explain_ferror_or_die(3)
NAME
explain_ferror_or_die - check stream status and report errors
SYNOPSIS
#include <libexplain/ferror.h> void explain_ferror_or_die(FILE *fp);
DESCRIPTION
The explain_ferror_or_die function is used to call the ferror(3) system
call. On failure an explanation will be printed to stderr, obtained
from explain_ferror(3), and then the process terminates by calling
exit(EXIT_FAILURE).
- This function is intended to be used in a fashion similar to the following example:
- explain_ferror_or_die(fp);
- It is essential that this function cal be placed as close as possible to the I/O code that has caused the problem, otherwise intervening code could have altered the errno global variable.
- fp The fp, exactly as to be passed to the ferror(3) system call.
- Returns:
- This function only returns on success. On failure, prints an explanation and exits.
SEE ALSO
- ferror(3)
- check stream status
- explain_ferror(3)
- explain ferror(3) errors
- exit(2) terminate the calling process
COPYRIGHT
- libexplain version 0.37
Copyright (C) 2008 Peter Miller