[PATCH] lib/sha1.h: wrap declarations in extern "C" scope when included from C++

[Peter Simons]

>From 640f2ed9570eef3189e43ec7550b32776fdebd0f Mon Sep 17 00:00:00 2001
From: Peter Simons <address@hidden>
Date: Sun, 19 Jul 2009 18:25:44 +0200
Subject: [PATCH] lib/sha1.h: wrap declarations in extern "C" scope when 
included from C++

---
 lib/sha1.h |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/lib/sha1.h b/lib/sha1.h
index 4ffda7a..b5f725b 100644
--- a/lib/sha1.h
+++ b/lib/sha1.h
@@ -23,6 +23,10 @@
 # include <stdio.h>
 # include <stdint.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define SHA1_DIGEST_SIZE 20
 
 /* Structure to save state of computation between the single steps.  */
@@ -81,4 +85,8 @@ extern int sha1_stream (FILE *stream, void *resblock);
    digest.  */
 extern void *sha1_buffer (const char *buffer, size_t len, void *resblock);
 
+#ifdef __cplusplus
+}  /* extern "C" */
+#endif
+
 #endif
-- 
1.6.3.3