68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
#if !defined(OS_SOCKET_TYPE)
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# error "You must define an OS_SOCKET_TYPE"
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#endif
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#if !defined(OS_SOCKET_INVALID_HANDLE)
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# error "You must define an OS_SOCKET_INVALID_HANDLE"
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#endif
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#define open_sockets_cap 3
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global u32 open_sockets_len = 1;
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global OS_SOCKET_TYPE open_sockets[open_sockets_cap];
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void open_sockets_init();
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s32 open_sockets_next_free();
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bool open_sockets_has_room();
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OS_SOCKET_TYPE open_sockets_get(Socket_Handle handle);
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Socket_Handle open_sockets_put(OS_SOCKET_TYPE socket);
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void open_sockets_rem(Socket_Handle handle);
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////////////////////////////////////////////////
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// IMPLEMENTATION
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void
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open_sockets_init()
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{
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for (u32 i = 0; i < open_sockets_cap; i++)
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{
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open_sockets[i] = OS_SOCKET_INVALID_HANDLE;
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}
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}
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s32
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open_sockets_next_free()
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{
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if (open_sockets_len < open_sockets_cap) return open_sockets_len++;
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for (u32 i = 1; i < open_sockets_len; i++)
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{
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if (open_sockets[i] == OS_SOCKET_INVALID_HANDLE) return i;
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}
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return 0;
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}
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OS_SOCKET_TYPE
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open_sockets_get(Socket_Handle handle)
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{
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assert(handle.value < open_sockets_len);
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return open_sockets[handle.value];
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}
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Socket_Handle
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open_sockets_put(OS_SOCKET_TYPE socket)
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{
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Socket_Handle result = { .value = open_sockets_next_free() };
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assert(result.value != 0);
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open_sockets[result.value] = socket;
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return result;
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}
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void
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open_sockets_rem(Socket_Handle handle)
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{
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assert(handle.value < open_sockets_len);
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open_sockets[handle.value] = OS_SOCKET_INVALID_HANDLE;
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if (handle.value + 1 == open_sockets_len) {
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open_sockets_len -= 1;
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}
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}
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