SIMPLE SOLUTIONS

EXPLAIN_SETRESUID_OR_DIE - reference manual online

Set r/e/s user ID and report errors.

Chapter
explain_setresuid_or_die(3)          Library Functions Manual         explain_setresuid_or_die(3)

NAME explain_setresuid_or_die - set r/e/s user ID and report errors
SYNOPSIS #include <libexplain/setresuid.h> void explain_setresuid_or_die(uid_t ruid, uid_t euid, uid_t suid); int explain_setresuid_on_error(uid_t ruid, uid_t euid, uid_t suid);
DESCRIPTION The explain_setresuid_or_die function is used to call the setresuid(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_setresuid(3) function, and then the process terminates by calling exit(EXIT_FAILURE). The explain_setresuid_on_error function is used to call the setresuid(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_setresuid(3) function, but still returns to the caller. ruid The ruid, exactly as to be passed to the setresuid(2) system call. euid The euid, exactly as to be passed to the setresuid(2) system call. suid The suid, exactly as to be passed to the setresuid(2) system call.
RETURN VALUE The explain_setresuid_or_die function only returns on success, see setresuid(2) for more information. On failure, prints an explanation and exits, it does not return. The explain_setresuid_on_error function always returns the value return by the wrapped setresuid(2) system call.
EXAMPLE The explain_setresuid_or_die function is intended to be used in a fashion similar to the following example: explain_setresuid_or_die(ruid, euid, suid);
SEE ALSO setresuid(2) set real, effective and saved user ID explain_setresuid(3) explain setresuid(2) errors exit(2) terminate the calling process
explain_setresuid_or_die(3)
This manual Reference Other manuals
explain_setresuid_or_die(3) referred by explain(3) | explain_setresuid(3)
refer to _exit(2) | explain_setresuid(3) | setresuid(2)