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| explain_lchmod_or_die(3) | FreeBSD Library Functions Manual | explain_lchmod_or_die(3) |
NAME
explain_lchmod_or_die - change permissions of a file and report errorsSYNOPSIS
#include <libexplain/lchmod.h>void explain_lchmod_or_die(const char *pathname, mode_t mode);
int explain_lchmod_on_error(const char *pathname, mode_t mode);
DESCRIPTION
The explain_lchmod_or_die function is used to call the lchmod(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_lchmod(3) function, and then the process terminates by calling exit(EXIT_FAILURE).The explain_lchmod_on_error function is used to call the lchmod(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_lchmod(3) function, but still returns to the caller.
- pathname
- The pathname, exactly as to be passed to the lchmod(2) system call.
- mode
- The mode, exactly as to be passed to the lchmod(2) system call.
RETURN VALUE
The explain_lchmod_or_die function only returns on success, see lchmod(2) for more information. On failure, prints an explanation and exits, it does not return.The explain_lchmod_on_error function always returns the value return by the wrapped lchmod(2) system call.
EXAMPLE
The explain_lchmod_or_die function is intended to be used in a fashion similar to the following example:explain_lchmod_or_die(pathname, mode);
SEE ALSO
- lchmod(2)
- change permissions of a file
- explain_lchmod(3)
- explain lchmod(2) errors
- exit(2)
- terminate the calling process
COPYRIGHT
libexplain version 1.3Copyright (C) 2012 Peter Miller
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