add a crcmp() function.
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34e4755a7d
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ade6fba604
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@ -1,4 +1,4 @@
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/* $NetBSD: kern_prot.c,v 1.78 2003/03/27 17:47:45 jdolecek Exp $ */
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/* $NetBSD: kern_prot.c,v 1.79 2003/05/16 13:55:18 christos Exp $ */
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/*
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* Copyright (c) 1982, 1986, 1989, 1990, 1991, 1993
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@ -45,7 +45,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: kern_prot.c,v 1.78 2003/03/27 17:47:45 jdolecek Exp $");
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__KERNEL_RCSID(0, "$NetBSD: kern_prot.c,v 1.79 2003/05/16 13:55:18 christos Exp $");
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#include "opt_compat_43.h"
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@ -638,6 +638,18 @@ crfree(struct ucred *cr)
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FREE((caddr_t)cr, M_CRED);
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}
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/*
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* Compare cred structures and return 0 if they match
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*/
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int
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crcmp(const struct ucred *cr1, const struct uucred *cr2)
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{
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return cr1->cr_uid != cr2->cr_uid ||
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cr1->cr_gid != cr2->cr_gid ||
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cr1->cr_ngroups != (uint32_t)cr2->cr_ngroups ||
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memcmp(cr1->cr_groups, cr2->cr_groups, cr1->cr_ngroups);
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}
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/*
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* Copy cred structure to a new one and free the old one.
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*/
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@ -1,4 +1,4 @@
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/* $NetBSD: ucred.h,v 1.16 2003/03/05 18:39:17 dsl Exp $ */
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/* $NetBSD: ucred.h,v 1.17 2003/05/16 13:55:54 christos Exp $ */
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/*
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* Copyright (c) 1989, 1993
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@ -85,6 +85,7 @@ void crfree(struct ucred *);
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struct ucred *crget(void);
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int suser(const struct ucred *, u_short *);
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void crcvt(struct ucred *, const struct uucred *);
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int crcmp(const struct ucred *, const struct uucred *);
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#endif /* _KERNEL */
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#endif /* !_SYS_UCRED_H_ */
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