Name
dbg_printf — print formatted output onto the system console
Synopsis
dbg_printf ( |
in format varchar , |
in arg1 any , | |
... , | |
in argn any ) ; |
Description
dbg_printf
prints a variable
number (max. eight) of arguments to the system console of Virtuoso
server, each argument formatted in C printf
style, according to the format string
specified in the first argument.
Parameters
format
a C sprintf -style format string
argn
The arguments to format and print in any type
Return Values
None
Examples
Example24.87.Simple example
The frammitz just zilched!
if (frammitz_status 0) { dbg_printf ('Error: Frammitz status: %d.\nProgram terminated', frammitz_status); signal ('42666', 'Frammitz zilched'); }
Hitting these lines would cause something like this in a client:
*** Error 42666: [Virtuoso Driver][Virtuoso Server]Frammitz zilched at line 84 (84) of Top-Level: zappi()
The console output would look like this:
Error: Frammitz status: 2. Program terminated