From ca3fd8acb4bc3f5125a9f0f281951fb8f03778e5 Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Sun, 2 Aug 2009 13:39:21 -0700
Subject: Refactoring unicorn_http C/Ragel code

More tightly integrate the C/Ruby portions with C/Ragel to avoid
the confusing the flow.  Split out some files into hopefully
logical areas so it's easier to focus on more
interesting/volatile code.
---
 ext/unicorn_http/c_util.h | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 ext/unicorn_http/c_util.h

(limited to 'ext/unicorn_http/c_util.h')

diff --git a/ext/unicorn_http/c_util.h b/ext/unicorn_http/c_util.h
new file mode 100644
index 0000000..30e7ae2
--- /dev/null
+++ b/ext/unicorn_http/c_util.h
@@ -0,0 +1,28 @@
+/*
+ * Generic C functions and macros go here, there are no dependencies
+ * on Unicorn internal structures or the Ruby C API in here.
+ */
+
+#ifndef UH_util_h
+#define UH_util_h
+
+/*
+ * capitalizes all lower-case ASCII characters and converts dashes
+ * to underscores for HTTP headers.  Locale-agnostic.
+ */
+static void snake_upcase_char(char *c)
+{
+  if (*c >= 'a' && *c <= 'z')
+    *c &= ~0x20;
+  else if (*c == '-')
+    *c = '_';
+}
+
+/* Downcases a single ASCII character.  Locale-agnostic. */
+static void downcase_char(char *c)
+{
+  if (*c >= 'A' && *c <= 'Z')
+    *c |= 0x20;
+}
+
+#endif /* UH_util_h */
-- 
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