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Diffstat (limited to 'usr/src/lib/libbc/libc/sys/sys5/write.c')
-rw-r--r--usr/src/lib/libbc/libc/sys/sys5/write.c115
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);
+}