Replace old SAVE_USERCONFIG code with a customized version of Andrzej's

kget code.  Also collapse a redundant case in cdrom code.

1 files changed, 104 insertions, 0 deletions

diff --git a/usr.sbin/sysinstall/kget.c b/usr.sbin/sysinstall/kget.c
new file mode 100644
index 0000000..a71a25e
--- /dev/null
+++ b/usr.sbin/sysinstall/kget.c
@@ -0,0 +1,104 @@
+/*-
+ * Copyright (c) 1999 Andrzej Bialecki <abial@freebsd.org>
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $Id: kget.c,v 1.2 1999/01/19 23:15:56 abial Exp $
+ */
+
+#include "sysinstall.h"
+#include "i386/isa/isa_device.h"
+#include <sys/sysctl.h>
+
+int
+kget(char *out)
+{
+    int len, i, bytes_written = 0;
+    char *buf;
+    char *mib = "machdep.uc_devlist";
+    char name[9];
+    FILE *fout;
+    struct isa_device *id;
+    char *p;
+ 
+    fout = fopen(out, "w");
+    if (fout == NULL) {
+	msgDebug("kget: Unable to open %s for writing.\n", out);
+	return -1;
+    }
+
+    /* We use sysctlbyname, because the oid is unknown (OID_AUTO) */
+    /* get the buffer size */
+    i = sysctlbyname(mib, NULL, &len, NULL, NULL);
+    if (i) {
+	msgDebug("kget: error buffer sizing\n");
+	return -1;
+    }
+    buf = (char *)malloc(len * sizeof(char));
+    i = sysctlbyname(mib, buf, &len, NULL, NULL);
+    if (i) {
+	msgDebug("kget: error retrieving data\n");
+	return -1;
+    }
+    i = 0;
+    while (i < len) {
+	id = (struct isa_device *)(buf + i);
+	p = (buf + i + sizeof(struct isa_device));
+	strncpy(name, p, 8);
+	if (!id->id_enabled) {
+	    bytes_written += fprintf(fout, "di %s%d\n", name, id->id_unit);
+	} else {
+	    bytes_written += fprintf(fout, "en %s%d\n", name, id->id_unit);
+	    if (id->id_iobase > 0) {
+		bytes_written += fprintf(fout, "po %s%d %#x\n",
+					 name, id->id_unit, id->id_iobase);
+	    }
+	    if (id->id_irq > 0) {
+		bytes_written += fprintf(fout, "ir %s%d %d\n", name,
+					 id->id_unit, ffs(id->id_irq) - 1);
+	    }
+	    if (id->id_drq > 0) {
+		bytes_written += fprintf(fout, "dr %s%d %d\n", name,
+					 id->id_unit, id->id_drq);
+	    }
+	    if (id->id_maddr > 0) {
+		bytes_written += fprintf(fout, "iom %s%d %#x\n", name,
+					 id->id_unit, (u_int)id->id_maddr);
+	    }
+	    if (id->id_msize > 0) {
+		bytes_written += fprintf(fout, "ios %s%d %d\n", name,
+					 id->id_unit, id->id_msize);
+	    }
+	    bytes_written += fprintf(fout, "f %s%d %#x\n", name,
+				     id->id_unit, id->id_flags);
+	}
+	i += sizeof(struct isa_device) + 8;
+    }
+    if (bytes_written)
+	fprintf(fout, "q\n");
+    else
+        unlink(out);
+    fclose(fout);
+    free(buf);
+    return 0;
+}