81 lines
2.2 KiB
Bash
81 lines
2.2 KiB
Bash
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#
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# ----------------------------------------------------------------------------
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# "THE BEER-WARE LICENSE" (Revision 42):
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# <phk@login.dknet.dk> wrote this file. As long as you retain this notice you
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# can do whatever you want with this stuff. If we meet some day, and you think
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# this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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# ----------------------------------------------------------------------------
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#
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# $Id: dev2c.sh,v 1.1 1994/10/26 02:53:08 phk Exp $
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#
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# During installation, we suffer badly of we have to run MAKEDEV. MAKEDEV
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# need sh, ln, chown, mknod, awk, rm, test and probably emacs too when
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# we come down to it. So instead this script will make a C-procedure which
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# makes all the B & C nodes of a specified directory.
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#
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# Poul-Henning
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(cd $1; ls -li ) | sed 's/,//' | awk '
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BEGIN {
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while (getline < "/etc/passwd") {
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split($0,a,":")
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uid[a[1]] = a[3]
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}
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while (getline < "/etc/group") {
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split($0,a,":")
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gid[a[1]] = a[3]
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}
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printf("/*\n");
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printf(" * This file is generated from the contents of /dev\n");
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printf(" */\n");
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printf("#define CHK(foo) {i = foo;}\n");
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printf("#include <unistd.h>\n");
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printf("#include <sys/types.h>\n");
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printf("#include <sys/stat.h>\n");
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printf("int makedevs()\n{\n\tint i=0;\n");
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}
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{
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printf ("/* %s */\n",$0)
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$4 = uid[$4]
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$5 = gid[$5]
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if (substr($2,1,1) == "b") {
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k="S_IFBLK"
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} else if (substr($2,1,1) == "c") {
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k="S_IFCHR"
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} else if (substr($2,1,1) == "d") {
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next
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} else if (substr($2,1,1) == "-") {
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next
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} else {
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next
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}
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m = 0;
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if (substr($2,2,1) == "r") m += 400;
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if (substr($2,3,1) == "w") m += 200;
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if (substr($2,4,1) == "x") m += 100;
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if (substr($2,5,1) == "r") m += 40;
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if (substr($2,6,1) == "w") m += 20;
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if (substr($2,7,1) == "x") m += 10;
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if (substr($2,8,1) == "r") m += 4;
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if (substr($2,9,1) == "w") m += 2;
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if (substr($2,10,1) == "x") m += 1;
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if (a[$1] != 0) {
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printf ("\tCHK(link(\"%s\",\"%s\"));\n", \
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a[$1],$11)
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} else {
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printf ("\tCHK(mknod(\"%s\",%s,makedev(%d,%d)));\n", \
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$11, k, $6, $7)
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printf ("\tCHK(chmod(\"%s\",0%d));\n", \
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$11, m)
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printf ("\tCHK(chown(\"%s\",%d,%d));\n", \
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$11, $4,$5)
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a[$1] = $11
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}
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}
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END {
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printf("\treturn i;\n}\n");
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}
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'
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