diff options
Diffstat (limited to 'usr/src/lib/libbc/libc/sys/sys5/write.c')
-rw-r--r-- | usr/src/lib/libbc/libc/sys/sys5/write.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/usr/src/lib/libbc/libc/sys/sys5/write.c b/usr/src/lib/libbc/libc/sys/sys5/write.c new file mode 100644 index 0000000000..d385a23077 --- /dev/null +++ b/usr/src/lib/libbc/libc/sys/sys5/write.c @@ -0,0 +1,115 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 1999 by Sun Microsystems, Inc. + * All rights reserved. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include "../common/compat.h" +#include <stdio.h> +#include <sys/types.h> +#include <unistd.h> + +/* + * If writing to a utmp-like file, map the utmp structure to + * new format on the fly. + */ +extern int conv2utmpx(char *, char *, int); + +int +write(int fd, char *buf, int size) +{ + return (bc_write(fd, buf, size)); +} + +int +bc_write(int fd, char *buf, int size) +{ + int ret, off; + int nsize; + char *nbuf; + + if (fd_get(fd) != -1) { + nsize = getmodsize(size, sizeof (struct compat_utmp), + sizeof (struct utmpx)); + + if ((nbuf = (void *)malloc(nsize)) == NULL) { + (void) fprintf(stderr, "write: malloc failed\n"); + exit(-1); + } + + (void) memset(nbuf, 0, nsize); + + ret = conv2utmpx(nbuf, buf, size); + + if ((ret = _write(fd, nbuf, ret)) == -1) { + free(nbuf); + return (-1); + } + + free(nbuf); + + ret = getmodsize(ret, sizeof (struct utmpx), + sizeof (struct compat_utmp)); + return (ret); + } + + return (_write(fd, buf, size)); +} + +/* From SunOS/SVR4 utmp.h */ +#define USER_PROCESS 7 +#define DEAD_PROCESS 8 + +extern int +conv2utmpx(char *nbuf, char *buf, int len) +{ + struct compat_utmp *ut; + struct utmpx *utx; + + utx = (struct utmpx *) nbuf; + ut = (struct compat_utmp *) buf; + + while ((char *)ut < (buf + len)) { + (void) strcpy(utx->ut_user, ut->ut_name); + (void) memset(utx->ut_id, 0, sizeof (utx->ut_id)); + (void) strcpy(utx->ut_line, ut->ut_line); + utx->ut_pid = 0; + if ((strcmp(utx->ut_user, "") == 0) && + (strcmp(utx->ut_host, "") == 0)) + utx->ut_type = DEAD_PROCESS; + else + utx->ut_type = USER_PROCESS; + utx->ut_exit.e_termination = 0; + utx->ut_exit.e_exit = 0; + utx->ut_tv.tv_sec = ut->ut_time; + utx->ut_tv.tv_usec = 0; + utx->ut_session = 0; + utx->ut_syslen = sizeof (ut->ut_name) + 1; + (void) strcpy(utx->ut_host, ut->ut_host); + ut++; + utx++; + } + return ((char *) utx - nbuf); +} |