FGetVolInfo (LabVIEW Manager Function)
- Mise à jour2025-07-30
- Temps de lecture : 1 minute(s)
MgErr FGetVolInfo(path, vinfo);
Purpose
Gets a path specification and information for the volume containing the specified file or directory.
Parameters
| Name | Type | Description |
|---|---|---|
| path | Path | Path of a file or directory contained on the volume from which you want to get information. This path is overwritten with a path specifying the volume containing the specified file or directory. If an error occurs, path is undefined. |
| vinfo | VInfoRec * | Address at which FgetVolInfo stores the information about the volume. If an error occurs, vinfo is undefined. This parameter is a pointer. |
The following code describes the volume information record, VInfoRec.
typedef struct {
uint32 size; /* size in bytes of a volume */
uint32 used; /* number of bytes used on volume */
uint32 free; /* number of bytes available for use on volume */
} VInfoRec;
Return Value
MgErr, which can contain the following errors. If you receive errors from LabVIEW Manager functions, most error names correspond to LabVIEW error codes.
| Value | Corresponding Error Code or Description |
|---|---|
| noErr | No error. |
| mgArgErr | 1 |
| fIOErr | 6 |