Convert to use libxo.
Obtained from: Phil Shafer <phil@juniper.net> Sponsored by: Juniper Networks, Inc.
This commit is contained in:
marcel
parent
9563d535f7
commit
7bcc35805f
@ -9,7 +9,7 @@ SRCS= df.c vfslist.c
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CFLAGS+= -I${MOUNT}
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DPADD= ${LIBUTIL}
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LDADD= -lutil
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DPADD= ${LIBUTIL} ${LIBXO}
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LDADD= -lutil -lxo
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.include <bsd.prog.mk>
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124
bin/df/df.c
124
bin/df/df.c
@ -60,6 +60,7 @@ __FBSDID("$FreeBSD$");
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#include <string.h>
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#include <sysexits.h>
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#include <unistd.h>
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#include <libxo/xo.h>
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#include "extern.h"
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@ -82,7 +83,7 @@ static char *getmntpt(const char *);
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static int int64width(int64_t);
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static char *makenetvfslist(void);
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static void prthuman(const struct statfs *, int64_t);
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static void prthumanval(int64_t);
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static void prthumanval(const char *, int64_t);
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static intmax_t fsbtoblk(int64_t, uint64_t, u_long);
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static void prtstat(struct statfs *, struct maxwidths *);
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static size_t regetmntinfo(struct statfs **, long, const char **);
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@ -119,6 +120,11 @@ main(int argc, char *argv[])
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totalbuf.f_bsize = DEV_BSIZE;
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strlcpy(totalbuf.f_mntfromname, "total", MNAMELEN);
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vfslist = NULL;
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argc = xo_parse_args(argc, argv);
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if (argc < 0)
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exit(1);
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while ((ch = getopt(argc, argv, "abcgHhiklmnPt:T,")) != -1)
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switch (ch) {
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case 'a':
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@ -161,7 +167,7 @@ main(int argc, char *argv[])
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break;
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case 'l':
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if (vfslist != NULL)
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errx(1, "-l and -t are mutually exclusive.");
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xo_errx(1, "-l and -t are mutually exclusive.");
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vfslist = makevfslist(makenetvfslist());
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lflag = 1;
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break;
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@ -174,9 +180,9 @@ main(int argc, char *argv[])
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break;
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case 't':
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if (lflag)
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errx(1, "-l and -t are mutually exclusive.");
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xo_errx(1, "-l and -t are mutually exclusive.");
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if (vfslist != NULL)
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errx(1, "only one -t option may be specified");
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xo_errx(1, "only one -t option may be specified");
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fstype = optarg;
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vfslist = makevfslist(optarg);
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break;
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@ -202,16 +208,19 @@ main(int argc, char *argv[])
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/* just the filesystems specified on the command line */
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mntbuf = malloc(argc * sizeof(*mntbuf));
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if (mntbuf == NULL)
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err(1, "malloc()");
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xo_err(1, "malloc()");
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mntsize = 0;
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/* continued in for loop below */
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}
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xo_open_container("storage-system-information");
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xo_open_list("filesystem");
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/* iterate through specified filesystems */
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for (; *argv; argv++) {
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if (stat(*argv, &stbuf) < 0) {
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if ((mntpt = getmntpt(*argv)) == NULL) {
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warn("%s", *argv);
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xo_warn("%s", *argv);
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rv = 1;
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continue;
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}
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@ -220,20 +229,20 @@ main(int argc, char *argv[])
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mdev.fspec = *argv;
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mntpath = strdup("/tmp/df.XXXXXX");
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if (mntpath == NULL) {
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warn("strdup failed");
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xo_warn("strdup failed");
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rv = 1;
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continue;
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}
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mntpt = mkdtemp(mntpath);
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if (mntpt == NULL) {
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warn("mkdtemp(\"%s\") failed", mntpath);
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xo_warn("mkdtemp(\"%s\") failed", mntpath);
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rv = 1;
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free(mntpath);
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continue;
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}
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if (mount(fstype, mntpt, MNT_RDONLY,
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&mdev) != 0) {
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warn("%s", *argv);
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xo_warn("%s", *argv);
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rv = 1;
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(void)rmdir(mntpt);
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free(mntpath);
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@ -244,7 +253,7 @@ main(int argc, char *argv[])
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if (cflag)
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addstat(&totalbuf, &statfsbuf);
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} else {
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warn("%s", *argv);
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xo_warn("%s", *argv);
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rv = 1;
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}
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(void)unmount(mntpt, 0);
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@ -260,7 +269,7 @@ main(int argc, char *argv[])
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* implement nflag here.
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*/
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if (statfs(mntpt, &statfsbuf) < 0) {
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warn("%s", mntpt);
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xo_warn("%s", mntpt);
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rv = 1;
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continue;
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}
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@ -294,8 +303,14 @@ main(int argc, char *argv[])
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for (i = 0; i < mntsize; i++)
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if (aflag || (mntbuf[i].f_flags & MNT_IGNORE) == 0)
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prtstat(&mntbuf[i], &maxwidths);
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xo_close_list("filesystem");
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if (cflag)
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prtstat(&totalbuf, &maxwidths);
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xo_close_container("storage-system-information");
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xo_finish();
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return (rv);
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}
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@ -341,7 +356,7 @@ regetmntinfo(struct statfs **mntbufp, long mntsize, const char **vfslist)
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if (nflag || error < 0)
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if (i != j) {
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if (error < 0)
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warnx("%s stats possibly stale",
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xo_warnx("%s stats possibly stale",
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mntbuf[i].f_mntonname);
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mntbuf[j] = mntbuf[i];
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}
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@ -354,13 +369,13 @@ static void
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prthuman(const struct statfs *sfsp, int64_t used)
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{
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prthumanval(sfsp->f_blocks * sfsp->f_bsize);
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prthumanval(used * sfsp->f_bsize);
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prthumanval(sfsp->f_bavail * sfsp->f_bsize);
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prthumanval(" {:blocks/%6s}", sfsp->f_blocks * sfsp->f_bsize);
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prthumanval(" {:used/%6s}", used * sfsp->f_bsize);
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prthumanval(" {:available/%6s}", sfsp->f_bavail * sfsp->f_bsize);
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}
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static void
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prthumanval(int64_t bytes)
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prthumanval(const char *fmt, int64_t bytes)
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{
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char buf[6];
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int flags;
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@ -372,14 +387,15 @@ prthumanval(int64_t bytes)
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humanize_number(buf, sizeof(buf) - (bytes < 0 ? 0 : 1),
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bytes, "", HN_AUTOSCALE, flags);
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(void)printf(" %6s", buf);
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xo_attr("value", "%lld", (long long) bytes);
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xo_emit(fmt, buf);
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}
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/*
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* Print an inode count in "human-readable" format.
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*/
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static void
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prthumanvalinode(int64_t bytes)
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prthumanvalinode(const char *fmt, int64_t bytes)
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{
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char buf[6];
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int flags;
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@ -389,7 +405,8 @@ prthumanvalinode(int64_t bytes)
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humanize_number(buf, sizeof(buf) - (bytes < 0 ? 0 : 1),
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bytes, "", HN_AUTOSCALE, flags);
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(void)printf(" %5s", buf);
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xo_attr("value", "%lld", (long long) bytes);
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xo_emit(fmt, buf);
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}
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/*
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@ -434,70 +451,77 @@ prtstat(struct statfs *sfsp, struct maxwidths *mwp)
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mwp->used = imax(mwp->used, (int)strlen("Used"));
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mwp->avail = imax(mwp->avail, (int)strlen("Avail"));
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(void)printf("%-*s", mwp->mntfrom, "Filesystem");
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xo_emit("{T:/%-*s}", mwp->mntfrom, "Filesystem");
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if (Tflag)
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(void)printf(" %-*s", mwp->fstype, "Type");
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(void)printf(" %*s %*s %*s Capacity", mwp->total, header,
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mwp->used, "Used", mwp->avail, "Avail");
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xo_emit(" {T:/%-*s}", mwp->fstype, "Type");
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xo_emit(" {T:/%*s} {T:/%*s} {T:/%*s} Capacity",
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mwp->total, header,
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mwp->used, "Used", mwp->avail, "Avail");
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if (iflag) {
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mwp->iused = imax(hflag ? 0 : mwp->iused,
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(int)strlen(" iused"));
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mwp->ifree = imax(hflag ? 0 : mwp->ifree,
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(int)strlen("ifree"));
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(void)printf(" %*s %*s %%iused",
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xo_emit(" {T:/%*s} {T:/%*s} {T:\%iused}",
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mwp->iused - 2, "iused", mwp->ifree, "ifree");
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}
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(void)printf(" Mounted on\n");
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xo_emit(" {T:Mounted on}\n");
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}
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xo_open_instance("filesystem");
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/* Check for 0 block size. Can this happen? */
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if (sfsp->f_bsize == 0) {
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warnx ("File system %s does not have a block size, assuming 512.",
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xo_warnx ("File system %s does not have a block size, assuming 512.",
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sfsp->f_mntonname);
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sfsp->f_bsize = 512;
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}
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(void)printf("%-*s", mwp->mntfrom, sfsp->f_mntfromname);
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xo_emit("{tk:name/%-*s}", mwp->mntfrom, sfsp->f_mntfromname);
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if (Tflag)
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(void)printf(" %-*s", mwp->fstype, sfsp->f_fstypename);
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xo_emit(" {:type/%-*s}", mwp->fstype, sfsp->f_fstypename);
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used = sfsp->f_blocks - sfsp->f_bfree;
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availblks = sfsp->f_bavail + used;
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if (hflag) {
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prthuman(sfsp, used);
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} else {
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if (thousands)
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format = " %*j'd %*j'd %*j'd";
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format = " {t:total-blocks/%*j'd} {t:used-blocks/%*j'd} "
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"{t:available-blocks/%*j'd}";
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else
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format = " %*jd %*jd %*jd";
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(void)printf(format,
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format = " {t:total-blocks/%*jd} {t:used-blocks/%*jd} "
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"{t:available-blocks/%*jd}";
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xo_emit(format,
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mwp->total, fsbtoblk(sfsp->f_blocks,
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sfsp->f_bsize, blocksize),
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mwp->used, fsbtoblk(used, sfsp->f_bsize, blocksize),
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mwp->avail, fsbtoblk(sfsp->f_bavail,
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sfsp->f_bsize, blocksize));
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}
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(void)printf(" %5.0f%%",
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xo_emit(" {:used-percent/%5.0f}{U:%%}",
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availblks == 0 ? 100.0 : (double)used / (double)availblks * 100.0);
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if (iflag) {
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inodes = sfsp->f_files;
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used = inodes - sfsp->f_ffree;
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if (hflag) {
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(void)printf(" ");
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prthumanvalinode(used);
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prthumanvalinode(sfsp->f_ffree);
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xo_emit(" ");
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prthumanvalinode(" {:inodes-used/%5s}", used);
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prthumanvalinode(" {:inodes-free/%5s}", sfsp->f_ffree);
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} else {
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if (thousands)
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format = " %*j'd %*j'd";
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format = " {:inodes-used/%*j'd} {:inodes-free/%*j'd}";
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else
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format = " %*jd %*jd";
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(void)printf(format, mwp->iused, (intmax_t)used,
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format = " {:inodes-used/%*jd} {:inodes-free/%*jd}";
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xo_emit(format, mwp->iused, (intmax_t)used,
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mwp->ifree, (intmax_t)sfsp->f_ffree);
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}
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(void)printf(" %4.0f%% ", inodes == 0 ? 100.0 :
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(double)used / (double)inodes * 100.0);
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xo_emit(" {:inodes-used-percent/%4.0f}{U:%%} ",
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inodes == 0 ? 100.0 :
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(double)used / (double)inodes * 100.0);
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} else
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(void)printf(" ");
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xo_emit(" ");
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if (strncmp(sfsp->f_mntfromname, "total", MNAMELEN) != 0)
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(void)printf(" %s", sfsp->f_mntonname);
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(void)printf("\n");
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xo_emit(" {:mounted-on}", sfsp->f_mntonname);
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xo_emit("\n");
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xo_close_instance("filesystem");
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}
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static void
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@ -564,7 +588,7 @@ static void
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usage(void)
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{
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(void)fprintf(stderr,
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xo_error(
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"usage: df [-b | -g | -H | -h | -k | -m | -P] [-acilnT] [-t type] [-,]\n"
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" [file | filesystem ...]\n");
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exit(EX_USAGE);
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@ -579,24 +603,24 @@ makenetvfslist(void)
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int cnt, i, maxvfsconf;
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if (sysctlbyname("vfs.conflist", NULL, &buflen, NULL, 0) < 0) {
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warn("sysctl(vfs.conflist)");
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xo_warn("sysctl(vfs.conflist)");
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return (NULL);
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}
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xvfsp = malloc(buflen);
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if (xvfsp == NULL) {
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warnx("malloc failed");
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xo_warnx("malloc failed");
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return (NULL);
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}
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keep_xvfsp = xvfsp;
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if (sysctlbyname("vfs.conflist", xvfsp, &buflen, NULL, 0) < 0) {
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warn("sysctl(vfs.conflist)");
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xo_warn("sysctl(vfs.conflist)");
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free(keep_xvfsp);
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return (NULL);
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}
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maxvfsconf = buflen / sizeof(struct xvfsconf);
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if ((listptr = malloc(sizeof(char*) * maxvfsconf)) == NULL) {
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warnx("malloc failed");
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xo_warnx("malloc failed");
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free(keep_xvfsp);
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return (NULL);
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}
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@ -605,7 +629,7 @@ makenetvfslist(void)
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if (xvfsp->vfc_flags & VFCF_NETWORK) {
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listptr[cnt++] = strdup(xvfsp->vfc_name);
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if (listptr[cnt-1] == NULL) {
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warnx("malloc failed");
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xo_warnx("malloc failed");
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free(listptr);
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free(keep_xvfsp);
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return (NULL);
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@ -617,7 +641,7 @@ makenetvfslist(void)
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if (cnt == 0 ||
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(str = malloc(sizeof(char) * (32 * cnt + cnt + 2))) == NULL) {
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if (cnt > 0)
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warnx("malloc failed");
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xo_warnx("malloc failed");
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free(listptr);
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free(keep_xvfsp);
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return (NULL);
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