49 lines
1.2 KiB
V
49 lines
1.2 KiB
V
module dl
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pub const (
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version = 1
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dl_ext = get_shared_library_extension()
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)
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// get_shared_library_extension returns the platform dependent shared library extension
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// i.e. .dll on windows, .so on most unixes, .dylib on macos.
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[inline]
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pub fn get_shared_library_extension() string {
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return $if windows {
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'.dll'
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} $else $if macos {
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'.dylib'
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} $else {
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'.so'
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}
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}
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// get_libname returns a library name with the operating system specific extension for
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// shared libraries.
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[inline]
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pub fn get_libname(libname string) string {
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return '$libname$dl.dl_ext'
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}
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// open_opt - loads the dynamic shared object.
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// Unlike open, open_opt return an option.
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pub fn open_opt(filename string, flags int) ?voidptr {
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shared_object_handle := open(filename, flags)
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if shared_object_handle == 0 {
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e := dlerror()
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return error(e)
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}
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return shared_object_handle
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}
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// sym_opt returns the address of a symbol in a given shared object, if found.
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// Unlike sym, sym_opt returns an option.
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pub fn sym_opt(shared_object_handle voidptr, symbol string) ?voidptr {
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sym_handle := sym(shared_object_handle, symbol)
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if sym_handle == 0 {
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e := dlerror()
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return error(e)
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}
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return sym_handle
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}
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