Delete the record indicated by a relative record number (random delete).
long cobfa_delrec ( long fd, /* file descriptor */ unsigned long recnum /* relative record number */ );
Description
In the file indicated by the file descriptor <fd>, the record indicated by a relative record number <recnum> is deleted.
Execution Conditions
File Organization | Sequential file | - |
Record sequential file | - | |
Relative file | - | |
Indexed file | Executable | |
Open Mode | INPUT mode | - |
OUTPUT mode | - | |
I-O mode | Executable | |
EXTEND mode | - | |
Access Mode | Sequential | - |
Random | Executable | |
Dynamic | Executable |
Return Values
0: Successful | Function executed successfully |
-1: Failed | Function failed. To get extended error information, call the cobfa_errno or cobfa_stat functions |
Generated Status
Return value of cobfa_errno () | Return value of cobfa_stat () | ||
|---|---|---|---|
Successful | FA_ENOERR | 0 | Function executed successfully |
Failure (not all) (*) | FA_ENOTOPEN | 49 | The specified file is opened in a mode other than I-O mode. Alternatively, an invalid file descriptor is specified. |
FA_EBADACC | 90 | The file is opened with a file organization or access mode that does not allow this function to be executed. | |
FA_ELOCKED | 99 | The record specified by the value of the relative record key is locked | |
FA_ENOREC | 23 | The record specified by the relative record number does not exist | |
* : Typical status values are described above. For other values, see "Chapter 5 Error Number and I-O Status".
