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Fixed overwrite failure on Windows 2000/XP/2003 when the existing file was hidden

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@2889 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
kichik 2003-09-09 14:25:16 +00:00
parent 2f4e738429
commit 60c7829e3a
3 changed files with 19 additions and 10 deletions
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19
Source/exehead/util.c
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@ -223,7 +223,16 @@ void * NSISCALL mini_memcpy(void *out, const void *in, int len)
HANDLE NSISCALL myOpenFile(const char *fn, DWORD da, DWORD cd)
{
return CreateFile(fn,da,FILE_SHARE_READ,NULL,cd,0,NULL);
int attr = GetFileAttributes(fn);
return CreateFile(
fn,
da,
FILE_SHARE_READ,
NULL,
cd,
attr == INVALID_FILE_ATTRIBUTES ? 0 : attr,
NULL
);
}
char * NSISCALL my_GetTempFileName(char *buf, const char *dir)
@ -241,7 +250,7 @@ char * NSISCALL my_GetTempFileName(char *buf, const char *dir)
}
#ifdef NSIS_SUPPORT_MOVEONREBOOT
BOOL NSISCALL MoveFileOnReboot(LPCTSTR pszExisting, LPCTSTR pszNew)
void NSISCALL MoveFileOnReboot(LPCTSTR pszExisting, LPCTSTR pszNew)
{
BOOL fOk = 0;
HMODULE hLib=GetModuleHandle("kernel32.dll");
@ -319,12 +328,12 @@ BOOL NSISCALL MoveFileOnReboot(LPCTSTR pszExisting, LPCTSTR pszNew)
else dwRenameLinePos = dwFileSize;
}
mini_memcpy(&pszWinInit[dwRenameLinePos], szRenameLine,cchRenameLine);
mini_memcpy(&pszWinInit[dwRenameLinePos], szRenameLine, cchRenameLine);
dwFileSize += cchRenameLine;
UnmapViewOfFile(pszWinInit);
fOk++;
//fOk++;
}
CloseHandle(hfilemap);
}
@ -333,7 +342,7 @@ BOOL NSISCALL MoveFileOnReboot(LPCTSTR pszExisting, LPCTSTR pszNew)
CloseHandle(hfile);
}
}
return fOk;
//return fOk;
}
#endif