1 files changed, 27 insertions, 0 deletions
diff --git a/ext/unicorn_http/gperf.rb b/ext/unicorn_http/gperf.rb
new file mode 100644
index 0000000..9765f86
--- /dev/null
+++ b/ext/unicorn_http/gperf.rb
@@ -0,0 +1,27 @@
+#!/usr/bin/ruby -w
+buf = STDIN.read # output of: gperf ext/unicorn_http/common_fields.gperf
+
+# this is supposed to fail if it doesn't subsitute anything:
+print buf.sub!(
+
+# make sure all functions are static
+/\nstruct \w+ \*\n(\w+_)?lookup/) {
+  "\nstatic#$&"
+}.
+
+gsub!(
+# gperf 3.0.x used "(int)(long)", 3.1 uses "(int)(size_t)",
+#  input: {(int)(size_t)&((struct cf_pool_t *)0)->cf_pool_str3},
+# output: {offsetof(struct cf_pool_t, cf_pool_str3)},
+/{\(int\)\(\w+\)\&\(\((struct \w+) *\*\)0\)->(\w+)}/) {
+  "{offsetof(#$1, #$2)}"
+}.
+
+# make sure everything is 64-bit safe and compilers don't truncate
+gsub!(/\b(?:unsigned )?int\b/, 'size_t').
+
+# This isn't need for %switch%, but we'll experiment with to see
+# if it's necessary, or not.
+# don't give compilers a reason to complain, (struct foo *)->name
+# is size_t, so unused slots should be size_t:
+gsub(/\{-1\}/, '{(size_t)-1}')