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/*
Copyright 2022-2023 Gabriel Bjørnager Jensen.
This file is part of agbsum.
agbsum is free software: you can redistribute it
and/or modify it under the terms of the GNU
Affero General Public License as published by
the Free Software Foundation, either version 3
of the License, or (at your option) any later
version.
agbsum is distributed in the hope that it will
be useful, but WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more
details.
You should have received a copy of the GNU
Affero General Public License along with agbsum.
If not, see <https://www.gnu.org/licenses/>.
*/
#include <agbsum.h>
#include <stdio.h>
void
agb_read (void* const restrict buffer, FILE* restrict image)
{
// We only need to read the part of the image
// that is used for the checksum.
fseek (image, agb_sumDataStart, SEEK_SET);
size_t const count = agb_sumOffset + 0x1u;
if (fread (buffer, 0x1u, count, image) != count) {
fputs ("Unable to read ROM\n", stderr);
agb_exit (agb_Cnd_Error, image);
}
}
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