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#!/bin/sh
MACRO_NAME=LWEXT4
EXT4_ERRNO_H=ext4_errno.h
EXT4_OFLAGS_H=ext4_oflags.h
USED_ERRNO_FILE=/tmp/used_errno
USED_OFLAGS_FILE=/tmp/used_oflags
usage()
{
printf "Usage: %s <lwext4_source_patch>" $1
exit 1
}
if [[ $# -ne 1 ]];then
usage $0
fi
# First change the working directory to destination.
cd $1
if [[ $? -ne 0 ]];then
exit $?
fi
# Extract definitions from 2 files.
sed -n "s/[[:blank:]]*#define \(E[[:alnum:]]\+\)[[:blank:]]\+[[:alnum:]]\+[[:blank:]]*.*/\1/gp" ./include/$EXT4_ERRNO_H > $USED_ERRNO_FILE
sed -n "s/[[:blank:]]*#define \(O_[[:alpha:]]\+\)[[:blank:]]\+[[:alnum:]]\+[[:blank:]]*.*/\1/gp" ./include/$EXT4_OFLAGS_H > $USED_OFLAGS_FILE
sed -n "s/[[:blank:]]*#define \(SEEK_[[:alpha:]]\+\)[[:blank:]]\+[[:alnum:]]\+[[:blank:]]*.*/\1/gp" ./include/$EXT4_OFLAGS_H >> $USED_OFLAGS_FILE
# Add prefix to those definjtions.
for errno in $(cat $USED_ERRNO_FILE);do
echo "For $errno"
for file in $(find . -name "*.c" | xargs -n 1);do
if [[ $(basename $file) != $EXT4_ERRNO_H ]];then
sed -i "/${MACRO_NAME}_ERRNO(${errno})/b;s/\\<${errno}\\>/${MACRO_NAME}_ERRNO(${errno})/g" $file
fi
done
for file in $(find . -name "*.h" | xargs -n 1);do
if [[ $(basename $file) != $EXT4_ERRNO_H ]];then
sed -i "/${MACRO_NAME}_ERRNO(${errno})/b;s/\\<${errno}\\>/${MACRO_NAME}_ERRNO(${errno})/g" $file
fi
done
done
for oflags in $(cat $USED_OFLAGS_FILE);do
echo "For $oflags"
for file in $(find . -name "*.c" | xargs -n 1);do
if [[ $(dirname $file) != "./blockdev/"* && \
$(basename $file) != $EXT4_OFLAGS_H ]];then
sed -i "/${MACRO_NAME}_FLAGS(${oflags})/b;s/\\<${oflags}\\>/${MACRO_NAME}_FLAGS(${oflags})/g" $file
fi
done
for file in $(find . -name "*.h" | xargs -n 1);do
if [[ $(dirname $file) != "./blockdev/"* && \
$(basename $file) != $EXT4_OFLAGS_H ]];then
sed -i "/${MACRO_NAME}_FLAGS(${oflags})/b;s/\\<${oflags}\\>/${MACRO_NAME}_FLAGS(${oflags})/g" $file
fi
done
done
# Do final patching.
for patches in $(dirname $0)/*.patch ;do
patch -p1 < $patches
done
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