NAME¶
explain_statvfs_or_die - get file system statistics and report errors
SYNOPSIS¶
#include <libexplain/statvfs.h>
void explain_statvfs_or_die(const char *pathname, struct statvfs *data);
int explain_statvfs_on_error(const char *pathname, struct statvfs *data);
DESCRIPTION¶
The
explain_statvfs_or_die function is used to call the
statvfs(2)
system call. On failure an explanation will be printed to
stderr,
obtained from the
explain_statvfs(3) function, and then the process
terminates by calling exit(EXIT_FAILURE).
The
explain_statvfs_on_error function is used to call the
statvfs(2) system call. On failure an explanation will be printed to
stderr, obtained from the
explain_statvfs(3) function, but still
returns to the caller.
- pathname
- The pathname, exactly as to be passed to the
statvfs(2) system call.
- data
- The data, exactly as to be passed to the statvfs(2)
system call.
RETURN VALUE¶
The
explain_statvfs_or_die function only returns on success, see
statvfs(2) for more information. On failure, prints an explanation and
exits, it does not return.
The
explain_statvfs_on_error function always returns the value return by
the wrapped
statvfs(2) system call.
EXAMPLE¶
The
explain_statvfs_or_die function is intended to be used in a fashion
similar to the following example:
explain_statvfs_or_die(pathname, data);
SEE ALSO¶
- statvfs(2)
- get file system statistics
- explain_statvfs(3)
- explain statvfs(2) errors
- exit(2)
- terminate the calling process
COPYRIGHT¶
libexplain version 0.52
Copyright (C) 2010 Peter Miller