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37 lines
841 B
C
37 lines
841 B
C
/* radare2 - LGPL - Copyright 2021-2022 - condret */
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#include <r_io.h>
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R_API RIOSubMap *r_io_submap_new(RIO *io, RIOMapRef *mapref) {
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r_return_val_if_fail (io && mapref, NULL);
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RIOMap *map = r_io_map_get_by_ref (io, mapref);
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if (!map) {
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return NULL;
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}
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RIOSubMap *sm = R_NEW (RIOSubMap);
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if (sm) {
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sm->mapref = *mapref;
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sm->itv = map->itv;
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}
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return sm;
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}
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R_API bool r_io_submap_set_from(RIOSubMap *sm, const ut64 from) {
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r_return_val_if_fail (sm, false);
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if (r_io_submap_to (sm) < from) {
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return false;
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}
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sm->itv.size = sm->itv.addr + sm->itv.size - from;
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sm->itv.addr = from;
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return true;
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}
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R_API bool r_io_submap_set_to(RIOSubMap *sm, const ut64 to) {
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r_return_val_if_fail (sm, false);
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if (r_io_submap_from (sm) > to) {
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return false;
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}
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sm->itv.size = sm->itv.size + to - r_io_submap_to (sm);
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return true;
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}
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