1f08c3bdfSopenharmony_ci#!/bin/sh 2f08c3bdfSopenharmony_ci 3f08c3bdfSopenharmony_ci################################################################################ 4f08c3bdfSopenharmony_ci## ## 5f08c3bdfSopenharmony_ci## Copyright (c) International Business Machines Corp., 2005 ## 6f08c3bdfSopenharmony_ci## ## 7f08c3bdfSopenharmony_ci## This program is free software; you can redistribute it and#or modify ## 8f08c3bdfSopenharmony_ci## it under the terms of the GNU General Public License as published by ## 9f08c3bdfSopenharmony_ci## the Free Software Foundation; either version 2 of the License, or ## 10f08c3bdfSopenharmony_ci## (at your option) any later version. ## 11f08c3bdfSopenharmony_ci## ## 12f08c3bdfSopenharmony_ci## This program is distributed in the hope that it will be useful, but ## 13f08c3bdfSopenharmony_ci## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ## 14f08c3bdfSopenharmony_ci## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ## 15f08c3bdfSopenharmony_ci## for more details. ## 16f08c3bdfSopenharmony_ci## ## 17f08c3bdfSopenharmony_ci## You should have received a copy of the GNU General Public License ## 18f08c3bdfSopenharmony_ci## along with this program; if not, write to the Free Software ## 19f08c3bdfSopenharmony_ci## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ## 20f08c3bdfSopenharmony_ci## ## 21f08c3bdfSopenharmony_ci## ## 22f08c3bdfSopenharmony_ci################################################################################ 23f08c3bdfSopenharmony_ci# 24f08c3bdfSopenharmony_ci# File: 25f08c3bdfSopenharmony_ci# create_file 26f08c3bdfSopenharmony_ci# 27f08c3bdfSopenharmony_ci# Description: 28f08c3bdfSopenharmony_ci# Create a file in the specified size 29f08c3bdfSopenharmony_ci# 30f08c3bdfSopenharmony_ci# Arguments: 31f08c3bdfSopenharmony_ci# $1: filename 32f08c3bdfSopenharmony_ci# $2: filesize 33f08c3bdfSopenharmony_ci# 34f08c3bdfSopenharmony_ci# Returns: 35f08c3bdfSopenharmony_ci# 0: Success 36f08c3bdfSopenharmony_ci# 1: Fail 37f08c3bdfSopenharmony_ci# 38f08c3bdfSopenharmony_ci# Author: 39f08c3bdfSopenharmony_ci# Mitsuru Chinen <mitch@jp.ibm.com> 40f08c3bdfSopenharmony_ci# 41f08c3bdfSopenharmony_ci# History: 42f08c3bdfSopenharmony_ci# Oct 19 2005 - Created (Mitsuru Chinen) 43f08c3bdfSopenharmony_ci# 44f08c3bdfSopenharmony_ci#----------------------------------------------------------------------- 45f08c3bdfSopenharmony_ci#Uncomment line below for debug output. 46f08c3bdfSopenharmony_ci#trace_logic=${trace_logic:-"set -x"} 47f08c3bdfSopenharmony_ci$trace_logic 48f08c3bdfSopenharmony_ci 49f08c3bdfSopenharmony_ci# Check argument 50f08c3bdfSopenharmony_ciif [ $# -ne 2 ] ; then 51f08c3bdfSopenharmony_ci echo "Usage: create_file filename filesize" >&2 52f08c3bdfSopenharmony_ci exit 1 53f08c3bdfSopenharmony_cifi 54f08c3bdfSopenharmony_cifilename=$1 55f08c3bdfSopenharmony_cifilesize=$2 56f08c3bdfSopenharmony_ci 57f08c3bdfSopenharmony_ciif [ $filesize -le 0 ]; then 58f08c3bdfSopenharmony_ci echo "The filesize should be bigger than 0" >&2 59f08c3bdfSopenharmony_ci exit 1 60f08c3bdfSopenharmony_cifi 61f08c3bdfSopenharmony_ci 62f08c3bdfSopenharmony_ciecho -n "A" > $filename 2>/dev/null 63f08c3bdfSopenharmony_ciecho -n "Z" | dd of=$filename bs=1 seek=`expr $filesize - 1` >/dev/null 2>&1 64f08c3bdfSopenharmony_ciif [ $? -ne 0 ]; then 65f08c3bdfSopenharmony_ci echo "Failed to create $filename" >&2 66f08c3bdfSopenharmony_ci exit 1 67f08c3bdfSopenharmony_cifi 68f08c3bdfSopenharmony_cichmod 644 $filename 69f08c3bdfSopenharmony_ci 70f08c3bdfSopenharmony_ciexit 0 71