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#! /bin/sh
# Build a list of internal function and variable prototypes.
t=__wt.$$
trap 'rm -f $t' 0 1 2 3 13 15
# proto --
# extract public functions.
proto()
{
sed -n \
-e '/^__wt_[a-z]/!{' \
-e h \
-e d \
-e '}' \
-e x \
-e '/^static/d' \
-e x \
-e ': loop' \
-e H \
-e n \
-e '/;/b end' \
-e '/^{/!b loop' \
-e ': end' \
-e x \
-e 's/ =.*$//' \
-e '/#/!s/\n/ /g' \
-e 's/\* /\*/g' \
-e 's/ */ /g' \
-e 's/^/extern /' \
-e 's/WT_GCC_FUNC_ATTRIBUTE/WT_GCC_FUNC_DECL_ATTRIBUTE/g' \
-e '# If a line ends in #endif, appending a semicolon will result' \
-e '# in an illegal expression, force an appended newline using' \
-e '# the H command because substitute may not allow newline in' \
-e '# the RHS of the expression.' \
-e '/#endif$/{' \
-e x \
-e 's/.*//' \
-e H \
-e x \
-e '}' \
-e '# Add the gcc warn_unused_result attribute to any external' \
-e '# functions that return an int.' \
-e '/^extern int /s/$/ WT_GCC_FUNC_DECL_ATTRIBUTE((warn_unused_result))/' \
-e 's/$/;/' \
-e p < $1
}
# externs --
# generate the list of prototypes given a file list
externs()
{
(cat <<EOF
/* DO NOT EDIT: automatically built by dist/s_prototypes. */
EOF
for i in $l; do
proto ../$i
done) > $t
cmp $t $f > /dev/null 2>&1 ||
(echo "Building $f" && rm -f $f && cp $t $f)
}
f=../src/include/extern_win.h
l=`sed \
-e '/os_win/!d' \
-e 's/[ ].*$//' filelist`
externs
f=../src/include/extern_posix.h
l=`sed \
-e '/os_posix/!d' \
-e 's/[ ].*$//' filelist`
externs
f=../src/include/extern.h
l=`sed \
-e '/^[a-z]/!d' \
-e '/\/checksum\/arm64/d' \
-e '/\/checksum\/power8/d' \
-e '/\/checksum\/zseries/d' \
-e '/os_posix/d' \
-e '/os_win/d' \
-e 's/[ ].*$//' filelist`
externs
exit 0
|