DosSetFSInfo (OS/2 1.x)
From EDM2
This call sets information for a file system device.
Syntax
DosSetFSInfo (DriveNumber, FSInfoLevel, FSInfoBuf, FSInfoBufSize)
Parameters
- DriveNumber (USHORT) - input
- Logical drive number, for example, 0 = default and 1 = A, and the FSD for the media currently in that drive. A value of '0xFFFF' notes that FSInfoBuf contains the ASCIIZ path name of the FSD.
- FSInfoLevel (USHORT) - input
- Level of file information to be set. A value of 2 is the only valid value for FSInfoLevel.
- FSInfoBuf (PBYTE) - input
- Address of the storage area where the system gets the new file system information.
Level 2 Information Level 2 information is specified in the following format:
- 1 Length of Volume Label (null not included)
- 2-N Volume Label ASCIIZ string.
- FSInfoBufSize (USHORT) - input
- Length of FSInfoBuf.
Return Code
- rc (USHORT) - return
- Return code descriptions are:
- 0 NO_ERROR
- 15 ERROR_INVALID_DRIVE
- 82 ERROR_CANNOT_MAKE
- 122 ERROR_INSUFFICIENT_BUFFER
- 123 ERROR_INVALID_NAME
- 124 ERROR_INVALID_LEVEL
- 154 ERROR_LABEL_TOO_LONG
Remarks
Trailing blanks supplied at volume label definition time are not returned by DosQFSInfo.
File system information can be set only if the volume is opened in a mode that allows write-access.
Bindings
C
#define INCL_DOSFILEMGR
USHORT rc = DosSetFSInfo(DriveNumber, FSInfoLevel, FSInfoBuf,
FSInfoBufSize);
USHORT DriveNumber; /* Drive number */
USHORT FSInfoLevel; /* File system data type */
PBYTE FSInfoBuf; /* File system info buffer */
USHORT FSInfoBufSize; /* File system info buffer size */
USHORT rc; /* return code */
MASM
EXTRN DosSetFSInfo:FAR INCL_DOSFILEMGR EQU 1 PUSH WORD DriveNumber ;Drive number PUSH WORD FSInfoLevel ;File system data type PUSH@ OTHER FSInfoBuf ;File system info buffer PUSH WORD FSInfoBufSize ;File system info buffer size CALL DosSetFSInfo Returns WORD
