diff options
| -rw-r--r-- | lib/talloc/script/mksyms.awk | 76 | ||||
| -rwxr-xr-x | lib/talloc/script/mksyms.sh | 45 |
2 files changed, 121 insertions, 0 deletions
diff --git a/lib/talloc/script/mksyms.awk b/lib/talloc/script/mksyms.awk new file mode 100644 index 0000000000..a30bea4d34 --- /dev/null +++ b/lib/talloc/script/mksyms.awk @@ -0,0 +1,76 @@ +# +# mksyms.awk +# +# Extract symbols to export from C-header files. +# output in version-script format for linking shared libraries. +# +# Copyright (C) 2008 Micheal Adam <obnox@samba.org> +# +BEGIN { + inheader=0; + current_file=""; + print "#" + print "# This file is automatically generated with \"make symbols\". DO NOT EDIT " + print "#" + print "{" + print "\tglobal:" +} + +END { + print"" + print "\tlocal: *;" + print "};" +} + +{ + if (FILENAME!=current_file) { + print "\t\t# The following definitions come from",FILENAME + current_file=FILENAME + } + if (inheader) { + if (match($0,"[)][ \t]*[;][ \t]*$")) { + inheader = 0; + } + next; + } +} + +/^static/ || /^[ \t]*typedef/ || !/^[a-zA-Z\_]/ { + next; +} + +/^extern[ \t]+[^()]+[;][ \t]*$/ { + gsub(/[^ \t]+[ \t]+/, ""); + sub(/[;][ \t]*$/, ""); + printf "\t\t%s;\n", $0; + next; +} + +# look for function headers: +{ + gotstart = 0; + if ($0 ~ /^[A-Za-z_][A-Za-z0-9_]+/) { + gotstart = 1; + } + if(!gotstart) { + next; + } +} + +/[_A-Za-z0-9]+[ \t]*[(].*[)][ \t]*;[ \t]*$/ { + sub(/[(].*$/, ""); + gsub(/[^ \t]+[ \t]+/, ""); + gsub(/^[*]/, ""); + printf "\t\t%s;\n",$0; + next; +} + +/[_A-Za-z0-9]+[ \t]*[(]/ { + inheader=1; + sub(/[(].*$/, ""); + gsub(/[^ \t]+[ \t]+/, ""); + gsub(/^[*]/, ""); + printf "\t\t%s;\n",$0; + next; +} + diff --git a/lib/talloc/script/mksyms.sh b/lib/talloc/script/mksyms.sh new file mode 100755 index 0000000000..714d55abae --- /dev/null +++ b/lib/talloc/script/mksyms.sh @@ -0,0 +1,45 @@ +#! /bin/sh + +# +# mksyms.sh +# +# Extract symbols to export from C-header files. +# output in version-script format for linking shared libraries. +# +# This is the shell wrapper for the mksyms.awk core script. +# +# Copyright (C) 2008 Micheal Adam <obnox@samba.org> +# + +LANG=C; export LANG +LC_ALL=C; export LC_ALL +LC_COLLATE=C; export LC_COLLATE + +if [ $# -lt 2 ] +then + echo "Usage: $0 awk output_file header_files" + exit 1 +fi + +awk="$1" +shift + +symsfile="$1" +shift +symsfile_tmp="$symsfile.$$.tmp~" + +proto_src="`echo $@ | tr ' ' '\n' | sort | uniq `" + +echo creating $symsfile + +mkdir -p `dirname $symsfile` + +${awk} -f `dirname $0`/mksyms.awk $proto_src > $symsfile_tmp + +if cmp -s $symsfile $symsfile_tmp 2>/dev/null +then + echo "$symsfile unchanged" + rm $symsfile_tmp +else + mv $symsfile_tmp $symsfile +fi |