rodata cleanup. "unable to" == "cannot". -300 bytes

coreutils/libcoreutils/cp_mv_stat.c

@@ -27,7 +27,7 @@ int cp_mv_stat2(const char *fn, struct stat *fn_stat, stat_func sf)
 {
 	if (sf(fn, fn_stat) < 0) {
 		if (errno != ENOENT) {
-			bb_perror_msg("unable to stat '%s'", fn);
+			bb_perror_msg("cannot stat '%s'", fn);
 			return -1;
 		}
 		return 0;

coreutils/mkdir.c

@@ -44,7 +44,7 @@ int mkdir_main (int argc, char **argv)
 	if(opt & 1) {
 		mode = 0777;
 		if (!bb_parse_mode (smode, &mode)) {
-			bb_error_msg_and_die ("invalid mode `%s'", smode);
+			bb_error_msg_and_die ("invalid mode '%s'", smode);
 		}
 	}
 	if(opt & 2)

coreutils/rm.c

@@ -38,7 +38,7 @@ int rm_main(int argc, char **argv)
 			const char *base = bb_get_last_path_component(*argv);
 
 			if ((base[0] == '.') && (!base[1] || ((base[1] == '.') && !base[2]))) {
-				bb_error_msg("cannot remove `.' or `..'");
+				bb_error_msg("cannot remove '.' or '..'");
 			} else if (remove_file(*argv, flags) >= 0) {
 				continue;
 			}

coreutils/rmdir.c

@@ -38,7 +38,7 @@ int rmdir_main(int argc, char **argv)
 
 		do {
 			if (rmdir(path) < 0) {
-				bb_perror_msg("`%s'", path);	/* Match gnu rmdir msg. */
+				bb_perror_msg("'%s'", path);	/* Match gnu rmdir msg. */
 				status = EXIT_FAILURE;
 			} else if (flags) {
 				/* Note: path was not empty or null since rmdir succeeded. */
@@ -46,7 +46,7 @@ int rmdir_main(int argc, char **argv)
 				/* Path is now just the parent component.  Note that dirname
 				 * returns "." if there are no parents.  We must distinguish
 				 * this from the case of the original path starting with '.'.
-		 */
+				 */
 				if (do_dot || (*path != '.') || path[1]) {
 					continue;
 				}

coreutils/stty.c

@@ -917,7 +917,7 @@ end_option:
 			new_mode.c_cflag &= (~CIBAUD);
 			if (speed_was_set || memcmp(&mode, &new_mode, sizeof(mode)) != 0)
 #endif
-				perror_on_device_and_die ("%s: unable to perform all requested operations");
+				perror_on_device_and_die("%s: cannot perform all requested operations");
 		}
 	}