Sorry, let me split this into smaller diffs to ease review.
First up, the diff below removes a redundant cast: buf is declared a
char * so there's no need to cast it to a char *. I noticed the same
issue in ufs.c, too, so fix it in both places.
Index: ufs.c
===================================================================
RCS file: /work/cvsroot/src/sys/lib/libsa/ufs.c,v
retrieving revision 1.22
diff -p -u -r1.22 ufs.c
--- ufs.c 30 May 2013 19:19:09 -0000 1.22
+++ ufs.c 21 Jul 2014 22:30:32 -0000
@@ -502,7 +502,7 @@ ufs_open(char *path, struct open_file *f
if (rc)
goto out;
- bcopy((char *)buf, namebuf, (unsigned)link_len);
+ bcopy(buf, namebuf, (unsigned)link_len);
}
/*
Index: ufs2.c
===================================================================
RCS file: /work/cvsroot/src/sys/lib/libsa/ufs2.c,v
retrieving revision 1.2
diff -p -u -r1.2 ufs2.c
--- ufs2.c 29 Apr 2014 07:52:06 -0000 1.2
+++ ufs2.c 21 Jul 2014 22:30:48 -0000
@@ -498,7 +498,7 @@ ufs2_open(char *path, struct open_file *
if (rc)
goto out;
- bcopy((char *)buf, namebuf, (unsigned)link_len);
+ bcopy(buf, namebuf, (unsigned)link_len);
}
/*
On Wed, Jul 16, 2014 at 05:55:55PM -0500, Kent R. Spillner wrote:
> *Bump*
>
> > On Jul 10, 2014, at 12:33, "Kent R. Spillner" <kspill...@acm.org> wrote:
> >
> > Ping.
> >
> >> On Thu, May 01, 2014 at 01:22:56PM -0500, Kent R. Spillner wrote:
> >> After sending my previous reply I noticed that you already committed
> >> your diff, so here are my comments again in the form of a proper diff:
> >>
> >> * Use NULL instead of casting 0 to pointer types
> >>
> >> * Remove unnecessary (char *) cast on buf because buf was already
> >> declared as char *
> >>
> >> * Simplify "if ((rc = ...) != 0)" idiom to equivalent "if ((rc = ...))"
> >>
> >>
> >> Index: sys/lib/libsa/ufs2.c
> >> ===================================================================
> >> RCS file: /work/cvsroot/src/sys/lib/libsa/ufs2.c,v
> >> retrieving revision 1.2
> >> diff -p -u -r1.2 ufs2.c
> >> --- sys/lib/libsa/ufs2.c 29 Apr 2014 07:52:06 -0000 1.2
> >> +++ sys/lib/libsa/ufs2.c 1 May 2014 16:54:25 -0000
> >> @@ -217,7 +217,7 @@ block_map(struct open_file *f, daddr_t f
> >> }
> >>
> >> if (fp->f_blkno[level] != ind_block_num) {
> >> - if (fp->f_blk[level] == (char *)0)
> >> + if (fp->f_blk[level] == NULL)
> >> fp->f_blk[level] =
> >> alloc(fs->fs_bsize);
> >> twiddle();
> >> @@ -269,7 +269,7 @@ buf_read_file(struct open_file *f, char
> >> if (rc)
> >> return (rc);
> >>
> >> - if (fp->f_buf == (char *)0)
> >> + if (fp->f_buf == NULL)
> >> fp->f_buf = alloc(fs->fs_bsize);
> >>
> >> if (disk_block == 0) {
> >> @@ -401,7 +401,7 @@ ufs2_open(char *path, struct open_file *
> >> }
> >>
> >> inumber = ROOTINO;
> >> - if ((rc = read_inode(inumber, f)) != 0)
> >> + if ((rc = read_inode(inumber, f)))
> >> goto out;
> >>
> >> cp = path;
> >> @@ -454,7 +454,7 @@ ufs2_open(char *path, struct open_file *
> >> /*
> >> * Open next component.
> >> */
> >> - if ((rc = read_inode(inumber, f)) != 0)
> >> + if ((rc = read_inode(inumber, f)))
> >> goto out;
> >>
> >> /*
> >> @@ -498,7 +498,7 @@ ufs2_open(char *path, struct open_file *
> >> if (rc)
> >> goto out;
> >>
> >> - bcopy((char *)buf, namebuf, (unsigned)link_len);
> >> + bcopy(buf, namebuf, (unsigned)link_len);
> >> }
> >>
> >> /*
> >> @@ -511,7 +511,7 @@ ufs2_open(char *path, struct open_file *
> >> else
> >> inumber = ROOTINO;
> >>
> >> - if ((rc = read_inode(inumber, f)) != 0)
> >> + if ((rc = read_inode(inumber, f)))
> >> goto out;
> >> }
> >> }
> >> @@ -534,8 +534,8 @@ ufs2_close(struct open_file *f)
> >> {
> >> struct file *fp = (struct file *)f->f_fsdata;
> >>
> >> - f->f_fsdata = (void *)0;
> >> - if (fp == (struct file *)0)
> >> + f->f_fsdata = NULL;
> >> + if (fp == NULL)
> >> return (0);
> >>
> >> return (ufs2_close_internal(fp));
> >> @@ -656,7 +656,7 @@ ufs2_readdir(struct open_file *f, char *
> >> }
> >>
> >> do {
> >> - if ((rc = buf_read_file(f, &buf, &buf_size)) != 0)
> >> + if ((rc = buf_read_file(f, &buf, &buf_size)))
> >> return rc;
> >>
> >> dp = (struct direct *)buf;
> >
>
