View source for BLOB SIZE()

==PURPOSE==
Return the size of a blob


==SYNONYM==
api_blob_size()


==SYNOPSIS==
<code lang="c">
#include "dbapi.h"

int	BLOB_SIZE(fldname)

<input parameters>
char	*fldname;	/* Address of a buffer containing a blob field name	*/

<output parameters>
none
</code>


==DESCRIPTION==
The BLOB_SIZE() function will return the number of bytes the blob occupies in the memo file for the specified field in the current record.

It will return - 1 if the blob field is empty on the current record.


==EXAMPLE==
The following example will return the size of a blob field specified as the first parameter for the current record of the database.

<code lang="c">
#include "dbapi.h"

dbapi_blob_size()
{
    int	rc;
    
    if (_parinfo(1) == API_CTYPE) {
       rc = BLOB_SIZE( _parc(1) );
    } else {
       rc = -1;
    }
    
    _retni( rc );
}
</code>


==SEE ALSO==
[[BLOB_READ()]], [[BLOB_RECLAIM()]], [[BLOB_UPDATE()]], [[BLOB_WRITE()]]

[[Category:Documentation]]
[[Category:SDK]]