/* vi: set sw=4 ts=4: */ /* * Mini mv implementation for busybox * * Copyright (C) 2000 by Matt Kraai <kraai@alumni.carnegiemellon.edu> * * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org) * * Size reduction and improved error checking. */ #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> #include <dirent.h> #include <errno.h> #include <stdlib.h> #include <getopt.h> /* struct option */ #include "busybox.h" #include "libcoreutils/coreutils.h" #if ENABLE_FEATURE_MV_LONG_OPTIONS static const struct option mv_long_options[] = { { "interactive", 0, NULL, 'i' }, { "force", 0, NULL, 'f' }, { 0, 0, 0, 0 } }; #endif #define OPT_FILEUTILS_FORCE 1 #define OPT_FILEUTILS_INTERACTIVE 2 static const char fmt[] = "cannot overwrite %sdirectory with %sdirectory"; int mv_main(int argc, char **argv) { struct stat dest_stat; const char *last; const char *dest; unsigned long flags; int dest_exists; int status = 0; #if ENABLE_FEATURE_MV_LONG_OPTIONS bb_applet_long_options = mv_long_options; #endif bb_opt_complementally = "f-i:i-f"; flags = bb_getopt_ulflags(argc, argv, "fi"); if (optind + 2 > argc) { bb_show_usage(); } last = argv[argc - 1]; argv += optind; if (optind + 2 == argc) { if ((dest_exists = cp_mv_stat(last, &dest_stat)) < 0) { return 1; } if (!(dest_exists & 2)) { dest = last; goto DO_MOVE; } } do { dest = concat_path_file(last, bb_get_last_path_component(*argv)); if ((dest_exists = cp_mv_stat(dest, &dest_stat)) < 0) { goto RET_1; } DO_MOVE: if (dest_exists && !(flags & OPT_FILEUTILS_FORCE) && ((access(dest, W_OK) < 0 && isatty(0)) || (flags & OPT_FILEUTILS_INTERACTIVE))) { if (fprintf(stderr, "mv: overwrite `%s'? ", dest) < 0) { goto RET_1; /* Ouch! fprintf failed! */ } if (!bb_ask_confirmation()) { goto RET_0; } } if (rename(*argv, dest) < 0) { struct stat source_stat; int source_exists; if (errno != EXDEV || (source_exists = cp_mv_stat(*argv, &source_stat)) < 1) { bb_perror_msg("unable to rename `%s'", *argv); } else { if (dest_exists) { if (dest_exists == 3) { if (source_exists != 3) { bb_error_msg(fmt, "", "non-"); goto RET_1; } } else { if (source_exists == 3) { bb_error_msg(fmt, "non-", ""); goto RET_1; } } if (unlink(dest) < 0) { bb_perror_msg("cannot remove `%s'", dest); goto RET_1; } } if ((copy_file(*argv, dest, FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS) >= 0) && (remove_file(*argv, FILEUTILS_RECUR | FILEUTILS_FORCE) >= 0)) { goto RET_0; } } RET_1: status = 1; } RET_0: if (dest != last) { free((void *) dest); } } while (*++argv != last); return (status); }