diff options
Diffstat (limited to 'winsup/cygwin/cygmagic')
| -rwxr-xr-x | winsup/cygwin/cygmagic | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/winsup/cygwin/cygmagic b/winsup/cygwin/cygmagic index 5589b26f6..a8ccc8c76 100755 --- a/winsup/cygwin/cygmagic +++ b/winsup/cygwin/cygmagic @@ -1,4 +1,14 @@ #!/bin/sh +# cygmagic - Generate "magic numbers" from a structure. +# +# Copyright 2001, 2002 Red Hat, Inc. +# +# This file is part of Cygwin. +# +# This software is a copyrighted work licensed under the terms of the +# Cygwin license. Please consult the file "CYGWIN_LICENSE" for +# details. + file_magic=$1; shift gcc=$1; shift file=$1; shift @@ -7,13 +17,17 @@ cat <<EOF > $file_magic /* autogenerated - do not edit */ #include "$file" EOF +sumit() { + cksum $* +} + while [ -n "$1" ]; do define=$1; shift struct=$1; shift - sum=`$gcc -E $file | sed -n "/^$struct/,/^};/p" | sed -e 's/[ ]//g' -e '/^$/d' | sum | awk '{printf "0x%x", $1}'` + sum=`$gcc -E $file | sed -n "/^$struct/,/^};/p" | sed -e 's/[ ]//g' -e '/^$/d' | sumit | awk '{printf "0x%xU", $1}'` echo "#define $define $sum" curr=`sed -n "s/^#[ ]*define CURR_$define[ ][ ]*\([^ ][^ ]*\)/\1/p" $file` - [ "$curr" == "$sum" ] || echo "*** WARNING WARNING WARNING WARNING WARNING *** + [ "$curr" != "$sum" ] && echo "*** WARNING WARNING WARNING WARNING WARNING *** *** $file: magic number for $define changed old $curr != new $sum *** WARNING WARNING WARNING WARNING WARNING ***" 1>&2 done >> $file_magic |