1 files changed, 118 insertions, 0 deletions
diff --git a/build/make_nw_export.awk b/build/make_nw_export.awk
new file mode 100644
index 0000000..8a5338c
--- /dev/null
+++ b/build/make_nw_export.awk
@@ -0,0 +1,118 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Based on apr's make_export.awk, which is
+# based on Ryan Bloom's make_export.pl
+#
+
+BEGIN {
+}
+
+function add_symbol(sym_name) {
+    sub(" ", "", sym_name)
+    exports[++idx] = sym_name
+}
+
+# List of functions that we don't support, yet??
+#/ap_some_name/{next}
+/ap_mpm_pod_/{next}
+
+/^[ \t]*(AP|DAV|CACHE)([RU]|_CORE)?_DECLARE[^(]*[(][^)]*[)]([^ ]* )*[^(]+[(]/ {
+    sub("[ \t]*(AP|DAV|CACHE)([RU]|_CORE)?_DECLARE[^(]*[(][^)]*[)][ \t]*", "")
+    sub("[(].*", "")
+    sub("([^ ]* (^([ \t]*[(])))+", "")
+    add_symbol($0)
+    next
+}
+
+/^[ \t]*AP_DECLARE_HOOK[^(]*[(][^)]*/ {
+    split($0, args, ",")
+    symbol = args[2]
+    sub("^[ \t]+", "", symbol)
+    sub("[ \t]+$", "", symbol)
+    add_symbol("ap_hook_" symbol)
+    add_symbol("ap_hook_get_" symbol)
+    add_symbol("ap_run_" symbol)
+    next
+}
+
+/^[ \t]*AP[RU]?_DECLARE_EXTERNAL_HOOK[^(]*[(][^)]*/ {
+    split($0, args, ",")
+    prefix = args[1]
+    sub("^.*[(]", "", prefix)
+    symbol = args[4]
+    sub("^[ \t]+", "", symbol)
+    sub("[ \t]+$", "", symbol)
+    add_symbol(prefix "_hook_" symbol)
+    add_symbol(prefix "_hook_get_" symbol)
+    add_symbol(prefix "_run_" symbol)
+    next
+}
+
+/^[ \t]*APR_POOL_DECLARE_ACCESSOR[^(]*[(][^)]*[)]/ {
+    sub("[ \t]*APR_POOL_DECLARE_ACCESSOR[^(]*[(]", "", $0)
+    sub("[)].*$", "", $0)
+    add_symbol("apr_" $0 "_pool_get")
+    next
+}
+
+/^[ \t]*APR_DECLARE_INHERIT_SET[^(]*[(][^)]*[)]/ {
+    sub("[ \t]*APR_DECLARE_INHERIT_SET[^(]*[(]", "", $0)
+    sub("[)].*$", "", $0)
+    add_symbol("apr_" $0 "_inherit_set")
+    next
+}
+
+/^[ \t]*APR_DECLARE_INHERIT_UNSET[^(]*[(][^)]*[)]/ {
+    sub("[ \t]*APR_DECLARE_INHERIT_UNSET[^(]*[(]", "", $0)
+    sub("[)].*$", "", $0)
+    add_symbol("apr_" $0 "_inherit_unset")
+    next
+}
+
+/^[ \t]*(extern[ \t]+)?AP[RU]?_DECLARE_DATA .*;/ {
+    gsub(/[*;\n\r]/, "")
+    gsub(/\[.*\]/, "")
+    add_symbol($NF)
+}
+
+
+END {
+    printf("Added %d symbols to export list.\n", idx) > "/dev/stderr"
+    # sort symbols with shell sort
+    increment = int(idx / 2)
+    while (increment > 0) {
+        for (i = increment+1; i <= idx; i++) {
+            j = i
+            temp = exports[i]
+            while ((j >= increment+1) && (exports[j-increment] > temp)) {
+                exports[j] = exports[j-increment]
+                j -= increment
+            }
+            exports[j] = temp
+        }
+        if (increment == 2)
+            increment = 1
+        else
+            increment = int(increment*5/11)
+    }
+    # print the array
+    printf(" (%s)\n", EXPPREFIX)
+    while (x < idx - 1) {
+        printf(" %s,\n", exports[++x])
+    }
+    printf(" %s\n", exports[++x])
+}
+