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"C" Programming Guide For Optimus S/R
6
Cannot create file. Because it is beyond the maximum
number of files allowed in the system.
7
Invalid file handle.
8
File not opened.
10
No free file space for rebuilding index.
13
Invalid value in argument:
key_number
14
IDX file specified by
key_number
does not exist.
17
Invalid value in argument:
key_offset
, and/or
key len
.
20
Invalid value in argument:
base_index
21
base_index
does not exist.
See Also
create_index, remove_index
remove_index
Purpose
To delete an IDX file for a DBF file.
Syntax
int remove_IDX (int DBF_fd, int key_number);
int DBF_fd; /* file handle of the associated DBF file */
int key_number; /* key number of the IDX file to be deleted */
Example
if (remove_index (DBF_fd, 1)) puts ("index is removed!\n");
Description
This routine deletes an IDX file (
key_number
) which is associated with a DBF
file (
DBF_fd
).
Return
If successful, it returns 1.
On error, it returns 0.
An error code is set to the global variable fErrorCode to indicate the error
condition encountered. Below are possible error codes and their interpretation.
Error Code
Interpretation
2
File specified by
DBF_fd
does not exist.
4
File specified by
DBF_fd
is not a DBF file.
7
Invalid file handle.
8
File not opened.
10
Not enough free block.
13
Invalid value in argument:
key_number
14
IDX file specified by
key_number
does not exist.
See Also
create_index, rebuild_index
Содержание Optimus R
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