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Man Pages


Manual Reference Pages  -  EXPLAIN_FERROR_OR_DIE (3)

NAME

explain_ferror_or_die - check stream status and report errors
"check stream status and report errors"

CONTENTS

Synopsis
Description
See Also
Copyright

SYNOPSIS

#include <libexplain/ferror.h>

void explain_ferror_or_die(FILE *fp);

DESCRIPTION

The B]explain_ferror_or_die function is used to call the I]ferror(3) system call. On failure an explanation will be printed to I]stderr, obtained from I]explain_ferror(3), and then the process terminates by calling CW]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 I]errno global variable.
I]fp The fp, exactly as to be passed to the I]ferror(3) system call.
Returns: This function only returns on success. On failure, prints an explanation and exits.

SEE ALSO

I]ferror(3)
  check stream status
I]explain_ferror(3)
  explain I]ferror(3) errors
I]exit(2) terminate the calling process

COPYRIGHT

libexplain version 1.3
Copyright © 2008 Peter Miller
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