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Diffstat (limited to 'release/sysinstall/dev2c.sh')
| -rw-r--r-- | release/sysinstall/dev2c.sh | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/release/sysinstall/dev2c.sh b/release/sysinstall/dev2c.sh new file mode 100644 index 0000000..cbd2e71 --- /dev/null +++ b/release/sysinstall/dev2c.sh @@ -0,0 +1,80 @@ +: +# +# ---------------------------------------------------------------------------- +# "THE BEER-WARE LICENSE" (Revision 42): +# <phk@login.dknet.dk> wrote this file. As long as you retain this notice you +# can do whatever you want with this stuff. If we meet some day, and you think +# this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp +# ---------------------------------------------------------------------------- +# +# $Id: dev2c.sh,v 1.1 1994/10/26 02:53:08 phk Exp $ +# +# During installation, we suffer badly of we have to run MAKEDEV. MAKEDEV +# need sh, ln, chown, mknod, awk, rm, test and probably emacs too when +# we come down to it. So instead this script will make a C-procedure which +# makes all the B & C nodes of a specified directory. +# +# Poul-Henning + +(cd $1; ls -li ) | sed 's/,//' | awk ' +BEGIN { + while (getline < "/etc/passwd") { + split($0,a,":") + uid[a[1]] = a[3] + } + while (getline < "/etc/group") { + split($0,a,":") + gid[a[1]] = a[3] + } + printf("/*\n"); + printf(" * This file is generated from the contents of /dev\n"); + printf(" */\n"); + printf("#define CHK(foo) {i = foo;}\n"); + printf("#include <unistd.h>\n"); + printf("#include <sys/types.h>\n"); + printf("#include <sys/stat.h>\n"); + printf("int makedevs()\n{\n\tint i=0;\n"); + } + { + printf ("/* %s */\n",$0) + $4 = uid[$4] + $5 = gid[$5] + if (substr($2,1,1) == "b") { + k="S_IFBLK" + } else if (substr($2,1,1) == "c") { + k="S_IFCHR" + } else if (substr($2,1,1) == "d") { + next + } else if (substr($2,1,1) == "-") { + next + } else { + next + } + m = 0; + if (substr($2,2,1) == "r") m += 400; + if (substr($2,3,1) == "w") m += 200; + if (substr($2,4,1) == "x") m += 100; + if (substr($2,5,1) == "r") m += 40; + if (substr($2,6,1) == "w") m += 20; + if (substr($2,7,1) == "x") m += 10; + if (substr($2,8,1) == "r") m += 4; + if (substr($2,9,1) == "w") m += 2; + if (substr($2,10,1) == "x") m += 1; + + if (a[$1] != 0) { + printf ("\tCHK(link(\"%s\",\"%s\"));\n", \ + a[$1],$11) + } else { + printf ("\tCHK(mknod(\"%s\",%s,makedev(%d,%d)));\n", \ + $11, k, $6, $7) + printf ("\tCHK(chmod(\"%s\",0%d));\n", \ + $11, m) + printf ("\tCHK(chown(\"%s\",%d,%d));\n", \ + $11, $4,$5) + a[$1] = $11 + } + } +END { + printf("\treturn i;\n}\n"); + } +' |
