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Implement the -l and -r options for gpart show.

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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.
This commit is contained in:
Marcel Moolenaar 2008-06-13 00:04:10 +00:00
parent 98fbfcd632
commit 5a96f8396d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=179769
1 changed files with 32 additions and 6 deletions
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38
sbin/geom/class/part/geom_part.c
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@ -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);