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| explain_fstatat_or_die(3) | FreeBSD Library Functions Manual | explain_fstatat_or_die(3) |
NAME
explain_fstatat_or_die - get file status relative to a dir fd and report errorsSYNOPSIS
#include <libexplain/fstatat.h>void explain_fstatat_or_die(int fildes, const char *pathname,
struct stat *data, int flags);
int explain_fstatat_on_error(int fildes, const char *pathname, struct stat
*data, int flags);
DESCRIPTION
The explain_fstatat_or_die function is used to call the fstatat(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_fstatat(3) function, and then the process terminates by calling exit(EXIT_FAILURE).The explain_fstatat_on_error function is used to call the fstatat(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_fstatat(3) function, but still returns to the caller.
- fildes
- The fildes, exactly as to be passed to the fstatat(2) system call.
- pathname
- The pathname, exactly as to be passed to the fstatat(2) system call.
- data
- The data, exactly as to be passed to the fstatat(2) system call.
- flags
- The flags, exactly as to be passed to the fstatat(2) system call.
RETURN VALUE
The explain_fstatat_or_die function only returns on success, see fstatat(2) for more information. On failure, prints an explanation and exits, it does not return.The explain_fstatat_on_error function always returns the value return by the wrapped fstatat(2) system call.
EXAMPLE
The explain_fstatat_or_die function is intended to be used in a fashion similar to the following example:explain_fstatat_or_die(fildes, pathname, data, flags);
SEE ALSO
- fstatat(2)
- get file status relative to a directory file descriptor
- explain_fstatat(3)
- explain fstatat(2) errors
- exit(2)
- terminate the calling process
COPYRIGHT
libexplain version 1.3Copyright (C) 2013 Peter Miller
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