From 5a96f8396d4a58be9ddcbda01dfb848ec08a874d Mon Sep 17 00:00:00 2001
From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Fri, 13 Jun 2008 00:04:10 +0000
Subject: [PATCH] Implement the -l and -r options for gpart show. The -l option
 changes the output to show the partition label, if applicable and when
 present. The -r option changes the output to show the raw (i.e.
 scheme-specific) partition types.

---
 sbin/geom/class/part/geom_part.c | 38 +++++++++++++++++++++++++++-----
 1 file changed, 32 insertions(+), 6 deletions(-)

diff --git a/sbin/geom/class/part/geom_part.c b/sbin/geom/class/part/geom_part.c
index 58dbc3c1c07a..87be834da809 100644
--- a/sbin/geom/class/part/geom_part.c
+++ b/sbin/geom/class/part/geom_part.c
@@ -108,7 +108,12 @@ struct g_command PUBSYM(class_commands)[] = {
 		G_OPT_SENTINEL },
 	  "geom", NULL
 	},
-	{ "show", 0, gpart_show, G_NULL_OPTS, NULL, "[geom ...]" },
+	{ "show", 0, gpart_show, {
+		{ 'l', "show_label", NULL, G_TYPE_BOOL },
+		{ 'r', "show_rawtype", NULL, G_TYPE_BOOL },
+		G_OPT_SENTINEL },
+	  NULL, "[-lr] [geom ...]"
+	},
 	{ "undo", 0, NULL, G_NULL_OPTS, "geom", NULL },
 	G_CMD_SENTINEL
 };
@@ -202,7 +207,7 @@ fmtsize(long double rawsz)
 }
 
 static void
-gpart_show_geom(struct ggeom *gp)
+gpart_show_geom(struct ggeom *gp, const char *element)
 {
 	struct gprovider *pp;
 	const char *s, *scheme;
@@ -242,7 +247,7 @@ gpart_show_geom(struct ggeom *gp)
 		printf("  %*llu  %*llu  %*d  %s  (%s)\n",
 		    wblocks, sector, wblocks, end - sector,
 		    wname, idx,
-		    find_provcfg(pp, "type"), fmtsize(pp->lg_mediasize));
+		    find_provcfg(pp, element), fmtsize(pp->lg_mediasize));
 		first = end;
 	}
 	if (first <= last) {
@@ -254,15 +259,36 @@ gpart_show_geom(struct ggeom *gp)
 	printf("\n");
 }
 
+static int
+gpart_show_hasopt(struct gctl_req *req, const char *opt, const char *elt)
+{
+
+	if (!gctl_get_int(req, opt))
+		return (0);
+
+	if (elt != NULL)
+		errx(EXIT_FAILURE, "-l and -r are mutually exclusive");
+
+	return (1);
+}
+
 static void
 gpart_show(struct gctl_req *req, unsigned int fl __unused)
 {
 	struct gmesh mesh;
 	struct gclass *classp;
 	struct ggeom *gp;
-	const char *name;
+	const char *element, *name;
 	int error, i, nargs;
 
+	element = NULL;
+	if (gpart_show_hasopt(req, "show_label", element))
+		element = "label";
+	if (gpart_show_hasopt(req, "show_rawtype", element))
+		element = "rawtype";
+	if (element == NULL)
+		element = "type";
+
 	name = gctl_get_ascii(req, "class");
 	if (name == NULL)
 		abort();
@@ -280,13 +306,13 @@ gpart_show(struct gctl_req *req, unsigned int fl __unused)
 			name = gctl_get_ascii(req, "arg%d", i);
 			gp = find_geom(classp, name);
 			if (gp != NULL)
-				gpart_show_geom(gp);
+				gpart_show_geom(gp, element);
 			else
 				errx(EXIT_FAILURE, "No such geom: %s.", name);
 		}
 	} else {
 		LIST_FOREACH(gp, &classp->lg_geom, lg_geom) {
-			gpart_show_geom(gp);
+			gpart_show_geom(gp, element);
 		}
 	}
 	geom_deletetree(&mesh);