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comparison dynload/dynload_syms_pe.c @ 425:2d9f1cb06352

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- dynload: corrected comparison of size of optional PE header info to what is pointed to (ptr arithmetic was incorrect, only broke ReactOS builds and runtime, though)
author Tassilo Philipp
date Fri, 17 Dec 2021 18:50:58 +0100
parents a29af998e457
children
comparison
equal deleted inserted replaced
424:1e65b8911603 425:2d9f1cb06352
59 base = (const char*)pLib; 59 base = (const char*)pLib;
60 pDOSHeader = (IMAGE_DOS_HEADER*)base; 60 pDOSHeader = (IMAGE_DOS_HEADER*)base;
61 pNTHeader = (IMAGE_NT_HEADERS*)(base + pDOSHeader->e_lfanew); 61 pNTHeader = (IMAGE_NT_HEADERS*)(base + pDOSHeader->e_lfanew);
62 62
63 /* optional header present and big enough? this header should exist as it's only optional for object files */ 63 /* optional header present and big enough? this header should exist as it's only optional for object files */
64 if(pNTHeader->FileHeader.SizeOfOptionalHeader < (&pNTHeader->OptionalHeader.DataDirectory - &pNTHeader->OptionalHeader)) 64 if(pNTHeader->FileHeader.SizeOfOptionalHeader < ((char*)&pNTHeader->OptionalHeader.DataDirectory - (char*)&pNTHeader->OptionalHeader))
65 return NULL; 65 return NULL;
66 66
67 /* export table available? */ 67 /* export table available? */
68 if(pNTHeader->OptionalHeader.NumberOfRvaAndSizes <= IMAGE_DIRECTORY_ENTRY_EXPORT) 68 if(pNTHeader->OptionalHeader.NumberOfRvaAndSizes <= IMAGE_DIRECTORY_ENTRY_EXPORT)
69 return NULL; 69 return NULL;