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authorMichael Hanson <hansonorders@verizon.net>2010-12-07 01:42:07 (GMT)
committerMichael Hanson <hansonorders@verizon.net>2010-12-07 01:42:07 (GMT)
commitf46714b9870abc1a1f41fe944159bc09b4cf33cb (patch)
tree2ffb0bd13d8e657e61723d5f1d9dbeb6f13e3eca /abs/extra/rpmextract/rpm2cpio
parent21f2b55e683c5f9eee3f4d5bdbf4d79745bc46a6 (diff)
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rpmextract: initial include for gsfonts
Diffstat (limited to 'abs/extra/rpmextract/rpm2cpio')
-rw-r--r--abs/extra/rpmextract/rpm2cpio26
1 files changed, 26 insertions, 0 deletions
diff --git a/abs/extra/rpmextract/rpm2cpio b/abs/extra/rpmextract/rpm2cpio
new file mode 100644
index 0000000..a0eba24
--- /dev/null
+++ b/abs/extra/rpmextract/rpm2cpio
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+pkg=$1
+if [ "$pkg" = "" -o ! -e "$pkg" ]; then
+ echo "no package supplied" 1>&2
+ exit 1
+fi
+
+leadsize=96
+o=`expr $leadsize + 8`
+set `od -j $o -N 8 -t u1 $pkg`
+il=`expr 256 \* \( 256 \* \( 256 \* $2 + $3 \) + $4 \) + $5`
+dl=`expr 256 \* \( 256 \* \( 256 \* $6 + $7 \) + $8 \) + $9`
+# echo "sig il: $il dl: $dl"
+
+sigsize=`expr 8 + 16 \* $il + $dl`
+o=`expr $o + $sigsize + \( 8 - \( $sigsize \% 8 \) \) \% 8 + 8`
+set `od -j $o -N 8 -t u1 $pkg`
+il=`expr 256 \* \( 256 \* \( 256 \* $2 + $3 \) + $4 \) + $5`
+dl=`expr 256 \* \( 256 \* \( 256 \* $6 + $7 \) + $8 \) + $9`
+# echo "hdr il: $il dl: $dl"
+
+hdrsize=`expr 8 + 16 \* $il + $dl`
+o=`expr $o + $hdrsize`
+
+dd if=$pkg ibs=$o skip=1 2>/dev/null