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Fix @revskills 0d27cc crash in bin.sms

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This commit is contained in:
pancake 2015-11-04 19:32:57 +01:00
parent 065b887f79
commit f735557b4e
1 changed files with 10 additions and 8 deletions
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18
libr/bin/p/bin_sms.c
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@ -28,14 +28,16 @@ static int check(RBinFile *arch) {
#define CMP8(o,x) strncmp((const char*)bs+o,x,8)
#define CMP4(o,x) strncmp((const char*)bs+o,x,4)
static int check_bytes(const ut8 *bs, ut64 length) {
if (length > 0x2000) {
if (!CMP8(0x1ff0, "TMR SEGA") ||
!CMP8(0x3ff0, "TMR SEGA") ||
!CMP8(0x7ff0, "TMR SEGA") ||
!CMP8(0x8ff0, "TMR SEGA") ||
!CMP4(0x7fe0, "SDSC"))
return true;
}
if (length > 0x2000 && !CMP8(0x1ff0, "TMR SEGA"))
return true;
if (length > 0x4000 && !CMP8(0x3ff0, "TMR SEGA"))
return true;
if (length > 0x8000 && !CMP8(0x7ff0, "TMR SEGA"))
return true;
if (length > 0x9000 && !CMP8(0x8ff0, "TMR SEGA"))
return true;
if (length > 0x8000 && !CMP4(0x7fe0, "SDSC"))
return true;
return false;
}