BLOB WRITE()

PURPOSE

Write a blob

SYNONYM

api_blob_write()

SYNOPSIS

#include "dbapi.h"
 
int	BLOB_WRITE(fldname, blob, size)
 
<input parameters>
char		*fldname;		/* Address of a buffer containing a blob field name	*/
unsigned char	blob;		/* Address of a buffer containing blob data			*/
int		size;			/* Blob size								*/
 
<output parameters>
none

DESCRIPTION

The BLOB_WRITE() function writes a blob field from the specified buffer into a memo file, and updates the current record buffer.

EXAMPLE

The following example updates the blob field specified in the first parameter passed.

#include "dbapi.h"
 
dbapi_blob_write()
{
    int	result;
 
    if (_parinfo(1) == API_CTYPE && _parinfo(2 ) == API_CTYPE) {
 
       if (!DBF_ISEXCLUSIVE()) DBF_LOCKR(DBF_RECNO());
       result = BLOB_WRITE( _parc(1), (unsigned char) _parc(2), _parcsiz(2) );
       if (result) result = DBF_UPDATE();
       if (!DBF_ISEXCLUSIVE()) DBF_UNLOCKR(DBF_RECNO());
 
    } else {
       result = -1;
    }
 
    _retl( (result) ? 1 : 0 );
}

SEE ALSO

BLOB_READ(), BLOB_RECLAIM(), BLOB_SIZE(), BLOB_UPDATE()