OS_FSControl 55 (changes)
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Programmer's OS Reference SWI Manuals Calls
» Part OS_FSControl 15 – SWI Calls
» OS_FSControl 55OS
» OS_FSControl
» OS_FSControl 55
OS_ FSControl 55
(SWI &29)
| Entry | |
|---|---|
| R0 | 55 (&37) |
| R1 | Pointer to name of object |
| Exit | |
|---|---|
| R0 | Least significant word of free space |
| R1 | Most significant word of free space |
| R2 | Size of largest object that can be created |
| R3 | Least significant word of disc size |
| R4 | Most significant word of disc size |
Use
The purpose of this call is to reads the free space on a large disc or image file that holds a specified object.
Notes
This call is only implemented in RISC OS 3.60 and later – if an error is returned try OS_FSControl 49 for the prior implementation.
‘Large’ disc needs to be defined.
See also
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