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explain_lchmod_or_die(3) Library Functions Manual explain_lchmod_or_die(3) NAME explain_lchmod_or_die - change permissions of a file and report errors SYNOPSIS #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) sys- tem 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 lch- mod(2) for more information. On failure, prints an explanation and ex- its, 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 1.3 Copyright (C) 2012 Peter Miller explain_lchmod_or_die(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO | COPYRIGHT
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