improve "const" keyword usage.
functions that do not modify their parameters get them as const pointers.
special cases:
* kmod_get_userdata/kmod_set_userdata: return as void* for user convenience.
* kmod_list_append/kmod_list_prepend: take const void* for user convenience.
diff --git a/libkmod/libkmod-module.c b/libkmod/libkmod-module.c
index 552d9ea..969d304 100644
--- a/libkmod/libkmod-module.c
+++ b/libkmod/libkmod-module.c
@@ -263,25 +263,25 @@
/*
* We don't increase the refcount. Maybe we should.
*/
-KMOD_EXPORT struct kmod_list *kmod_module_get_dependency(struct kmod_module *mod)
+KMOD_EXPORT struct kmod_list *kmod_module_get_dependency(const struct kmod_module *mod)
{
// FIXME calculate dependency if it's not initialized
return mod->dep;
}
-KMOD_EXPORT struct kmod_module *kmod_module_get_module(struct kmod_list *l)
+KMOD_EXPORT struct kmod_module *kmod_module_get_module(const struct kmod_list *l)
{
struct kmod_module *mod = l->data;
return kmod_module_ref(mod);
}
-KMOD_EXPORT const char *kmod_module_get_name(struct kmod_module *mod)
+KMOD_EXPORT const char *kmod_module_get_name(const struct kmod_module *mod)
{
// FIXME calculate name if name == NULL
return mod->name;
}
-KMOD_EXPORT const char *kmod_module_get_path(struct kmod_module *mod)
+KMOD_EXPORT const char *kmod_module_get_path(const struct kmod_module *mod)
{
// FIXME calculate path if path == NULL
return mod->path;