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comparison src/fileio.c @ 3781:a257e03c580e

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[xemacs-hg @ 2007-01-08 13:33:42 by vins] On Windows, check read-only bit first.
author vins
date Mon, 08 Jan 2007 13:33:43 +0000
parents 6765f2581182
children b98f0084dc23
comparison
equal deleted inserted replaced
3780:48cade988b67 3781:a257e03c580e
2309 GENERIC_MAPPING genericMapping; 2309 GENERIC_MAPPING genericMapping;
2310 DWORD accessMask; 2310 DWORD accessMask;
2311 PRIVILEGE_SET PrivilegeSet; 2311 PRIVILEGE_SET PrivilegeSet;
2312 DWORD dwPrivSetSize = sizeof( PRIVILEGE_SET ); 2312 DWORD dwPrivSetSize = sizeof( PRIVILEGE_SET );
2313 BOOL fAccessGranted = FALSE; 2313 BOOL fAccessGranted = FALSE;
2314 DWORD dwAccessAllowed; 2314 DWORD dwAccessAllowed;
2315 Extbyte *fnameext; 2315 Extbyte *fnameext;
2316 2316
2317 #ifdef CYGWIN 2317 #ifdef CYGWIN
2318 cygwin_conv_to_full_win32_path(filename, filename_buffer); 2318 cygwin_conv_to_full_win32_path(filename, filename_buffer);
2319 filename = (Ibyte*)filename_buffer; 2319 filename = (Ibyte*)filename_buffer;
2320 #endif 2320 #endif
2321 2321
2322 C_STRING_TO_TSTR(filename, fnameext); 2322 C_STRING_TO_TSTR(filename, fnameext);
2323
2324 // First check for a normal file with the old-style readonly bit
2325 attributes = qxeGetFileAttributes(fnameext);
2326 if (FILE_ATTRIBUTE_READONLY == (attributes & (FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_READONLY)))
2327 return 0;
2328
2323 /* Win32 prototype lacks const. */ 2329 /* Win32 prototype lacks const. */
2324 error = qxeGetNamedSecurityInfo(fnameext, SE_FILE_OBJECT, 2330 error = qxeGetNamedSecurityInfo(fnameext, SE_FILE_OBJECT,
2325 DACL_SECURITY_INFORMATION|GROUP_SECURITY_INFORMATION|OWNER_SECURITY_INFORMATION, 2331 DACL_SECURITY_INFORMATION|GROUP_SECURITY_INFORMATION|OWNER_SECURITY_INFORMATION,
2326 &psidOwner, &psidGroup, &pDacl, &pSacl, &pDesc); 2332 &psidOwner, &psidGroup, &pDacl, &pSacl, &pDesc);
2327 if(error != ERROR_SUCCESS) { // FAT? 2333 if(error != ERROR_SUCCESS) { // FAT?
2328 attributes = qxeGetFileAttributes((Extbyte *)filename); 2334 attributes = qxeGetFileAttributes(fnameext);
2329 return (attributes & FILE_ATTRIBUTE_DIRECTORY) || (0 == (attributes & FILE_ATTRIBUTE_READONLY)); 2335 return (attributes & FILE_ATTRIBUTE_DIRECTORY) || (0 == (attributes & FILE_ATTRIBUTE_READONLY));
2330 } 2336 }
2331 2337
2332 genericMapping.GenericRead = FILE_GENERIC_READ; 2338 genericMapping.GenericRead = FILE_GENERIC_READ;
2333 genericMapping.GenericWrite = FILE_GENERIC_WRITE; 2339 genericMapping.GenericWrite = FILE_GENERIC_WRITE;