup but does not accept an argument @@ -73,8 +91,6 @@ int cp_main(int argc, char **argv) * preserve attributes (default: mode,ownership,timestamps), * if possible additional attributes: security context,links,all * --no-preserve=ATTR_LIST - * --parents - * use full source file name under DIRECTORY * --remove-destination * remove each existing destination file before attempting to open * --sparse=WHEN @@ -115,39 +131,61 @@ int cp_main(int argc, char **argv) } #endif + status = EXIT_SUCCESS; last = argv[argc - 1]; /* If there are only two arguments and... */ if (argc == 2) { s_flags = cp_mv_stat2(*argv, &source_stat, - (flags & FILEUTILS_DEREFERENCE) ? stat : lstat); + (flags & FILEUTILS_DEREFERENCE) ? stat : lstat); if (s_flags < 0) return EXIT_FAILURE; d_flags = cp_mv_stat(last, &dest_stat); if (d_flags < 0) return EXIT_FAILURE; - /* ...if neither is a directory or... */ - if ( !((s_flags | d_flags) & 2) || - /* ...recursing, the 1st is a directory, and the 2nd doesn't exist... */ - ((flags & FILEUTILS_RECUR) && (s_flags & 2) && !d_flags) +#if ENABLE_FEATURE_CP_LONG_OPTIONS + if (flags & OPT_parents) { + if (!(d_flags & 2)) { + bb_error_msg_and_die("with --parents, the destination must be a directory"); + } + } +#endif + + /* ...if neither is a directory... */ + if (!((s_flags | d_flags) & 2) + /* ...or: recursing, the 1st is a directory, and the 2nd doesn't exist... */ + || ((flags & FILEUTILS_RECUR) && (s_flags & 2) && !d_flags) ) { - /* ...do a simple copy. */ + /* Do a simple copy */ dest = last; goto DO_COPY; /* NB: argc==2 -> *++argv==last */ } } while (1) { +#if ENABLE_FEATURE_CP_LONG_OPTIONS + if (flags & OPT_parents) { + char *dest_dup; + char *dest_dir; + dest = concat_path_file(last, *argv); + dest_dup = xstrdup(dest); + dest_dir = dirname(dest_dup); + if (bb_make_directory(dest_dir, -1, FILEUTILS_RECUR)) { + return EXIT_FAILURE; + } + free(dest_dup); + goto DO_COPY; + } +#endif dest = concat_path_file(last, bb_get_last_path_component_strip(*argv)); DO_COPY: if (copy_file(*argv, dest, flags) < 0) { - status = 1; + status = EXIT_FAILURE; } + free((void*)dest); if (*++argv == last) { - /* possibly leaking dest... */ break; } - free((void*)dest); } /* Exit. We are NOEXEC, not NOFORK. We do exit at the end of main() */ diff --git a/testsuite/cp/cp-parents b/testsuite/cp/cp-parents new file mode 100644 index 0000000..a721cea --- /dev/null +++ b/testsuite/cp/cp-parents @@ -0,0 +1,5 @@ +mkdir -p foo/bar/baz +touch foo/bar/baz/file +mkdir dir +busybox cp --parents foo/bar/baz/file dir +test -f dir/foo/bar/baz/file |