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[Core/CD] fixed CHD data initialization (fixes potential crashes when loading non-CHD CD image files after 10MB ROM file)

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EkeEke 2018-06-27 01:42:03 +02:00
parent ae28f87402
commit 724015c5a5
5 changed files with 8 additions and 4 deletions
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builds/genesis_plus_gx_libretro.dll
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builds/genplus_cube.dol
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8
core/cd_hw/cdd.c
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@ -2,7 +2,7 @@
* Genesis Plus * Genesis Plus
* CD drive processor & CD-DA fader * CD drive processor & CD-DA fader
* *
* Copyright (C) 2012-2017 Eke-Eke (Genesis Plus GX) * Copyright (C) 2012-2018 Eke-Eke (Genesis Plus GX)
* *
* Redistribution and use of this code or any derivative works are permitted * Redistribution and use of this code or any derivative works are permitted
* provided that the following conditions are met: * provided that the following conditions are met:
@ -1169,7 +1169,6 @@ void cdd_unload(void)
chd_close(cdd.chd.file); chd_close(cdd.chd.file);
if (cdd.chd.hunk) if (cdd.chd.hunk)
free(cdd.chd.hunk); free(cdd.chd.hunk);
memset(&cdd.chd, 0x00, sizeof(cdd.chd));
#endif #endif
/* close CD tracks */ /* close CD tracks */
@ -1210,6 +1209,11 @@ void cdd_unload(void)
/* reset TOC */ /* reset TOC */
memset(&cdd.toc, 0x00, sizeof(cdd.toc)); memset(&cdd.toc, 0x00, sizeof(cdd.toc));
#if defined(USE_LIBCHDR)
/* reset CHD data */
memset(&cdd.chd, 0x00, sizeof(cdd.chd));
#endif
/* no CD-ROM track */ /* no CD-ROM track */
cdd.sectorSize = 0; cdd.sectorSize = 0;
} }

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core/cd_hw/cdd.h
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@ -2,7 +2,7 @@
* Genesis Plus * Genesis Plus
* CD drive processor & CD-DA fader * CD drive processor & CD-DA fader
* *
* Copyright (C) 2012-2017 Eke-Eke (Genesis Plus GX) * Copyright (C) 2012-2018 Eke-Eke (Genesis Plus GX)
* *
* Redistribution and use of this code or any derivative works are permitted * Redistribution and use of this code or any derivative works are permitted
* provided that the following conditions are met: * provided that the following conditions are met: