From 91bfca9bdd01f7d890ae2dc6ba84990229492166 Mon Sep 17 00:00:00 2001
From: Michael Baentsch <57787676+baentsch@users.noreply.github.com>
Date: Wed, 3 Aug 2022 19:32:11 +0200
Subject: [PATCH] Add library version retrieval function (#1273)

---
 src/common/common.c | 4 ++++
 src/common/common.h | 5 +++++
 tests/test_kem.c    | 2 ++
 tests/test_sig.c    | 2 ++
 4 files changed, 13 insertions(+)

diff --git a/src/common/common.c b/src/common/common.c
index f0d6cda7a8..2716022622 100644
--- a/src/common/common.c
+++ b/src/common/common.c
@@ -191,6 +191,10 @@ OQS_API void OQS_init(void) {
 	return;
 }
 
+OQS_API const char *OQS_version(void) {
+	return OQS_VERSION_TEXT;
+}
+
 OQS_API int OQS_MEM_secure_bcmp(const void *a, const void *b, size_t len) {
 	/* Assume CHAR_BIT = 8 */
 	uint8_t r = 0;
diff --git a/src/common/common.h b/src/common/common.h
index 659f453749..a06064fea1 100644
--- a/src/common/common.h
+++ b/src/common/common.h
@@ -143,6 +143,11 @@ OQS_API int OQS_CPU_has_extension(OQS_CPU_EXT ext);
  */
 OQS_API void OQS_init(void);
 
+/**
+ * Return library version string.
+ */
+OQS_API const char *OQS_version(void);
+
 /**
  * Constant time comparison of byte sequences `a` and `b` of length `len`.
  * Returns 0 if the byte sequences are equal or if `len`=0.
diff --git a/tests/test_kem.c b/tests/test_kem.c
index d156c2d039..492f47c5fa 100644
--- a/tests/test_kem.c
+++ b/tests/test_kem.c
@@ -204,6 +204,8 @@ void *test_wrapper(void *arg) {
 
 int main(int argc, char **argv) {
 
+	printf("Testing KEM algorithms using liboqs version %s\n", OQS_version());
+
 	if (argc != 2) {
 		fprintf(stderr, "Usage: test_kem algname\n");
 		fprintf(stderr, "  algname: ");
diff --git a/tests/test_sig.c b/tests/test_sig.c
index 3840f84706..abf92084ed 100644
--- a/tests/test_sig.c
+++ b/tests/test_sig.c
@@ -183,6 +183,8 @@ void *test_wrapper(void *arg) {
 
 int main(int argc, char **argv) {
 
+	printf("Testing signature algorithms using liboqs version %s\n", OQS_version());
+
 	if (argc != 2) {
 		fprintf(stderr, "Usage: test_sig algname\n");
 		fprintf(stderr, "  algname: ");