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Minor usability improvements to geom(8).

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Approved by:	re (kib)
MFC after:	2 weeks
Sponsored by:	DARPA, AFRL
This commit is contained in:
Edward Tomasz Napierala 2018-09-11 16:46:28 +00:00
parent d4eab13738
commit 112adef8ca
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=338589
1 changed files with 12 additions and 9 deletions
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21
sbin/geom/core/geom.c
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@ -145,8 +145,8 @@ usage(void)
{
if (class_name == NULL) {
errx(EXIT_FAILURE, "usage: %s <class> <command> [options]",
"geom");
fprintf(stderr, "usage: geom <class> <command> [options]\n");
exit(EXIT_FAILURE);
} else {
struct g_command *cmd;
const char *prefix;
@ -191,8 +191,7 @@ load_module(void)
/* Not present in kernel, try loading it. */
if (kldload(name2) < 0 || modfind(name1) < 0) {
if (errno != EEXIST) {
errx(EXIT_FAILURE,
"%s module not available!", name2);
err(EXIT_FAILURE, "cannot load %s", name2);
}
}
}
@ -460,7 +459,8 @@ run_command(int argc, char *argv[])
usage();
}
if (!std_available(cmd->gc_name)) {
warnx("Command '%s' not available.", argv[0]);
warnx("Command '%s' not available; "
"try 'load' first.", argv[0]);
exit(EXIT_FAILURE);
}
}
@ -644,7 +644,7 @@ get_class(int *argc, char ***argv)
/* If we can't load or list, it's not a class. */
if (!std_available("load") && !std_available("list"))
errx(EXIT_FAILURE, "Invalid class name.");
errx(EXIT_FAILURE, "Invalid class name '%s'.", class_name);
if (*argc < 1)
usage();
@ -806,7 +806,7 @@ std_list(struct gctl_req *req, unsigned flags __unused)
classp = find_class(&mesh, gclass_name);
if (classp == NULL) {
geom_deletetree(&mesh);
errx(EXIT_FAILURE, "Class %s not found.", gclass_name);
errx(EXIT_FAILURE, "Class '%s' not found.", gclass_name);
}
nargs = gctl_get_int(req, "nargs");
all = gctl_get_int(req, "all");
@ -814,8 +814,11 @@ std_list(struct gctl_req *req, unsigned flags __unused)
for (i = 0; i < nargs; i++) {
name = gctl_get_ascii(req, "arg%d", i);
gp = find_geom(classp, name);
if (gp == NULL)
errx(EXIT_FAILURE, "No such geom: %s.", name);
if (gp == NULL) {
errx(EXIT_FAILURE, "Class '%s' does not have "
"an instance named '%s'.",
gclass_name, name);
}
list_one_geom(gp);
}
} else {