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[src/trunk]: src/usr.sbin/puffs/mount_sysctlfs Add usage function, various co...
details: https://anonhg.NetBSD.org/src/rev/dab18e462a73
branches: trunk
changeset: 341584:dab18e462a73
user: christos <christos%NetBSD.org@localhost>
date: Thu Nov 12 16:51:18 2015 +0000
description:
Add usage function, various cosmetics; no functional change.
diffstat:
usr.sbin/puffs/mount_sysctlfs/sysctlfs.c | 114 ++++++++++++++++--------------
1 files changed, 61 insertions(+), 53 deletions(-)
diffs (210 lines):
diff -r f35901f758e4 -r dab18e462a73 usr.sbin/puffs/mount_sysctlfs/sysctlfs.c
--- a/usr.sbin/puffs/mount_sysctlfs/sysctlfs.c Thu Nov 12 15:28:07 2015 +0000
+++ b/usr.sbin/puffs/mount_sysctlfs/sysctlfs.c Thu Nov 12 16:51:18 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sysctlfs.c,v 1.17 2012/11/04 22:47:21 christos Exp $ */
+/* $NetBSD: sysctlfs.c,v 1.18 2015/11/12 16:51:18 christos Exp $ */
/*-
* Copyright (c) 2006, 2007 Antti Kantee. All Rights Reserved.
@@ -33,7 +33,7 @@
#include <sys/cdefs.h>
#ifndef lint
-__RCSID("$NetBSD: sysctlfs.c,v 1.17 2012/11/04 22:47:21 christos Exp $");
+__RCSID("$NetBSD: sysctlfs.c,v 1.18 2015/11/12 16:51:18 christos Exp $");
#endif /* !lint */
#include <sys/types.h>
@@ -98,8 +98,8 @@
*/
static int
sysctlfs_pathbuild(struct puffs_usermount *pu,
- const struct puffs_pathobj *parent, const struct puffs_pathobj *comp,
- size_t offset, struct puffs_pathobj *res)
+ const struct puffs_pathobj *parent, const struct puffs_pathobj *comp,
+ size_t offset, struct puffs_pathobj *res)
{
SfsName *sname;
size_t clen;
@@ -125,8 +125,8 @@
static int
sysctlfs_pathtransform(struct puffs_usermount *pu,
- const struct puffs_pathobj *p, const struct puffs_cn *pcn,
- struct puffs_pathobj *res)
+ const struct puffs_pathobj *p, const struct puffs_cn *pcn,
+ struct puffs_pathobj *res)
{
res->po_path = NULL;
@@ -145,7 +145,7 @@
static int
sysctlfs_pathcmp(struct puffs_usermount *pu, struct puffs_pathobj *po1,
- struct puffs_pathobj *po2, size_t clen, int checkprefix)
+ struct puffs_pathobj *po2, size_t clen, int checkprefix)
{
if (memcmp(po1->po_path, po2->po_path, clen * sizeof(int)) == 0)
@@ -180,48 +180,57 @@
else
pn = puffs_pn_nodewalk(pu, puffs_path_walkcmp, po);
- if (pn == NULL) {
- /*
- * don't know nodetype? query...
- *
- * XXX1: nothing really guarantees 0 is an invalid nodetype
- * XXX2: is there really no easier way of doing this? we
- * know the whole mib path
- */
- if (!nodetype) {
- sname = po->po_path;
- memcpy(myname, po->po_path, po->po_len * sizeof(int));
-
- memset(&qnode, 0, sizeof(qnode));
- qnode.sysctl_flags = SYSCTL_VERSION;
- myname[po->po_len-1] = CTL_QUERY;
+ if (pn == NULL)
+ return NULL;
+ /*
+ * don't know nodetype? query...
+ *
+ * XXX1: nothing really guarantees 0 is an invalid nodetype
+ * XXX2: is there really no easier way of doing this? we
+ * know the whole mib path
+ */
+ if (!nodetype) {
+ sname = po->po_path;
+ memcpy(myname, po->po_path, po->po_len * sizeof(myname[0]));
- sl = sizeof(sn);
- if (sysctl(myname, po->po_len, sn, &sl,
- &qnode, sizeof(qnode)) == -1)
- abort();
-
- for (i = 0; i < sl / sizeof(struct sysctlnode); i++) {
- if (sn[i].sysctl_num==(*sname)[po->po_len-1]) {
- nodetype = sn[i].sysctl_flags;
- break;
- }
+ memset(&qnode, 0, sizeof(qnode));
+ qnode.sysctl_flags = SYSCTL_VERSION;
+ myname[po->po_len-1] = CTL_QUERY;
+
+ sl = sizeof(sn);
+ if (sysctl(myname, po->po_len, sn, &sl,
+ &qnode, sizeof(qnode)) == -1)
+ abort();
+
+ for (i = 0; i < sl / sizeof(struct sysctlnode); i++) {
+ if (sn[i].sysctl_num == (*sname)[po->po_len-1]) {
+ nodetype = sn[i].sysctl_flags;
+ break;
}
- if (!nodetype)
- return NULL;
}
-
- sfs = emalloc(sizeof(struct sfsnode));
- sfs->sysctl_flags = nodetype;
- sfs->myid = nextid++;
-
- pn = puffs_pn_new(pu, sfs);
- assert(pn);
+ if (!nodetype)
+ return NULL;
}
+ sfs = emalloc(sizeof(*sfs));
+ sfs->sysctl_flags = nodetype;
+ sfs->myid = nextid++;
+
+ pn = puffs_pn_new(pu, sfs);
+ assert(pn);
+
return pn;
}
+static void __dead
+usage(void)
+{
+
+ fprintf(stderr, "Usage: %s [-o <mntopts>] sysctlfs mountpath",
+ getprogname());
+ exit(1);
+}
+
int
main(int argc, char *argv[])
{
@@ -235,8 +244,7 @@
setprogname(argv[0]);
if (argc < 2)
- errx(1, "usage: %s sysctlfs [-o mntopts] mountpath",
- getprogname());
+ usage();
mntflags = pflags = 0;
detach = 1;
@@ -245,7 +253,7 @@
case 'o':
mp = getmntopts(optarg, puffsmopts, &mntflags, &pflags);
if (mp == NULL)
- err(1, "getmntopts");
+ err(EXIT_FAILURE, "getmntopts");
freemntopts(mp);
break;
case 'r':
@@ -264,7 +272,7 @@
detach = 0;
if (argc != 2)
- errx(1, "usage: %s [-o mntopts] mountpath", getprogname());
+ usage();
PUFFSOP_INIT(pops);
@@ -284,7 +292,7 @@
pu = puffs_init(pops, _PATH_PUFFS, "sysctlfs", NULL, pflags);
if (pu == NULL)
- err(1, "puffs_init");
+ err(EXIT_FAILURE, "puffs_init");
puffs_set_pathbuild(pu, sysctlfs_pathbuild);
puffs_set_pathtransform(pu, sysctlfs_pathtransform);
@@ -294,24 +302,24 @@
puffs_setfhsize(pu, sizeof(struct sfsfid), PUFFS_FHFLAG_NFSV3);
if (sysctlfs_domount(pu) != 0)
- errx(1, "domount");
+ errx(EXIT_FAILURE, "domount");
if (detach)
if (puffs_daemon(pu, 1, 1) == -1)
- err(1, "puffs_daemon");
+ err(EXIT_FAILURE, "puffs_daemon");
#ifdef RUMP_ACTION
{
- extern int puffs_fakecc;
- puffs_fakecc = 1;
- rump_init();
+ extern int puffs_fakecc;
+ puffs_fakecc = 1;
+ rump_init();
}
#endif
if (puffs_mount(pu, argv[1], mntflags, puffs_getroot(pu)) == -1)
- err(1, "puffs_mount");
+ err(EXIT_FAILURE, "puffs_mount");
if (puffs_mainloop(pu) == -1)
- err(1, "mainloop");
+ err(EXIT_FAILURE, "mainloop");
return 0;
}
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