| #!/bin/bash |
| # Copyright 2017 The Fuchsia Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| fx-truncate() { |
| local -r file="$1" |
| local -r size="$2" |
| touch "${file}" |
| |
| if [[ -z "${size}" ]]; then |
| echo >&2 "fx-truncate: size \"${size}\" not given" |
| return 1 |
| fi |
| |
| case $(uname) in |
| Darwin) |
| mkfile -n "${size}" "${file}" |
| ;; |
| Linux) |
| truncate -s "${size}" "${file}" |
| ;; |
| *) |
| head -c "${size}" /dev/zero > "${file}" |
| ;; |
| esac |
| return $? |
| } |
| |
| fx-need-mtools() { |
| for tool in "mmd" "mcopy"; do |
| if ! which "${tool}" >&1 > /dev/null; then |
| echo >&2 "Tool \"${tool}\" not found. You may need to install GNU mtools" |
| return 1 |
| fi |
| done |
| } |
