C: Add uhd_get_abi_string, uhd_get_version_string

Clients that include the UHD C headers have access to
the version and ABI #defines, but this is not available
to clients that dynamically load the library. This
commit adds publicly exported functions to provide this
information.

1 files changed, 34 insertions, 0 deletions

diff --git a/host/lib/version_c.cpp b/host/lib/version_c.cpp
new file mode 100644
index 000000000..2897a6407
--- /dev/null
+++ b/host/lib/version_c.cpp
@@ -0,0 +1,34 @@
+//
+// Copyright 2019 Ettus Research, a National Instruments Brand
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+
+#include <uhd/version.h>
+#include <uhd/version.hpp>
+
+#include <string.h>
+
+uhd_error uhd_get_abi_string(
+    char* abi_string_out,
+    size_t buffer_len
+){
+    UHD_SAFE_C(
+        const std::string cpp_abi_string = uhd::get_abi_string();
+
+        memset(abi_string_out, 0, buffer_len);
+        strncpy(abi_string_out, cpp_abi_string.c_str(), buffer_len);
+    )
+}
+
+uhd_error uhd_get_version_string(
+    char* version_out,
+    size_t buffer_len
+){
+    UHD_SAFE_C(
+        const std::string cpp_version = uhd::get_version_string();
+
+        memset(version_out, 0, buffer_len);
+        strncpy(version_out, cpp_version.c_str(), buffer_len);
+    )
+}