[src/trunk]: src/sbin/mount_qemufwcfg more cleanups, const

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/df7722a1559e
branches:  trunk
changeset: 357762:df7722a1559e
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Nov 26 03:51:45 2017 +0000

description:
more cleanups, const

diffstat:

 sbin/mount_qemufwcfg/virtdir.c |  26 +++++++++++++-------------
 sbin/mount_qemufwcfg/virtdir.h |  10 ++++++----
 2 files changed, 19 insertions(+), 17 deletions(-)

diffs (121 lines):

diff -r 545ae69eecf0 -r df7722a1559e sbin/mount_qemufwcfg/virtdir.c
--- a/sbin/mount_qemufwcfg/virtdir.c    Sun Nov 26 03:06:24 2017 +0000
+++ b/sbin/mount_qemufwcfg/virtdir.c    Sun Nov 26 03:51:45 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: virtdir.c,v 1.2 2017/11/26 03:06:24 christos Exp $ */
+/* $NetBSD: virtdir.c,v 1.3 2017/11/26 03:51:45 christos Exp $ */
 
 /*
  * Copyright © 2007 Alistair Crooks.  All rights reserved.
@@ -44,8 +44,8 @@
 static int
 compare(const void *vp1, const void *vp2)
 {
-       const virt_dirent_t *tp1 = (const virt_dirent_t *) vp1;
-       const virt_dirent_t *tp2 = (const virt_dirent_t *) vp2;
+       const virt_dirent_t *tp1 = vp1;
+       const virt_dirent_t *tp2 = vp2;
 
        return strcmp(tp1->name, tp2->name);
 }
@@ -60,7 +60,7 @@
 
        (void) strlcpy(name, path, sizeof(name));
        for (slash = name + 1 ; (slash = strchr(slash + 1, '/')) != NULL ; ) {
-               *slash = 0x0;
+               *slash = '\0';
                if ((ep = virtdir_find(tp, name, strlen(name))) == NULL) {
                        virtdir_add(tp, name, strlen(name), 'd', NULL, 0, 0);
                }
@@ -101,7 +101,8 @@
 
 /* initialise the tree */
 int
-virtdir_init(virtdir_t *tp, const char *rootdir, struct stat *d, struct stat *f, struct stat *l)
+virtdir_init(virtdir_t *tp, const char *rootdir, const struct stat *d,
+    const struct stat *f, const struct stat *l)
 {
        tp->dir = *d;
        tp->dir.st_mode = S_IFDIR | 0755;
@@ -120,7 +121,8 @@
 
 /* add an entry to the tree */
 int
-virtdir_add(virtdir_t *tp, const char *name, size_t size, uint8_t type, const char *tgt, size_t tgtlen, uint16_t select)
+virtdir_add(virtdir_t *tp, const char *name, size_t size, uint8_t type,
+    const char *tgt, size_t tgtlen, uint16_t select)
 {
        char            path[MAXPATHLEN];
        size_t          pathlen;
@@ -131,13 +133,11 @@
                return 0;
        }
        if (tp->c == tp->size || tp->size == 0) {
-               tp->size += 10,
+               tp->size += 10;
                tp->v = erealloc(tp->v, tp->size * sizeof(*tp->v));
        }
        tp->v[tp->c].namelen = pathlen;
-       if ((tp->v[tp->c].name = estrndup(path, pathlen)) == NULL) {
-               return 0;
-       }
+       tp->v[tp->c].name = estrndup(path, pathlen);
        tp->v[tp->c].d_name = strrchr(tp->v[tp->c].name, '/') + 1;
        tp->v[tp->c].type = type;
        tp->v[tp->c].ino = (ino_t) random() & 0xfffff;
@@ -159,7 +159,7 @@
        virt_dirent_t   e;
        char            path[MAXPATHLEN];
 
-       (void) memset(&e, 0x0, sizeof(e));
+       (void) memset(&e, 0, sizeof(e));
        e.namelen = normalise(name, namelen, path, sizeof(path));
        e.name = path;
        return bsearch(&e, tp->v, tp->c, sizeof(tp->v[0]), compare);
@@ -167,7 +167,7 @@
 
 /* return the virtual offset in the tree */
 off_t
-virtdir_offset(virtdir_t *tp, virt_dirent_t *dp)
+virtdir_offset(const virtdir_t *tp, const virt_dirent_t *dp)
 {
        return dp - tp->v;
 }
@@ -194,7 +194,7 @@
 {
        char    *from;
 
-       for ( ; dirp->i < dirp->tp->c ; dirp->i++) {
+       for ( ; dirp->i < dirp->tp->c; dirp->i++) {
                from = (strcmp(dirp->dirname, "/") == 0) ?
                    &dirp->tp->v[dirp->i].name[1] :
                    &dirp->tp->v[dirp->i].name[dirp->dirnamelen + 1];
diff -r 545ae69eecf0 -r df7722a1559e sbin/mount_qemufwcfg/virtdir.h
--- a/sbin/mount_qemufwcfg/virtdir.h    Sun Nov 26 03:06:24 2017 +0000
+++ b/sbin/mount_qemufwcfg/virtdir.h    Sun Nov 26 03:51:45 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: virtdir.h,v 1.2 2017/11/26 03:06:24 christos Exp $ */
+/* $NetBSD: virtdir.h,v 1.3 2017/11/26 03:51:45 christos Exp $ */
 
 /*
  * Copyright © 2007 Alistair Crooks.  All rights reserved.
@@ -66,14 +66,16 @@
        size_t           i;             /* current offset in dir tree */
 } VIRTDIR;
 
-int virtdir_init(virtdir_t *, const char *, struct stat *, struct stat *, struct stat *);
-int virtdir_add(virtdir_t *, const char *, size_t, uint8_t, const char *, size_t, uint16_t);
+int virtdir_init(virtdir_t *, const char *, const struct stat *,
+    const struct stat *, const struct stat *);
+int virtdir_add(virtdir_t *, const char *, size_t, uint8_t, const char *,
+    size_t, uint16_t);
 virt_dirent_t *virtdir_find(virtdir_t *, const char *, size_t);
 
 VIRTDIR *openvirtdir(virtdir_t *, const char *);
 virt_dirent_t *readvirtdir(VIRTDIR *);
 void closevirtdir(VIRTDIR *);
 
-off_t virtdir_offset(virtdir_t *, virt_dirent_t *);
+off_t virtdir_offset(const virtdir_t *, const virt_dirent_t *);
 
 #endif