mksparkive.sh revision 1.2.2.2 1 1.2.2.2 jmc #!/bin/sh
2 1.2.2.2 jmc #
3 1.2.2.2 jmc # Copyright (c) 2004 The NetBSD Foundation, Inc.
4 1.2.2.2 jmc # All rights reserved.
5 1.2.2.2 jmc #
6 1.2.2.2 jmc # This code is derived from software contributed to The NetBSD Foundation
7 1.2.2.2 jmc # by Gavan Fantom
8 1.2.2.2 jmc #
9 1.2.2.2 jmc # Redistribution and use in source and binary forms, with or without
10 1.2.2.2 jmc # modification, are permitted provided that the following conditions
11 1.2.2.2 jmc # are met:
12 1.2.2.2 jmc # 1. Redistributions of source code must retain the above copyright
13 1.2.2.2 jmc # notice, this list of conditions and the following disclaimer.
14 1.2.2.2 jmc # 2. Redistributions in binary form must reproduce the above copyright
15 1.2.2.2 jmc # notice, this list of conditions and the following disclaimer in the
16 1.2.2.2 jmc # documentation and/or other materials provided with the distribution.
17 1.2.2.2 jmc # 3. All advertising materials mentioning features or use of this software
18 1.2.2.2 jmc # must display the following acknowledgement:
19 1.2.2.2 jmc # This product includes software developed by the NetBSD
20 1.2.2.2 jmc # Foundation, Inc. and its contributors.
21 1.2.2.2 jmc # 4. Neither the name of The NetBSD Foundation nor the names of its
22 1.2.2.2 jmc # contributors may be used to endorse or promote products derived
23 1.2.2.2 jmc # from this software without specific prior written permission.
24 1.2.2.2 jmc #
25 1.2.2.2 jmc # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26 1.2.2.2 jmc # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 1.2.2.2 jmc # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 1.2.2.2 jmc # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29 1.2.2.2 jmc # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 1.2.2.2 jmc # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 1.2.2.2 jmc # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 1.2.2.2 jmc # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 1.2.2.2 jmc # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 1.2.2.2 jmc # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 1.2.2.2 jmc # POSSIBILITY OF SUCH DAMAGE.
36 1.2.2.2 jmc #
37 1.2.2.2 jmc
38 1.2.2.2 jmc #
39 1.2.2.2 jmc # Creates an uncompressed spark format archive. Some metadata is included,
40 1.2.2.2 jmc # notably filetypes, but CRC calculations and permissions are not. Filename
41 1.2.2.2 jmc # translation is performed according to RISC OS conventions.
42 1.2.2.2 jmc #
43 1.2.2.2 jmc # This script is intended to provide sufficient functionality to create
44 1.2.2.2 jmc # an archive for distribution of the NetBSD/acorn32 bootloader which can be
45 1.2.2.2 jmc # used directly in RISC OS.
46 1.2.2.2 jmc #
47 1.2.2.2 jmc
48 1.2.2.2 jmc # Target byte order is little endian.
49 1.2.2.2 jmc
50 1.2.2.2 jmc print2()
51 1.2.2.2 jmc {
52 1.2.2.2 jmc lowbyte=`expr $1 % 256 | xargs printf %02x`
53 1.2.2.2 jmc highbyte=`expr $1 / 256 | xargs printf %02x`
54 1.2.2.2 jmc printf "\x$lowbyte\x$highbyte"
55 1.2.2.2 jmc }
56 1.2.2.2 jmc
57 1.2.2.2 jmc print4()
58 1.2.2.2 jmc {
59 1.2.2.2 jmc print2 `expr $1 % 65536`
60 1.2.2.2 jmc print2 `expr $1 / 65536`
61 1.2.2.2 jmc }
62 1.2.2.2 jmc
63 1.2.2.2 jmc makeheader()
64 1.2.2.2 jmc {
65 1.2.2.2 jmc filename="$1"
66 1.2.2.2 jmc statfilename="$2"
67 1.2.2.2 jmc realfilename="$3"
68 1.2.2.2 jmc filetype=`printf %03s "$4"`
69 1.2.2.2 jmc length=`wc -c "$filename"`
70 1.2.2.2 jmc eval `stat -s "$statfilename"`
71 1.2.2.2 jmc # centiseconds since 1st Jan 1900
72 1.2.2.2 jmc timestamp=`expr $st_mtime \* 100 + 220898880000`
73 1.2.2.2 jmc lowtype=`echo "$filetype" | sed s/.//`
74 1.2.2.2 jmc hightype=`echo "$filetype" | sed s/..\$//`
75 1.2.2.2 jmc highdate=`expr $timestamp / 4294967296 | xargs printf %02x`
76 1.2.2.2 jmc lowdate=`expr $timestamp % 4294967296`
77 1.2.2.2 jmc
78 1.2.2.2 jmc # Header version number
79 1.2.2.2 jmc printf \\x82
80 1.2.2.2 jmc # Filename
81 1.2.2.2 jmc printf %-13.13s "$realfilename" | tr " ." \\0/
82 1.2.2.2 jmc # Compressed file length
83 1.2.2.2 jmc print4 $length
84 1.2.2.2 jmc # File date stamp
85 1.2.2.2 jmc print2 0
86 1.2.2.2 jmc # File time stamp
87 1.2.2.2 jmc print2 0
88 1.2.2.2 jmc # CRC
89 1.2.2.2 jmc print2 0
90 1.2.2.2 jmc # Original file length
91 1.2.2.2 jmc print4 $length
92 1.2.2.2 jmc # Load address (FFFtttdd)
93 1.2.2.2 jmc printf \\x$highdate
94 1.2.2.2 jmc printf \\x$lowtype
95 1.2.2.2 jmc printf \\xf$hightype
96 1.2.2.2 jmc printf \\xff
97 1.2.2.2 jmc # Exec address (dddddddd)
98 1.2.2.2 jmc print4 $lowdate
99 1.2.2.2 jmc # Attributes
100 1.2.2.2 jmc # Public read, owner read/write
101 1.2.2.2 jmc print4 19
102 1.2.2.2 jmc }
103 1.2.2.2 jmc
104 1.2.2.2 jmc makearchive()
105 1.2.2.2 jmc {
106 1.2.2.2 jmc for file in "$@"
107 1.2.2.2 jmc do
108 1.2.2.2 jmc # Archive marker
109 1.2.2.2 jmc printf \\x1a
110 1.2.2.2 jmc if [ -f "$file" ]
111 1.2.2.2 jmc then
112 1.2.2.2 jmc case "$file" in
113 1.2.2.2 jmc *,???) type=`echo "$file" | \
114 1.2.2.2 jmc sed "s/.*,\(...\)$/\1/"`
115 1.2.2.2 jmc filename=`echo "$file" | \
116 1.2.2.2 jmc sed "s/,...$//"`
117 1.2.2.2 jmc ;;
118 1.2.2.2 jmc *) type=fff
119 1.2.2.2 jmc filename="$file"
120 1.2.2.2 jmc ;;
121 1.2.2.2 jmc esac
122 1.2.2.2 jmc makeheader "$file" "$file" "$filename" "$type"
123 1.2.2.2 jmc cat "$file"
124 1.2.2.2 jmc fi
125 1.2.2.2 jmc if [ -d "$file" ]
126 1.2.2.2 jmc then
127 1.2.2.2 jmc temp=`mktemp -t $0` || exit 1
128 1.2.2.2 jmc (
129 1.2.2.2 jmc cd "$file"
130 1.2.2.2 jmc makearchive `ls -A` >$temp
131 1.2.2.2 jmc )
132 1.2.2.2 jmc makeheader "$temp" "$file" "$file" ddc
133 1.2.2.2 jmc cat "$temp"
134 1.2.2.2 jmc rm -f "$temp"
135 1.2.2.2 jmc fi
136 1.2.2.2 jmc done
137 1.2.2.2 jmc
138 1.2.2.2 jmc # Archive marker
139 1.2.2.2 jmc printf \\x1a
140 1.2.2.2 jmc # Archive terminator
141 1.2.2.2 jmc printf \\x00
142 1.2.2.2 jmc }
143 1.2.2.2 jmc
144 1.2.2.2 jmc if [ $# -eq 0 ]
145 1.2.2.2 jmc then
146 1.2.2.2 jmc name=`basename $0`
147 1.2.2.2 jmc echo "Usage: $name filename"
148 1.2.2.2 jmc echo "$name: Outputs an uncompressed sparkive to stdout."
149 1.2.2.2 jmc fi
150 1.2.2.2 jmc
151 1.2.2.2 jmc makearchive "$@"
152