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authorTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
commitd6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch)
treeece253b876159b39c620e62b6c9b1174642e070e /usr.bin/systat/disks.c
initial import of NetBSD tree
Diffstat (limited to 'usr.bin/systat/disks.c')
-rw-r--r--usr.bin/systat/disks.c204
1 files changed, 204 insertions, 0 deletions
diff --git a/usr.bin/systat/disks.c b/usr.bin/systat/disks.c
new file mode 100644
index 00000000000..5b3a058e9cc
--- /dev/null
+++ b/usr.bin/systat/disks.c
@@ -0,0 +1,204 @@
+/* $NetBSD: disks.c,v 1.2 1995/01/20 08:51:53 jtc Exp $ */
+
+/*-
+ * Copyright (c) 1980, 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)disks.c 8.1 (Berkeley) 6/6/93";
+#endif
+static char rcsid[] = "$NetBSD: disks.c,v 1.2 1995/01/20 08:51:53 jtc Exp $";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/buf.h>
+
+#include <nlist.h>
+#include <ctype.h>
+#include <paths.h>
+#include <string.h>
+#include <stdlib.h>
+#include "systat.h"
+#include "extern.h"
+
+static void dkselect __P((char *, int, int []));
+static int read_names __P((void));
+
+static struct nlist namelist[] = {
+#define X_DK_NDRIVE 0
+ { "_dk_ndrive" },
+#define X_DK_WPMS 1
+ { "_dk_wpms" },
+#ifdef vax
+#define X_MBDINIT (X_DK_WPMS+1)
+ { "_mbdinit" },
+#define X_UBDINIT (X_DK_WPMS+2)
+ { "_ubdinit" },
+#endif
+#ifdef sun
+#define X_MBDINIT (X_DK_WPMS+1)
+ { "_mbdinit" },
+#endif
+#ifdef tahoe
+#define X_VBDINIT (X_DK_WPMS+1)
+ { "_vbdinit" },
+#endif
+#if defined(hp300) || defined(luna68k)
+#define X_HPDINIT (X_DK_WPMS+1)
+ { "_hp_dinit" },
+#endif
+#ifdef mips
+#define X_SCSI_DINIT (X_DK_WPMS+1)
+ { "_scsi_dinit" },
+#endif
+ { "" },
+};
+
+float *dk_mspw;
+int dk_ndrive, *dk_select;
+char **dr_name;
+
+#include "names.c" /* XXX */
+
+int
+dkinit()
+{
+ register int i;
+ register char *cp;
+ static int once = 0;
+ static char buf[1024];
+
+ if (once)
+ return(1);
+
+ if (kvm_nlist(kd, namelist)) {
+ nlisterr(namelist);
+ return(0);
+ }
+ if (namelist[X_DK_NDRIVE].n_value == 0) {
+ error("dk_ndrive undefined in kernel");
+ return(0);
+ }
+ NREAD(X_DK_NDRIVE, &dk_ndrive, LONG);
+ if (dk_ndrive <= 0) {
+ error("dk_ndrive=%d according to %s", dk_ndrive, _PATH_UNIX);
+ return(0);
+ }
+ dk_mspw = (float *)calloc(dk_ndrive, sizeof (float));
+ {
+ long *wpms = (long *)calloc(dk_ndrive, sizeof(long));
+ KREAD(NPTR(X_DK_WPMS), wpms, dk_ndrive * sizeof (long));
+ for (i = 0; i < dk_ndrive; i++)
+ *(dk_mspw + i) = (*(wpms + i) == 0)? 0.0:
+ (float) 1.0 / *(wpms + i);
+ free(wpms);
+ }
+ dr_name = (char **)calloc(dk_ndrive, sizeof (char *));
+ dk_select = (int *)calloc(dk_ndrive, sizeof (int));
+ for (cp = buf, i = 0; i < dk_ndrive; i++) {
+ dr_name[i] = cp;
+ sprintf(dr_name[i], "dk%d", i);
+ cp += strlen(dr_name[i]) + 1;
+ if (dk_mspw[i] != 0.0)
+ dk_select[i] = 1;
+ }
+ if (!read_names()) {
+ free(dr_name);
+ free(dk_select);
+ free(dk_mspw);
+ return(0);
+ }
+ once = 1;
+ return(1);
+}
+
+int
+dkcmd(cmd, args)
+ char *cmd, *args;
+{
+ if (prefix(cmd, "display") || prefix(cmd, "add")) {
+ dkselect(args, 1, dk_select);
+ return (1);
+ }
+ if (prefix(cmd, "ignore") || prefix(cmd, "delete")) {
+ dkselect(args, 0, dk_select);
+ return (1);
+ }
+ if (prefix(cmd, "drives")) {
+ register int i;
+
+ move(CMDLINE, 0); clrtoeol();
+ for (i = 0; i < dk_ndrive; i++)
+ if (dk_mspw[i] != 0.0)
+ printw("%s ", dr_name[i]);
+ return (1);
+ }
+ return (0);
+}
+
+static void
+dkselect(args, truefalse, selections)
+ char *args;
+ int truefalse, selections[];
+{
+ register char *cp;
+ register int i;
+ char *index();
+
+ cp = index(args, '\n');
+ if (cp)
+ *cp = '\0';
+ for (;;) {
+ for (cp = args; *cp && isspace(*cp); cp++)
+ ;
+ args = cp;
+ for (; *cp && !isspace(*cp); cp++)
+ ;
+ if (*cp)
+ *cp++ = '\0';
+ if (cp - args == 0)
+ break;
+ for (i = 0; i < dk_ndrive; i++)
+ if (strcmp(args, dr_name[i]) == 0) {
+ if (dk_mspw[i] != 0.0)
+ selections[i] = truefalse;
+ else
+ error("%s: drive not configured",
+ dr_name[i]);
+ break;
+ }
+ if (i >= dk_ndrive)
+ error("%s: unknown drive", args);
+ args = cp;
+ }
+}