PX_UPDATE_RECORD(3) Library Functions Manual PX_UPDATE_RECORD(3)NAME
PX_update_record -- Updates an exiting record in the Paradox file
SYNOPSIS
#include <paradox.h>
int PX_update_record(pxdoc_t *pxdoc, pxval_t **data, int recpos)
DESCRIPTION
Overwrites a record in the database with the data in the array dataptr. The record must be specified by its record number passed as parame-
ter recpos. The first record has number 0.
The memory for dataptr can be freed after PX_update_record has been called.
Check the documentation of PX_insert_record(3) for more information on how to build up the record data
RETURN VALUE
Returns 0 on success or -1 on failure.
SEE ALSO PX_retrieve_record(3), PX_delete_record(3), PX_insert_record(3)AUTHOR
This manual page was written by Uwe Steinmann uwe@steinmann.cx.
PX_UPDATE_RECORD(3)
Check Out this Related Man Page
PX_GeT_DATA_DOUBLE(3) Library Functions Manual PX_GeT_DATA_DOUBLE(3)NAME
PX_get_data_double -- Get double data field
SYNOPSIS
#include <paradox.h>
int PX_get_data_double(pxdoc_t *pxdoc, char *data, int len, double *value)
DESCRIPTION
Converts a data field as it stored in the database file into a double for the host architecture. You should use this function instead of
accessing the data directly.
data points to the start of the data field in the record. It must be calculated by summing up all field length before the field to operate
on and add it to the base pointer of the record.
Note:
This function is deprecated and obsolete if PX_retrieve_record(3) is used.
RETURN VALUE
Returns 0 if the value is NULL, -1 in case of an error and 1 otherwise.
SEE ALSO PX_get_data_byte(3), PX_get_data_long(3), PX_get_data_short(3), PX_get_data_alpha(3)AUTHOR
This manual page was written by Uwe Steinmann uwe@steinmann.cx.
PX_GeT_DATA_DOUBLE(3)
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