xref: /onnv-gate/usr/src/lib/libbc/libc/sys/common/_creat.c (revision 11798:1e7f1f154004)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
53224Sraf  * Common Development and Distribution License (the "License").
63224Sraf  * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate  *
80Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate  * See the License for the specific language governing permissions
110Sstevel@tonic-gate  * and limitations under the License.
120Sstevel@tonic-gate  *
130Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate  *
190Sstevel@tonic-gate  * CDDL HEADER END
200Sstevel@tonic-gate  */
213224Sraf 
220Sstevel@tonic-gate /*
23*11798SRoger.Faulkner@Sun.COM  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
243224Sraf  * Use is subject to license terms.
250Sstevel@tonic-gate  */
260Sstevel@tonic-gate 
273224Sraf #include <sys/syscall.h>
280Sstevel@tonic-gate #include <unistd.h>
29*11798SRoger.Faulkner@Sun.COM #include <fcntl.h>
300Sstevel@tonic-gate #include <errno.h>
310Sstevel@tonic-gate #include <sys/param.h>
320Sstevel@tonic-gate #include "compat.h"	/* for UTMPX_MAGIC_FLAG */
330Sstevel@tonic-gate 
34*11798SRoger.Faulkner@Sun.COM #define	CREATFLAGS	(O_WRONLY | O_CREAT | O_TRUNC)
35*11798SRoger.Faulkner@Sun.COM 
363224Sraf int
creat_com(char * path,int mode)373224Sraf creat_com(char *path, int mode)
380Sstevel@tonic-gate {
393224Sraf 	int fd;
400Sstevel@tonic-gate 
410Sstevel@tonic-gate 	if (strcmp(path, "/etc/mtab") == 0 ||
420Sstevel@tonic-gate 	    strcmp(path, "/etc/fstab") == 0) {
430Sstevel@tonic-gate 		errno = ENOENT;
443224Sraf 		return (-1);
453224Sraf 	}
463224Sraf 	if (strcmp(path, "/var/adm/wtmp") == 0) {
47*11798SRoger.Faulkner@Sun.COM 		if ((fd = _syscall(SYS_openat, AT_FDCWD,
48*11798SRoger.Faulkner@Sun.COM 		    "/var/adm/wtmpx", CREATFLAGS, mode)) >= 0)
493224Sraf 			fd_add(fd, UTMPX_MAGIC_FLAG);
503224Sraf 		return (fd);
510Sstevel@tonic-gate 	}
523224Sraf 	if (strcmp(path, "/etc/utmp") == 0 ||
533224Sraf 	    strcmp(path, "/var/adm/utmp") == 0) {
54*11798SRoger.Faulkner@Sun.COM 		if ((fd = _syscall(SYS_openat, AT_FDCWD,
55*11798SRoger.Faulkner@Sun.COM 		    "/var/adm/utmpx", CREATFLAGS, mode)) >= 0)
563224Sraf 			fd_add(fd, UTMPX_MAGIC_FLAG);
573224Sraf 		return (fd);
583224Sraf 	}
59*11798SRoger.Faulkner@Sun.COM 	return (_syscall(SYS_openat, AT_FDCWD, path, CREATFLAGS, mode));
600Sstevel@tonic-gate }
61