1*d67944fbSScott Rotondo /* 2*d67944fbSScott Rotondo * CDDL HEADER START 3*d67944fbSScott Rotondo * 4*d67944fbSScott Rotondo * The contents of this file are subject to the terms of the 5*d67944fbSScott Rotondo * Common Development and Distribution License (the "License"). 6*d67944fbSScott Rotondo * You may not use this file except in compliance with the License. 7*d67944fbSScott Rotondo * 8*d67944fbSScott Rotondo * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*d67944fbSScott Rotondo * or http://www.opensolaris.org/os/licensing. 10*d67944fbSScott Rotondo * See the License for the specific language governing permissions 11*d67944fbSScott Rotondo * and limitations under the License. 12*d67944fbSScott Rotondo * 13*d67944fbSScott Rotondo * When distributing Covered Code, include this CDDL HEADER in each 14*d67944fbSScott Rotondo * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*d67944fbSScott Rotondo * If applicable, add the following below this CDDL HEADER, with the 16*d67944fbSScott Rotondo * fields enclosed by brackets "[]" replaced with your own identifying 17*d67944fbSScott Rotondo * information: Portions Copyright [yyyy] [name of copyright owner] 18*d67944fbSScott Rotondo * 19*d67944fbSScott Rotondo * CDDL HEADER END 20*d67944fbSScott Rotondo */ 21*d67944fbSScott Rotondo 22*d67944fbSScott Rotondo /* 23*d67944fbSScott Rotondo * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24*d67944fbSScott Rotondo * Use is subject to license terms. 25*d67944fbSScott Rotondo */ 26*d67944fbSScott Rotondo 27*d67944fbSScott Rotondo #ifndef _ST_PATHNAME_H 28*d67944fbSScott Rotondo #define _ST_PATHNAME_H 29*d67944fbSScott Rotondo 30*d67944fbSScott Rotondo #ifdef __cplusplus 31*d67944fbSScott Rotondo extern "C" { 32*d67944fbSScott Rotondo #endif 33*d67944fbSScott Rotondo 34*d67944fbSScott Rotondo /* 35*d67944fbSScott Rotondo * Pathname structure. 36*d67944fbSScott Rotondo * System calls which operate on path names gather the 37*d67944fbSScott Rotondo * pathname from system call into this structure and reduce 38*d67944fbSScott Rotondo * it by peeling off translated components. If a symbolic 39*d67944fbSScott Rotondo * link is encountered the new pathname to be translated 40*d67944fbSScott Rotondo * is also assembled in this structure. 41*d67944fbSScott Rotondo */ 42*d67944fbSScott Rotondo 43*d67944fbSScott Rotondo struct st_pathname { 44*d67944fbSScott Rotondo char *pn_buf; /* underlying storage */ 45*d67944fbSScott Rotondo char *pn_path; /* remaining pathname */ 46*d67944fbSScott Rotondo uint_t pn_pathlen; /* remaining length */ 47*d67944fbSScott Rotondo }; 48*d67944fbSScott Rotondo 49*d67944fbSScott Rotondo #define PN_STRIP 0x00 /* Strip next component off pn */ 50*d67944fbSScott Rotondo #define PN_PEEK 0x01 /* Only peek at next pn component */ 51*d67944fbSScott Rotondo #define stpn_peekcomponent(PNP, COMP) stpn_getcomponent(PNP, COMP, PN_PEEK) 52*d67944fbSScott Rotondo #define stpn_stripcomponent(PNP, COMP) stpn_getcomponent(PNP, COMP, PN_STRIP) 53*d67944fbSScott Rotondo 54*d67944fbSScott Rotondo #define stpn_peekchar(PNP) (((PNP)->pn_pathlen != 0) ? \ 55*d67944fbSScott Rotondo *((PNP)->pn_path) : (char)0) 56*d67944fbSScott Rotondo #define stpn_pathleft(PNP) ((PNP)->pn_pathlen) 57*d67944fbSScott Rotondo #define stpn_getpath(PNP) ((PNP)->pn_path) 58*d67944fbSScott Rotondo #define stpn_copy(PNP1, PNP2) (stpn_set(PNP2, stpn_getpath(PNP1))) 59*d67944fbSScott Rotondo 60*d67944fbSScott Rotondo extern int stpn_alloc(); /* allocate buffer for pathname */ 61*d67944fbSScott Rotondo extern int stpn_get(); /* allocate buf and copy path into it */ 62*d67944fbSScott Rotondo extern int stpn_set(); /* set pathname to string */ 63*d67944fbSScott Rotondo extern int stpn_combine(); /* combine to pathnames (for symlink) */ 64*d67944fbSScott Rotondo extern int stpn_getcomponent(); /* get next component of pathname */ 65*d67944fbSScott Rotondo extern void stpn_skipslash(); /* skip over slashes */ 66*d67944fbSScott Rotondo extern void stpn_free(); /* free pathname buffer */ 67*d67944fbSScott Rotondo 68*d67944fbSScott Rotondo #ifdef __cplusplus 69*d67944fbSScott Rotondo } 70*d67944fbSScott Rotondo #endif 71*d67944fbSScott Rotondo 72*d67944fbSScott Rotondo #endif /* _ST_PATHNAME_H */ 73