Adding version (#48)

* added version, running tests to check if #47 is due to os

* tests on less julia v

Author: nantonel

.github/workflows/Tests.yml

@@ -17,9 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.3'
-          - '1.4'
-          - '1.5'
+          - '1.6'
           - '1'
           - 'nightly'
         os:

src/libsndfile_h.jl

@@ -214,3 +214,13 @@ sf_seek(filePtr, frames::sf_count_t, whence::Integer) =
     ccall((:sf_seek, libsndfile), Int64,
                 (Ptr{Cvoid}, Int64, Int32),
                 filePtr, frames, whence)
+
+function version()
+  SFC_GET_LIB_VERSION	= 0x1000
+  buf = zeros(Cchar,256) 
+  v = Cstring(pointer(buf))
+  ccall((:sf_command, libsndfile), Int64,
+        (Ptr{Cvoid}, UInt, Cstring, UInt),
+        C_NULL, SFC_GET_LIB_VERSION, v, sizeof(buf))
+  unsafe_string(v)
+end

test/runtests.jl

@@ -64,6 +64,11 @@ reference_buf = gen_reference(srate)
 # Juno
 @testset "LibSndFile Tests" begin
 
+@testset "Version" begin
+  v = LibSndFile.version()
+  @test v[1:10] == "libsndfile"
+end
+
 @testset "Read errors" begin
     @test_throws ErrorException load_wav("doesnotexist.wav")
 end