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