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[src/trunk]: src/bin/df - static/__dead
details: https://anonhg.NetBSD.org/src/rev/3cff62c92c09
branches: trunk
changeset: 768867:3cff62c92c09
user: christos <christos%NetBSD.org@localhost>
date: Sun Aug 28 08:20:58 2011 +0000
description:
- static/__dead
- use strpct from libutil
- fix off by one in format
diffstat:
bin/df/Makefile | 8 +-
bin/df/df.c | 115 ++++++++++++++++++++++++-------------------------------
2 files changed, 55 insertions(+), 68 deletions(-)
diffs (278 lines):
diff -r 0c9e751af081 -r 3cff62c92c09 bin/df/Makefile
--- a/bin/df/Makefile Sun Aug 28 08:20:29 2011 +0000
+++ b/bin/df/Makefile Sun Aug 28 08:20:58 2011 +0000
@@ -1,11 +1,11 @@
-# $NetBSD: Makefile,v 1.18 2011/08/14 10:53:17 christos Exp $
+# $NetBSD: Makefile,v 1.19 2011/08/28 08:20:58 christos Exp $
# @(#)Makefile 8.3 (Berkeley) 5/8/95
.include <bsd.own.mk>
PROG= df
-.PATH: ${NETBSDSRCDIR}/bin/csh
-SRCS= df.c strpct.c
-COPTS.strpct.c = -Wno-format-nonliteral
+
+LDADD+=-lutil
+DPADD+=${LIBUTIL}
.include <bsd.prog.mk>
diff -r 0c9e751af081 -r 3cff62c92c09 bin/df/df.c
--- a/bin/df/df.c Sun Aug 28 08:20:29 2011 +0000
+++ b/bin/df/df.c Sun Aug 28 08:20:58 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: df.c,v 1.86 2009/06/06 09:30:45 mlelstv Exp $ */
+/* $NetBSD: df.c,v 1.87 2011/08/28 08:20:58 christos Exp $ */
/*
* Copyright (c) 1980, 1990, 1993, 1994
@@ -45,7 +45,7 @@
#if 0
static char sccsid[] = "@(#)df.c 8.7 (Berkeley) 4/2/94";
#else
-__RCSID("$NetBSD: df.c,v 1.86 2009/06/06 09:30:45 mlelstv Exp $");
+__RCSID("$NetBSD: df.c,v 1.87 2011/08/28 08:20:58 christos Exp $");
#endif
#endif /* not lint */
@@ -63,25 +63,20 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
-
-extern char *strpct(u_long, u_long, u_int);
+#include <util.h>
-int main(int, char *[]);
-int bread(off_t, void *, int);
-char *getmntpt(char *);
-void prtstat(struct statvfs *, int);
-int selected(const char *, size_t);
-void maketypelist(char *);
-long regetmntinfo(struct statvfs **, long);
-void usage(void);
-void prthumanval(int64_t, const char *);
-void prthuman(struct statvfs *, int64_t, int64_t);
-const char *
- strpct64(uint64_t, uint64_t, u_int);
+static char *getmntpt(const char *);
+static void prtstat(struct statvfs *, int);
+static int selected(const char *, size_t);
+static void maketypelist(char *);
+static size_t regetmntinfo(struct statvfs **, size_t);
+__dead static void usage(void);
+static void prthumanval(int64_t, const char *);
+static void prthuman(struct statvfs *, int64_t, int64_t);
-int aflag, gflag, hflag, iflag, lflag, nflag, Pflag;
-long usize = 0;
-char **typelist = NULL;
+static int aflag, gflag, hflag, iflag, lflag, nflag, Pflag;
+static long usize;
+static char **typelist;
int
main(int argc, char *argv[])
@@ -212,44 +207,45 @@
}
for (i = 0; i < mntsize; i++)
prtstat(&mntbuf[i], maxwidth);
- exit(0);
- /* NOTREACHED */
+ return 0;
}
-char *
-getmntpt(char *name)
+static char *
+getmntpt(const char *name)
{
- long mntsize, i;
+ size_t mntsize, i;
struct statvfs *mntbuf;
mntsize = getmntinfo(&mntbuf, MNT_NOWAIT);
+ if (mntsize == 0)
+ err(EXIT_FAILURE, "Can't get mount information");
for (i = 0; i < mntsize; i++) {
if (!strcmp(mntbuf[i].f_mntfromname, name))
- return (mntbuf[i].f_mntonname);
+ return mntbuf[i].f_mntonname;
}
- return (0);
+ return 0;
}
static enum { IN_LIST, NOT_IN_LIST } which;
-int
+static int
selected(const char *type, size_t len)
{
char **av;
/* If no type specified, it's always selected. */
if (typelist == NULL)
- return (1);
+ return 1;
for (av = typelist; *av != NULL; ++av)
if (!strncmp(type, *av, len))
- return (which == IN_LIST ? 1 : 0);
- return (which == IN_LIST ? 0 : 1);
+ return which == IN_LIST ? 1 : 0;
+ return which == IN_LIST ? 0 : 1;
}
-void
+static void
maketypelist(char *fslist)
{
- int i;
+ size_t i;
char *nextcp, **av;
if ((fslist == NULL) || (fslist[0] == '\0'))
@@ -272,7 +268,7 @@
++nextcp;
/* Build an array of that many types. */
- if ((av = typelist = malloc((i + 1) * sizeof(char *))) == NULL)
+ if ((av = typelist = malloc((i + 1) * sizeof(*av))) == NULL)
err(EXIT_FAILURE, "can't allocate type array");
av[0] = fslist;
for (i = 1, nextcp = fslist;
@@ -289,14 +285,14 @@
* filesystem types not in ``fsmask'' and possibly re-stating to get
* current (not cached) info. Returns the new count of valid statvfs bufs.
*/
-long
-regetmntinfo(struct statvfs **mntbufp, long mntsize)
+static size_t
+regetmntinfo(struct statvfs **mntbufp, size_t mntsize)
{
- int i, j;
+ size_t i, j;
struct statvfs *mntbuf;
if (!lflag && typelist == NULL && aflag)
- return (nflag ? mntsize : getmntinfo(mntbufp, MNT_WAIT));
+ return nflag ? mntsize : (size_t)getmntinfo(mntbufp, MNT_WAIT);
mntbuf = *mntbufp;
j = 0;
@@ -323,10 +319,10 @@
}
j++;
}
- return (j);
+ return j;
}
-void
+static void
prthumanval(int64_t bytes, const char *pad)
{
char buf[6];
@@ -338,7 +334,7 @@
(void)printf("%s %6s", pad, buf);
}
-void
+static void
prthuman(struct statvfs *sfsp, int64_t used, int64_t bavail)
{
@@ -359,16 +355,17 @@
/*
* Print out status about a filesystem.
*/
-void
+static void
prtstat(struct statvfs *sfsp, int maxwidth)
{
static long blocksize;
static int headerlen, timesthrough;
static const char *header;
- static const char full[] = "100%";
- static const char empty[] = " 0%";
+ static const char full[] = "100";
+ static const char empty[] = " 0";
int64_t used, availblks, inodes;
int64_t bavail;
+ char pb[64];
if (gflag) {
/*
@@ -451,9 +448,10 @@
(void)printf("Filesystem %s Used Available Capacity "
"Mounted on\n", header);
} else {
+ printf("%d %d\n", maxwidth, headerlen);
(void)printf("%-*.*s %s Used Avail %%Cap",
- maxwidth - (headerlen - 9),
- maxwidth - (headerlen - 9),
+ maxwidth - (headerlen - 10),
+ maxwidth - (headerlen - 10),
"Filesystem", header);
if (iflag)
(void)printf(" iUsed iAvail %%iCap");
@@ -471,13 +469,13 @@
* <space used>, <space free>, <percentage used>,
* <file system root>
*/
- (void)printf("%s %" PRId64 " %" PRId64 " %" PRId64 " %s %s\n",
+ (void)printf("%s %" PRId64 " %" PRId64 " %" PRId64 " %s%% %s\n",
sfsp->f_mntfromname,
fsbtoblk(sfsp->f_blocks, sfsp->f_frsize, blocksize),
fsbtoblk(used, sfsp->f_frsize, blocksize),
fsbtoblk(bavail, sfsp->f_frsize, blocksize),
- availblks == 0 ? full : strpct64((uint64_t) used,
- (uint64_t) availblks, 0), sfsp->f_mntonname);
+ availblks == 0 ? full : strpct(pb, sizeof(pb), used,
+ availblks, 0), sfsp->f_mntonname);
/*
* another concession by the structured programming police to
* the indentation police....
@@ -496,22 +494,22 @@
fsbtoblk(sfsp->f_blocks, sfsp->f_frsize, blocksize),
fsbtoblk(used, sfsp->f_frsize, blocksize),
fsbtoblk(bavail, sfsp->f_frsize, blocksize));
- (void)printf(" %4s",
+ (void)printf(" %3s%%",
availblks == 0 ? full :
/* We know that these values are never negative */
- strpct64((uint64_t)used, (uint64_t)availblks, 0));
+ strpct(pb, sizeof(pb), used, availblks, 0));
if (iflag) {
inodes = sfsp->f_files;
used = inodes - sfsp->f_ffree;
- (void)printf(" %8jd %8jd %4s",
+ (void)printf(" %8jd %8jd %3s%%",
(intmax_t)used, (intmax_t)sfsp->f_ffree,
inodes == 0 ? (used == 0 ? empty : full) :
- strpct64((uint64_t)used, (uint64_t)inodes, 0));
+ strpct(pb, sizeof(pb), used, inodes, 0));
}
(void)printf(" %s\n", sfsp->f_mntonname);
}
-void
+static void
usage(void)
{
@@ -522,14 +520,3 @@
exit(1);
/* NOTREACHED */
}
-
-const char *
-strpct64(uint64_t numerator, uint64_t denominator, u_int digits)
-{
-
- while (denominator > ULONG_MAX) {
- numerator >>= 1;
- denominator >>= 1;
- }
- return (strpct((u_long)numerator, (u_long)denominator, digits));
-}
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