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[src/trunk]: src/bin/df - Bump Size/Used/Avail from 10 to 12, and iUsed/iAvai...



details:   https://anonhg.NetBSD.org/src/rev/95da61fd91bc
branches:  trunk
changeset: 937565:95da61fd91bc
user:      ryo <ryo%NetBSD.org@localhost>
date:      Fri Aug 21 16:41:06 2020 +0000

description:
- Bump Size/Used/Avail from 10 to 12, and iUsed/iAvail from 8 to 10 for double-digit terabyte storage.
- set the field width to the optimal, if "-h" is specified.
- if blocksize is greater than M or G, reduce the size field width.

diffstat:

 bin/df/df.c |  36 +++++++++++++++++++++++-------------
 1 files changed, 23 insertions(+), 13 deletions(-)

diffs (90 lines):

diff -r 9f18efa18b38 -r 95da61fd91bc bin/df/df.c
--- a/bin/df/df.c       Fri Aug 21 16:40:02 2020 +0000
+++ b/bin/df/df.c       Fri Aug 21 16:41:06 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: df.c,v 1.96 2020/08/21 16:40:02 ryo Exp $ */
+/*     $NetBSD: df.c,v 1.97 2020/08/21 16:41:06 ryo 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 1.96 2020/08/21 16:40:02 ryo Exp $");
+__RCSID("$NetBSD: df.c,v 1.97 2020/08/21 16:41:06 ryo Exp $");
 #endif
 #endif /* not lint */
 
@@ -79,8 +79,9 @@
 static long     usize;
 static char    **typelist;
 
-#define WIDTH_INODE    8
-#define WIDTH_BLKSIZE  10
+#define WIDTH_INODE    10
+#define WIDTH_BLKSIZE  12
+static int blksize_width = WIDTH_BLKSIZE;
 
 int
 main(int argc, char *argv[])
@@ -346,9 +347,9 @@
 prthuman(const struct statvfs *sfsp, int64_t used, int64_t bavail)
 {
 
-       prthumanval((int64_t)(sfsp->f_blocks * sfsp->f_frsize), WIDTH_BLKSIZE);
-       prthumanval((int64_t)(used * sfsp->f_frsize), 1 + WIDTH_BLKSIZE);
-       prthumanval((int64_t)(bavail * sfsp->f_frsize), 1 + WIDTH_BLKSIZE);
+       prthumanval((int64_t)(sfsp->f_blocks * sfsp->f_frsize), blksize_width);
+       prthumanval((int64_t)(used * sfsp->f_frsize), 1 + blksize_width);
+       prthumanval((int64_t)(bavail * sfsp->f_frsize), 1 + blksize_width);
 }
 
 /*
@@ -447,10 +448,19 @@
                        if (hflag) {
                                header = "Size";
                                headerlen = (int)strlen(header);
+                               blksize_width = 6;
                        } else
                                header = getbsize(&headerlen, &blocksize);
                        break;
                }
+
+               if (blocksize >= 1024 * 1024)
+                       blksize_width -= 3;
+               if (blocksize >= 1024 * 1024 * 1024)
+                       blksize_width -= 3;
+               if (blksize_width < headerlen)
+                       blksize_width = headerlen;
+
                if (Pflag) {
                        /*
                         * either:
@@ -466,9 +476,9 @@
                } else {
                        (void)printf("%-*.*s %*s %*s %*s %%Cap",
                            maxwidth, maxwidth, "Filesystem",
-                           WIDTH_BLKSIZE, header,
-                           WIDTH_BLKSIZE, "Used",
-                           WIDTH_BLKSIZE, "Avail");
+                           blksize_width, header,
+                           blksize_width, "Used",
+                           blksize_width, "Avail");
                        if (iflag) {
                                (void)printf(" %*s %*s %%iCap",
                                    WIDTH_INODE, "iUsed",
@@ -510,10 +520,10 @@
                prthuman(sfsp, used, bavail);
        else
                (void)printf("%*" PRId64 " %*" PRId64 " %*" PRId64,
-                   WIDTH_BLKSIZE,
+                   blksize_width,
                    fsbtoblk(sfsp->f_blocks, sfsp->f_frsize, blocksize),
-                   WIDTH_BLKSIZE, fsbtoblk(used, sfsp->f_frsize, blocksize),
-                   WIDTH_BLKSIZE, fsbtoblk(bavail, sfsp->f_frsize, blocksize));
+                   blksize_width, fsbtoblk(used, sfsp->f_frsize, blocksize),
+                   blksize_width, fsbtoblk(bavail, sfsp->f_frsize, blocksize));
        (void)printf(" %3s%%",
            availblks == 0 ? full :
            strspct(pb, sizeof(pb), used, availblks, 0));



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