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TestHugeFile
Test 8-byte file status.
Short Name
TESTHUGE()
Type
Low-Level function
Declaration
COUNT TestHugeFile(FILNO filno)
Description
In V12 the file number typedef was formally changed from COUNT, a two-byte value to FILNO, a four-byte value. Refer to this link for compatibility details. Four Byte File Numbering
TestHugeFile() takes the file number of an opened file, filno, as its input argument to determine if the volume containing the file supports huge files.
Note: This function does NOT determine how much space is available, only if the OS logically supports such file sizes on the volume containing the open file referenced by filno.
Return
TestHugeFile() returns the following values:
Value |
Symbolic Constant |
Explanation |
|---|---|---|
0 |
NO_ERROR |
Files > 4 GB supported. |
26 |
FACS_ERR |
If filno is not in use. |
-647 |
E2GB_COD |
Files > 2 GB NOT supported. |
-648 |
E4GB_COD |
Files > 4 GB NOT supported. |
See c-tree Error Codes for a complete listing of valid c-tree error values.
