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#+build windows
#+private
package dynlib
import "base:runtime"
import win32 "core:sys/windows"
import "core:strings"
import "core:reflect"
_LIBRARY_FILE_EXTENSION :: "dll"
_load_library :: proc(path: string, global_symbols: bool, allocator: runtime.Allocator) -> (Library, bool) {
// NOTE(bill): 'global_symbols' is here only for consistency with POSIX which has RTLD_GLOBAL
wide_path := win32.utf8_to_wstring(path, allocator)
defer free(rawptr(wide_path), allocator)
handle := cast(Library)win32.LoadLibraryW(wide_path)
return handle, handle != nil
}
_unload_library :: proc(library: Library) -> bool {
ok := win32.FreeLibrary(cast(win32.HMODULE)library)
return bool(ok)
}
_symbol_address :: proc(library: Library, symbol: string, allocator: runtime.Allocator) -> (ptr: rawptr, found: bool) {
c_str := strings.clone_to_cstring(symbol, allocator)
defer delete(c_str, allocator)
ptr = win32.GetProcAddress(cast(win32.HMODULE)library, c_str)
found = ptr != nil
return
}
_last_error :: proc() -> string {
err := win32.System_Error(win32.GetLastError())
err_msg := reflect.enum_string(err)
return "unknown" if err_msg == "" else err_msg
}
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