Initial import

1 files changed, 68 insertions, 0 deletions

diff --git a/common/wsa.f90 b/common/wsa.f90
new file mode 100644
index 0000000..080da11
--- /dev/null
+++ b/common/wsa.f90
@@ -0,0 +1,68 @@
+! Copyright (c) 2020 Jeffrey Armstrong <jeff@rainbow-100.com>
+!
+! Permission is hereby granted, free of charge, to any person obtaining a copy
+! of this software and associated documentation files (the "Software"), to deal
+! in the Software without restriction, including without limitation the rights
+! to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+! copies of the Software, and to permit persons to whom the Software is
+! furnished to do so, subject to the following conditions:
+!
+! The above copyright notice and this permission notice shall be included in
+! all copies or substantial portions of the Software.
+!
+! The Software shall be used for Good, not Evil.
+!
+! THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+! IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+! FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+! AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+! LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+! OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+! SOFTWARE.
+
+module wsa_network
+use iso_c_binding
+implicit none
+
+    integer, parameter::wsa_description_length_plus_1 = 256
+
+    type, bind(c) :: wsadata
+        integer(kind=c_int16_t)::wVersion
+        integer(kind=c_int16_t)::wHighVersion
+        integer(kind=c_short)::iMaxSockets
+        integer(kind=c_short)::iMaxUdpDg
+        
+        type(c_ptr)::lpVendorInfo
+        character(len=1, kind=c_char), dimension(wsa_description_length_plus_1)::szDescription
+        character(len=1, kind=c_char), dimension(wsa_description_length_plus_1)::szSystemStatus
+    end type
+    
+contains
+
+    subroutine startup()
+    use iso_c_binding
+    implicit none
+    
+        interface
+            function wsa_startup(v, p) bind(c, name="WSAStartup")
+            use iso_c_binding
+            integer(kind=c_int16_t), value::v
+            type(c_ptr), value::p
+            integer(kind=c_int)::wsa_startup
+            end function wsa_startup
+        end interface
+        
+        type(wsadata), target::startup_data
+        integer::res
+        
+        ! need to use wVersionRequested = MAKEWORD(2, 2);
+        
+        
+        res = wsa_startup(int(z'0202', kind=c_int16_t), c_loc(startup_data))
+        if(res /= 0) then
+            Print *, "Windows Networking failed to start"
+            Print *, "Error=", res
+            stop
+        end if
+    end subroutine startup
+end module wsa_network