prefix
Description:
[ CCode ( cname = "g_prefix_error" ) ]
public static void prefix (out Error? dest, string format, ...)
public static void prefix (out Error? dest, string format, ...)
Formats a string according to format and prefix it to an existing error message.
If err is null (ie: no error variable) then do nothing.
If *err is null (ie: an error variable is present but there is no error condition) then also do
nothing.
Parameters:
| format |
printf-style format string |
| ... |
arguments to |
| err |
a return location for a Error |