mirror of https://github.com/sheumann/hush.git
36 lines
815 B
C
36 lines
815 B
C
/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) tons of folks. Tracking down who wrote what
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* isn't something I'm going to worry about... If you wrote something
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* here, please feel free to acknowledge your work.
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*
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* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
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* Permission has been granted to redistribute this code under GPL.
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*
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* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*/
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#include "busybox.h"
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void FAST_FUNC bb_show_usage(void)
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{
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xfunc_die();
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}
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/* check if u is member of group g */
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int ingroup(uid_t u, gid_t g)
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{
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struct group *grp = getgrgid(g);
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if (grp) {
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char **mem;
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for (mem = grp->gr_mem; *mem; mem++) {
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struct passwd *pwd = getpwnam(*mem);
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if (pwd && (pwd->pw_uid == u))
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return 1;
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}
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}
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return 0;
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}
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