MFSH SEGREALLOC: Difference between revisions
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The segment may be grown or shrunk. When grown, the extra space is uninitialized. The segment may be moved in the process. | The segment may be grown or shrunk. When grown, the extra space is uninitialized. The segment may be moved in the process. | ||
[[Category:IFS Interfaces]] | |||
Latest revision as of 21:36, 20 November 2019
Change the size of memory.
Syntax
int far pascal MFSH_SEGREALLOC(usSel, cbSeg)
Parameters
- usSel
- contains the selector of the segment to be resized.
- cbSeg
- contains the new length of the segment.
Returns
If no error is detected, a zero error code is returned. If an error is detected, on of the following error codes is returned:
- ERROR_NOT_MEMORY
- too much memory is allocated.
- ERROR_PROTECTION_VIOLATION
- the supplied selector is invalid.
- ERROR_INVALID_PARAMETER
- the supplied length is invalid.
Sample
unsigned short usSel; unsigned long cbSeg; int far pascal MFSH_SEGREALLOC(usSel, cbSeg)
Remarks
This call changes the size of a segment previously allocated with MFSH_ SEGALLOC, or loaded as part of the mini-FSD image.
The segment may be grown or shrunk. When grown, the extra space is uninitialized. The segment may be moved in the process.