The HPLAPIVERSION configuration parameter

The HPLAPIVERSION configuration parameter specifies whether to use custom conversion or driver functions with three or four arguments. Using four arguments allows different lengths for data in the input and output buffers.

Default value
0
Range of values
0 or 1
0 = The custom conversion or driver function receives three arguments:
  • The buffer into which the output should be placed
  • The maximum length of the output buffer
  • The value of the input field
1 = The custom conversion or driver function receives four arguments:
  • The buffer into which the output should be placed
  • The maximum length of the output buffer
  • The value of the input field
  • The length of the input value
See
The onpload conversion process