prefix_patch/lwext4_rename.sh

   1 #!/bin/sh
   2
   3 MACRO_NAME=LWEXT4
   4 EXT4_ERRNO_H=ext4_errno.h
   5 EXT4_OFLAGS_H=ext4_oflags.h
   6 USED_ERRNO_FILE=/tmp/used_errno
   7 USED_OFLAGS_FILE=/tmp/used_oflags
   8
   9 usage()
  10 {
  11         printf "Usage: %s <lwext4_source_patch>" $1
  12         exit 1
  13 }
  14
  15 if [[ $# -ne 1 ]];then
  16         usage $0
  17 fi
  18
  19 # First change the working directory to destination.
  20 cd $1
  21 if [[ $? -ne 0 ]];then
  22         exit $?
  23 fi
  24
  25 # Extract definitions from 2 files.
  26 sed -n "s/[[:blank:]]*#define \(E[[:alnum:]]\+\)[[:blank:]]\+[[:alnum:]]\+[[:blank:]]*.*/\1/gp" ./include/$EXT4_ERRNO_H > $USED_ERRNO_FILE
  27 sed -n "s/[[:blank:]]*#define \(O_[[:alpha:]]\+\)[[:blank:]]\+[[:alnum:]]\+[[:blank:]]*.*/\1/gp" ./include/$EXT4_OFLAGS_H > $USED_OFLAGS_FILE
  28 sed -n "s/[[:blank:]]*#define \(SEEK_[[:alpha:]]\+\)[[:blank:]]\+[[:alnum:]]\+[[:blank:]]*.*/\1/gp" ./include/$EXT4_OFLAGS_H >> $USED_OFLAGS_FILE
  29
  30 # Add prefix to those definjtions.
  31
  32 for errno in $(cat $USED_ERRNO_FILE);do
  33         echo "For $errno"
  34         for file in $(find . -name "*.c" | xargs -n 1);do
  35                 if [[ $(basename $file) != $EXT4_ERRNO_H ]];then
  36                         sed -i "/${MACRO_NAME}_ERRNO(${errno})/b;s/\\<${errno}\\>/${MACRO_NAME}_ERRNO(${errno})/g" $file
  37                 fi
  38         done
  39         for file in $(find . -name "*.h" | xargs -n 1);do
  40                 if [[ $(basename $file) != $EXT4_ERRNO_H ]];then
  41                         sed -i "/${MACRO_NAME}_ERRNO(${errno})/b;s/\\<${errno}\\>/${MACRO_NAME}_ERRNO(${errno})/g" $file
  42                 fi
  43         done
  44 done
  45
  46 for oflags in $(cat $USED_OFLAGS_FILE);do
  47         echo "For $oflags"
  48         for file in $(find . -name "*.c" | xargs -n 1);do
  49                 if [[ $(dirname $file) != "./blockdev/"* &&  \
  50                       $(basename $file) != $EXT4_OFLAGS_H ]];then
  51                 sed -i "/${MACRO_NAME}_FLAGS(${oflags})/b;s/\\<${oflags}\\>/${MACRO_NAME}_FLAGS(${oflags})/g" $file
  52                 fi
  53         done
  54         for file in $(find . -name "*.h" | xargs -n 1);do
  55                 if [[ $(dirname $file) != "./blockdev/"* &&  \
  56                       $(basename $file) != $EXT4_OFLAGS_H ]];then
  57                 sed -i "/${MACRO_NAME}_FLAGS(${oflags})/b;s/\\<${oflags}\\>/${MACRO_NAME}_FLAGS(${oflags})/g" $file
  58                 fi
  59         done
  60 done
  61
  62 # Do final patching.
  63 for patches in $(dirname $0)/*.patch ;do
  64         patch -p1 < $patches
  65 done