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explain_setuid_or_die(3) Library Functions Manual explain_setuid_or_die(3) NAME explain_setuid_or_die - set user identity and report errors SYNOPSIS #include <libexplain/setuid.h> void explain_setuid_or_die(int uid); int explain_setuid_on_error(int uid); DESCRIPTION The explain_setuid_or_die function is used to call the setuid(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_setuid(3) function, and then the process terminates by calling exit(EXIT_FAILURE). The explain_setuid_on_error function is used to call the setuid(2) sys- tem call. On failure an explanation will be printed to stderr, obtained from the explain_setuid(3) function, but still returns to the caller. uid The uid, exactly as to be passed to the setuid(2) system call. RETURN VALUE The explain_setuid_or_die function only returns on success, see se- tuid(2) for more information. On failure, prints an explanation and ex- its, it does not return. The explain_setuid_on_error function always returns the value return by the wrapped setuid(2) system call. EXAMPLE The explain_setuid_or_die function is intended to be used in a fashion similar to the following example: explain_setuid_or_die(uid); SEE ALSO setuid(2) set user identity explain_setuid(3) explain setuid(2) errors exit(2) terminate the calling process COPYRIGHT libexplain version 1.3 Copyright (C) 2012 Peter Miller explain_setuid_or_die(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO | COPYRIGHT
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