Man page - explain_ftruncate_or_die(3)

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explain_ftruncate_or_die

NAME
SYNOPSIS
DESCRIPTION
SEE ALSO
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NAME

explain_ftruncate_or_die - truncate a file and report errors

SYNOPSIS

#include <libexplain/ftruncate.h>
void explain_ftruncate_or_die(int fildes, long long length);

DESCRIPTION

The explain_ftruncate_or_die function is used to call the ftruncate (2) system call. On failure an explanation will be printed to stderr , obtained from explain_ftruncate (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_ftruncate_or_die(fildes, length);

	fildes		The fildes, exactly as to be passed to the ftruncate (2) system call.
	length		The length, exactly as to be passed to the ftruncate (2) system call.

Returns:

This function only returns on success. On failure, prints an explanation and exits.