bionic (3) explain_printf_or_die.3.gz

NAME

       explain_printf_or_die - formatted output conversion and report errors

SYNOPSIS

       #include <libexplain/printf.h>
       int explain_printf_or_die(const char *format);
       int explain_printf_on_error(const char *format);

DESCRIPTION

       The  explain_printf_or_die  function is used to call the printf(3) system call. On failure an explanation
       will be printed to stderr, obtained from the explain_printf(3) function, and then the process  terminates
       by calling exit(EXIT_FAILURE).

       The explain_printf_on_error function is used to call the printf(3) system call. On failure an explanation
       will be printed to stderr, obtained from the explain_printf(3) function, but still returns to the caller.

       format  The format, exactly as to be passed to the printf(3) system call.

RETURN VALUE

       The explain_printf_or_die function only returns on  success,  see  printf(3)  for  more  information.  On
       failure, prints an explanation and exits, it does not return.

       The  explain_printf_on_error  function  always  returns  the value return by the wrapped printf(3) system
       call.

EXAMPLE

       The explain_printf_or_die function is intended to be used in a fashion similar to the following example:
              int result = explain_printf_or_die(format);

SEE ALSO

       printf(3)
               formatted output conversion

       explain_printf(3)
               explain printf(3) errors

       exit(2) terminate the calling process

COPYRIGHT

       libexplain version 1.4
       Copyright (C) 2010 Peter Miller

                                                                                        explain_printf_or_die(3)