1 files changed, 155 insertions, 0 deletions

diff --git a/usr.sbin/lsdev/lsdev.c b/usr.sbin/lsdev/lsdev.c
new file mode 100644
index 000000000000..168d76fff6b3
--- /dev/null
+++ b/usr.sbin/lsdev/lsdev.c
@@ -0,0 +1,155 @@
+#include "lsdev.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <err.h>
+#include <ctype.h>
+#include <string.h>
+
+const char *const devtypes[] = DEVTYPENAMES;
+int vflag = 0;
+const char *whoami;
+
+static void usage(void);
+static void badtype(const char *);
+static void badname(const char *);
+
+int 
+main(int argc, char **argv)
+{
+	struct devconf *dc = 0;
+	size_t size, osize;
+	int ndevs, i;
+	int mib[8];
+	int c;
+	int showonlytype = -1;
+	int showonlydev = 0;
+	char showonlydevclass[MAXDEVNAME];
+	int showonlydevunit = -1;
+
+	whoami = argv[0];
+
+	while((c = getopt(argc, argv, "t:v")) != EOF) {
+		switch(c) {
+		case 't':
+			showonlytype = findtype(optarg);
+			if(showonlytype < 0)
+				badtype(optarg);
+			break;
+		case 'v':
+			vflag++;
+			break;
+		default:
+			usage();
+			break;
+		}
+	}
+
+	if(argc - optind > 1) {
+		usage();
+	}
+
+	if(argv[optind]) {
+		char *s = &argv[optind][strlen(argv[optind])];
+
+		if(s - argv[optind] > MAXDEVNAME)
+			badname(argv[optind]);
+		s--;		/* step over null */
+		while(s > argv[optind] && isdigit(*s))
+			s--;
+		s++;
+		if(*s) {
+			showonlydevunit = atoi(s);
+			*s = '\0';
+		} else {
+			showonlydevunit = -1;
+		}
+
+		strcpy(showonlydevclass, argv[optind]);
+		showonlydev = 1;
+	}
+
+	mib[0] = CTL_HW;
+	mib[1] = HW_DEVCONF;
+	mib[2] = DEVCONF_NUMBER;
+	
+	size = sizeof ndevs;
+	if(sysctl(mib, 3, &ndevs, &size, 0, 0) < 0) {
+		err(1, "sysctl(hw.devconf.number)");
+	}
+	osize = 0;
+	
+	for(i = 1; i <= ndevs; i++) {
+		mib[2] = i;
+		if(sysctl(mib, 3, 0, &size, 0, 0) < 0) {
+			/*
+			 * Probably a deleted device; just go on to the next
+			 * one.
+			 */
+			continue;
+		}
+		if(size > osize) {
+			dc = realloc(dc, size);
+			if(!dc) {
+				err(2, "realloc(%lu)", (unsigned long)size);
+			}
+		}
+		if(sysctl(mib, 3, dc, &size, 0, 0) < 0) {
+			err(1, "sysctl(hw.devconf.%d)", i);
+		}
+		if(!showonlydev && showonlytype < 0) {
+			print(dc);
+		} else if(showonlydev) {
+			if(!strcmp(showonlydevclass, dc->dc_name)
+			   && (showonlydevunit < 0 || 
+			       showonlydevunit == dc->dc_unit))
+				print(dc);
+		} else if(showonlytype == dc->dc_devtype) {
+			print(dc);
+		}
+		osize = size;
+	}
+	return 0;
+}
+
+static void
+usage(void)
+{
+	fprintf(stderr,
+		"usage:\n"
+		"\t%s [-t type] [-v] [name]\n",
+		whoami);
+	exit(-1);
+}
+
+int
+findtype(const char *name)
+{
+	int i;
+	for(i = 0; devtypes[i]; i++) {
+		if(!strcmp(name, devtypes[i]))
+			return i;
+	}
+	return -1;
+}
+
+static void
+badtype(const char *name)
+{
+	int i;
+
+	fprintf(stderr,
+		"%s: invalid device type `%s'\n", whoami, name);
+	fprintf(stderr,
+		"%s: valid types are: ", whoami);
+	for(i = 0; devtypes[i]; i++) {
+		fprintf(stderr, "%s`%s'", i ? ", " : "", devtypes[i]);
+	}
+	fputs(".\n", stderr);
+	exit(-1);
+}
+
+static void
+badname(const char *name)
+{
+	errx(3, "invalid device name `%s'", name);
+}