OS_FSControl 54 (changes)
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Programmer's OS Reference SWI Manuals Calls
» Part OS_FSControl 15 – SWI Calls
» OS_FSControl 54OS
» OS_FSControl
» OS_FSControl 54
OS_ FSControl 54
(SWI &29)
| Entry | |
|---|---|
| R0 | 54 (&36) |
| R1 | Pointer to buffer to hold pathname |
| R2 | Directory to read (use number) |
| R3 | Pointer to name of filing system |
| R5 | Size of buffer (or 0 to read required size |
| Exit | |
|---|---|
| R1 | Pointer to rest of path, or 0 if directory is not set |
| R5 | (buffer length) minus (length of string (with terminator)) |
| R6 | Pointer to special field, terminated with null or “,” (or 0 for none) |
Use
The purpose of this call is to read the path of the specified directory.
Notes
Like other OS_FSControl calls, use this call twice: after the first call (r5 = 0), and on exit r5 = -(bytes needed).
The buffer is filled with pathname.
See also
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