NAME¶
explain_puts_or_die - write a string and a newline to stdout and report errors
SYNOPSIS¶
#include <libexplain/puts.h>
void explain_puts_or_die(const char *s);
int explain_puts_on_error(const char *s);
DESCRIPTION¶
The
explain_puts_or_die function is used to call the
puts(3)
system call. On failure an explanation will be printed to
stderr,
obtained from the
explain_puts(3) function, and then the process
terminates by calling exit(EXIT_FAILURE).
The
explain_puts_on_error function is used to call the
puts(3)
system call. On failure an explanation will be printed to
stderr,
obtained from the
explain_puts(3) function, but still returns to the
caller.
- s
- The s, exactly as to be passed to the puts(3) system
call.
RETURN VALUE¶
The
explain_puts_or_die function only returns on success, see
puts(3) for more information. On failure, prints an explanation and
exits, it does not return.
The
explain_puts_on_error function always returns the value return by the
wrapped
puts(3) system call.
EXAMPLE¶
The
explain_puts_or_die function is intended to be used in a fashion
similar to the following example:
SEE ALSO¶
- puts(3)
- write a string and a trailing newline to stdout
- explain_puts(3)
- explain puts(3) errors
- exit(2)
- terminate the calling process
COPYRIGHT¶
libexplain version 0.52
Copyright (C) 2009 Peter Miller