mirror of https://github.com/acidanthera/audk.git
Fix a bug caused by sscanf trashing memory.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@280 6f19259b-4bc3-4df7-8a09-765794883524
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@ -690,22 +690,34 @@ Returns:
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Ptrx++;
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}
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{
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int byte_index;
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// This is an array of UINT32s. sscanf will trash memory
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// if you try to read into a UINT8 with a %x formatter.
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UINT32 Guid_Data4[8];
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ArgCountParsed = sscanf (
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Ptrx,
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"%x, %x, %x, { %x, %x, %x, %x, %x, %x, %x, %x }",
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&Guid.Data1,
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&Guid.Data2,
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&Guid.Data3,
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&Guid.Data4[0],
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&Guid.Data4[1],
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&Guid.Data4[2],
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&Guid.Data4[3],
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&Guid.Data4[4],
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&Guid.Data4[5],
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&Guid.Data4[6],
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&Guid.Data4[7]
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&Guid_Data4[0],
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&Guid_Data4[1],
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&Guid_Data4[2],
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&Guid_Data4[3],
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&Guid_Data4[4],
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&Guid_Data4[5],
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&Guid_Data4[6],
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&Guid_Data4[7]
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);
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// Now we can copy the 32 bit ints into the GUID.
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for (byte_index=0; byte_index<8; byte_index++) {
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Guid.Data4[byte_index] = (UINT8) Guid_Data4[byte_index];
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}
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}
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if (ArgCountParsed != 11) {
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printf ("We have found an illegal GUID\n");
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printf ("Fix your depex\n");
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