ERFN

• Source: https://www.freebasic.net/wiki/wikka.php?wakka=KeyPgErfn
• Last revised: 2016-03-12

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Error reporting function

Syntax

` declare function Erfn ( ) as zstring ptr

`

Usage

` result = Erfn ( )

`

Return Value

Returns a pointer to the string identifying the function where the error occurred.

Returns NULL if the source is not compiled with the -exx compiler option.

Description

An error reporting function returning a pointer to the name of the function.

Examples

start GeSHi

'' test.bas
'' compile with fbc -exx -lang fblite test.bas

#lang "fblite"

Sub Generate_Error
  On Error Goto Handler
  Error 1000
  Exit Sub
Handler:
  Print "Error Function: "; *Erfn()
  Print "Error Module  : "; *Ermn()
  Resume Next
End Sub

Generate_Error

end GeSHi

Output:

Error Function: GENERATE_ERROR
Error Module  : test.bas

Dialect Differences

• Not available in the -lang qb dialect unless referenced with the alias __Erfn.

Differences from QB

• New to FreeBASIC

See also

• Erl
• Ermn
• On...Error

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