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-rw-r--r--source3/script/mksyms.awk76
1 files changed, 76 insertions, 0 deletions
diff --git a/source3/script/mksyms.awk b/source3/script/mksyms.awk
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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;
+}
+