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Fall back to GENERIC_MD5 for headerless SNES

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This commit is contained in:
Raphaël Zumer 2019-01-02 09:55:48 -05:00
parent 2a9f6d9d40
commit 0ebf5a2563
1 changed files with 12 additions and 13 deletions
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25
cheevos/cheevos.c
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@ -2902,24 +2902,23 @@ found:
MD5_Init(&coro->md5);
/* if the file contains header, ignore it */
if (coro->len - ((coro->len / 0x2000) * 0x2000) == 512)
coro->offset = 512;
else
coro->offset = 0;
/* Checks for the existence of a headered SNES file.
Unheadered files fall back to GENERIC_MD5. */
const int SNES_HEADER_LEN = 0x200;
if (coro->len % 0x2000 != SNES_HEADER_LEN || coro->len <= SNES_HEADER_LEN)
{
coro->gameid = 0;
CORO_RET();
}
coro->offset = 512;
coro->count = 0;
CORO_GOSUB(EVAL_MD5);
if (coro->count == 0)
{
MD5_Final(coro->hash, &coro->md5);
coro->gameid = 0;
CORO_RET();
}
MD5_Final(coro->hash, &coro->md5);
CORO_GOTO(GET_GAMEID);
/**************************************************************************