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authorJack Lloyd <[email protected]>2017-01-05 18:40:49 -0500
committerJack Lloyd <[email protected]>2017-01-05 18:40:49 -0500
commit46a757f3b762b4931f56d091246fb7024886977a (patch)
tree3523a638d1a590932844b626443f52f47fd58cd8 /src/lib
parentc1d47622ae157ef353e4fe9b7849246516678b9d (diff)
parentbb935199499b96f4a544bedc3f5367039e947e81 (diff)
Merge GH #803 Add botan_ffi_supports_version func
Diffstat (limited to 'src/lib')
-rw-r--r--src/lib/ffi/ffi.cpp11
-rw-r--r--src/lib/ffi/ffi.h6
2 files changed, 17 insertions, 0 deletions
diff --git a/src/lib/ffi/ffi.cpp b/src/lib/ffi/ffi.cpp
index 4727c0763..5c4cba4e7 100644
--- a/src/lib/ffi/ffi.cpp
+++ b/src/lib/ffi/ffi.cpp
@@ -208,6 +208,17 @@ uint32_t botan_ffi_api_version()
return BOTAN_HAS_FFI;
}
+int botan_ffi_supports_api(uint32_t api_version)
+ {
+ /*
+ * In the future if multiple versions are supported, this
+ * function would accept any of them.
+ */
+ if(api_version == BOTAN_HAS_FFI)
+ return 0;
+ return -1;
+ }
+
const char* botan_version_string()
{
return Botan::version_cstr();
diff --git a/src/lib/ffi/ffi.h b/src/lib/ffi/ffi.h
index ed1b55a56..3378e0dcd 100644
--- a/src/lib/ffi/ffi.h
+++ b/src/lib/ffi/ffi.h
@@ -66,6 +66,12 @@ how to provide the cleanest API for such users would be most welcome.
*/
BOTAN_DLL uint32_t botan_ffi_api_version();
+/*
+* Return 0 (ok) if the version given is one this library supports.
+* botan_ffi_supports_api(botan_ffi_api_version()) will always return 0.
+*/
+BOTAN_DLL int botan_ffi_supports_api(uint32_t api_version);
+
BOTAN_DLL const char* botan_version_string();
BOTAN_DLL uint32_t botan_version_major();
BOTAN_DLL uint32_t botan_version_minor();