From cfd84663b9d1dc336ead8369e97f2e61f5902d90 Mon Sep 17 00:00:00 2001
From: Frank Denis <github@pureftpd.org>
Date: Sun, 20 Jan 2013 16:04:43 -0800
Subject: [PATCH] A library should expose its version

---
 src/libsodium/Makefile.am                 |  3 ++-
 src/libsodium/include/sodium/version.h.in | 14 +++++++++-----
 src/libsodium/version.c                   | 20 ++++++++++++++++++++
 3 files changed, 31 insertions(+), 6 deletions(-)
 create mode 100644 src/libsodium/version.c

diff --git a/src/libsodium/Makefile.am b/src/libsodium/Makefile.am
index b9433591..73158820 100644
--- a/src/libsodium/Makefile.am
+++ b/src/libsodium/Makefile.am
@@ -73,7 +73,8 @@ libsodium_la_SOURCES = \
 	crypto_sign/ed25519/ref/ge25519.h \
 	crypto_sign/ed25519/ref/ge25519_ed25519.c \
 	crypto_sign/ed25519/ref/sc25519.h \
-	crypto_sign/ed25519/ref/sc25519_ed25519.c
+	crypto_sign/ed25519/ref/sc25519_ed25519.c \
+	version.c
 
 libsodium_la_LDFLAGS = \
 	$(AM_LDFLAGS) \
diff --git a/src/libsodium/include/sodium/version.h.in b/src/libsodium/include/sodium/version.h.in
index c6843a06..9cf7d367 100644
--- a/src/libsodium/include/sodium/version.h.in
+++ b/src/libsodium/include/sodium/version.h.in
@@ -1,10 +1,14 @@
 
-#ifndef __NACL_VERSION_H__
-#define __NACL_VERSION_H__
+#ifndef __SODIUM_VERSION_H__
+#define __SODIUM_VERSION_H__
 
-#define NACL_VERSION_STRING "@VERSION@"
+#define SODIUM_VERSION_STRING "@VERSION@"
 
-#define NACL_VERSION_MAJOR 0
-#define NACL_VERSION_MINOR 1
+#define SODIUM_VERSION_MAJOR 0
+#define SODIUM_VERSION_MINOR 1
+
+const char *sodium_version_string(void);
+const int   sodium_version_major(void);
+const int   sodium_version_minor(void);
 
 #endif
diff --git a/src/libsodium/version.c b/src/libsodium/version.c
new file mode 100644
index 00000000..bff05ff2
--- /dev/null
+++ b/src/libsodium/version.c
@@ -0,0 +1,20 @@
+
+#include "version.h"
+
+const char *
+sodium_version_string(void)
+{
+    return SODIUM_VERSION_STRING;
+}
+
+const int
+sodium_version_major(void)
+{
+    return SODIUM_VERSION_MAJOR;
+}
+
+const int
+sodium_version_minor(void)
+{
+    return SODIUM_VERSION_MINOR;
+}