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#
# mksyms.awk
#
# Extract symbols to export from C-header files.
# output in version-script format for linking shared libraries.
#
# Copyright (C) 2008 Michael 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($0,"[)][^()]*[;][ \t]*$")) {
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 ($0 ~ /^[A-Za-z_][A-Za-z0-9_]+/) {
gotstart = 1;
}
if(!gotstart) {
next;
}
}
/[_A-Za-z0-9]+[ \t]*[(].*[)][^()]*;[ \t]*$/ {
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;
}
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