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authorEric Andersen2001-06-13 08:02:45 +0000
committerEric Andersen2001-06-13 08:02:45 +0000
commitf429baca868b7f62ffdeefbfce41abd677f97876 (patch)
tree64925420925deb361a2024b9b362e5c987334124
parent17822cd60aaf9333a9895494edcf03a0037de54c (diff)
downloadbusybox-f429baca868b7f62ffdeefbfce41abd677f97876.zip
busybox-f429baca868b7f62ffdeefbfce41abd677f97876.tar.gz
I reworked make_human_readable_str so it now has a sane interface,
and then fixed up df, du, and ls to use the new interface. I also fixed up some formatting issues in ls while I was in there. -Erik
-rw-r--r--coreutils/df.c31
-rw-r--r--coreutils/du.c15
-rw-r--r--coreutils/ls.c11
-rw-r--r--df.c31
-rw-r--r--du.c15
-rw-r--r--include/libbb.h2
-rw-r--r--libbb/human_readable.c48
-rw-r--r--libbb/libbb.h2
-rw-r--r--ls.c11
9 files changed, 58 insertions, 108 deletions
diff --git a/coreutils/df.c b/coreutils/df.c
index df68744..6a81086 100644
--- a/coreutils/df.c
+++ b/coreutils/df.c
@@ -32,7 +32,7 @@
extern const char mtab_file[]; /* Defined in utility.c */
#ifdef BB_FEATURE_HUMAN_READABLE
-static unsigned long df_disp_hr = KILOBYTE;
+static unsigned long df_disp_hr = 1;
#endif
static int do_df(char *device, const char *mount_point)
@@ -40,9 +40,6 @@ static int do_df(char *device, const char *mount_point)
struct statfs s;
long blocks_used;
long blocks_percent_used;
-#ifdef BB_FEATURE_HUMAN_READABLE
- long base;
-#endif
if (statfs(mount_point, &s) != 0) {
perror_msg("%s", mount_point);
@@ -65,27 +62,15 @@ static int do_df(char *device, const char *mount_point)
return FALSE;
}
#ifdef BB_FEATURE_HUMAN_READABLE
- switch (df_disp_hr) {
- case MEGABYTE:
- base = KILOBYTE;
- break;
- case KILOBYTE:
- base = 1;
- break;
- default:
- base = 0;
- }
printf("%-20s %9s ", device,
- make_human_readable_str((unsigned long)(s.f_blocks *
- (s.f_bsize/(double)KILOBYTE)), base));
+ make_human_readable_str(s.f_blocks, s.f_bsize/KILOBYTE, df_disp_hr));
+
printf("%9s ",
- make_human_readable_str((unsigned long)(
- (s.f_blocks - s.f_bfree) *
- (s.f_bsize/(double)KILOBYTE)), base));
+ make_human_readable_str( (s.f_blocks - s.f_bfree), s.f_bsize/KILOBYTE, df_disp_hr));
+
printf("%9s %3ld%% %s\n",
- make_human_readable_str((unsigned long)(s.f_bavail *
- (s.f_bsize/(double)KILOBYTE)), base),
- blocks_percent_used, mount_point);
+ make_human_readable_str(s.f_bavail, s.f_bsize/KILOBYTE, df_disp_hr),
+ blocks_percent_used, mount_point);
#else
printf("%-20s %9ld %9ld %9ld %3ld%% %s\n",
device,
@@ -119,7 +104,7 @@ extern int df_main(int argc, char **argv)
strcpy(disp_units_hdr, " Size");
break;
case 'm':
- df_disp_hr = MEGABYTE;
+ df_disp_hr = KILOBYTE;
strcpy(disp_units_hdr, "1M-blocks");
break;
#endif
diff --git a/coreutils/du.c b/coreutils/du.c
index fd19855..1966e35 100644
--- a/coreutils/du.c
+++ b/coreutils/du.c
@@ -46,19 +46,8 @@ static Display *print;
static void print_normal(long size, char *filename)
{
- unsigned long base;
#ifdef BB_FEATURE_HUMAN_READABLE
- switch (disp_hr) {
- case MEGABYTE:
- base = KILOBYTE;
- break;
- case KILOBYTE:
- base = 1;
- break;
- default:
- base = 0;
- }
- printf("%s\t%s\n", make_human_readable_str(size, base), filename);
+ printf("%s\t%s\n", make_human_readable_str(size<<10, 1, disp_hr), filename);
#else
printf("%ld\t%s\n", size, filename);
#endif
@@ -259,7 +248,7 @@ int du_main(int argc, char **argv)
return status;
}
-/* $Id: du.c,v 1.48 2001/06/01 21:47:15 andersen Exp $ */
+/* $Id: du.c,v 1.49 2001/06/13 08:02:44 andersen Exp $ */
/*
Local Variables:
c-file-style: "linux"
diff --git a/coreutils/ls.c b/coreutils/ls.c
index ec8e216..c54b6a4 100644
--- a/coreutils/ls.c
+++ b/coreutils/ls.c
@@ -610,8 +610,8 @@ static int list_single(struct dnode *dn)
break;
case LIST_BLOCKS:
#ifdef BB_FEATURE_HUMAN_READABLE
- fprintf(stdout, "%5s ", make_human_readable_str(dn->dstat.st_blocks>>1,
- (ls_disp_hr==TRUE)? 0: 1));
+ fprintf(stdout, "%4s ", make_human_readable_str(dn->dstat.st_blocks>>1,
+ KILOBYTE, (ls_disp_hr==TRUE)? 0: 1));
#else
#if _FILE_OFFSET_BITS == 64
printf("%4lld ", dn->dstat.st_blocks>>1);
@@ -622,7 +622,7 @@ static int list_single(struct dnode *dn)
column += 5;
break;
case LIST_MODEBITS:
- printf("%10s", (char *)mode_string(dn->dstat.st_mode));
+ printf("%-10s ", (char *)mode_string(dn->dstat.st_mode));
column += 10;
break;
case LIST_NLINKS:
@@ -634,7 +634,7 @@ static int list_single(struct dnode *dn)
my_getpwuid(scratch, dn->dstat.st_uid);
printf("%-8.8s ", scratch);
my_getgrgid(scratch, dn->dstat.st_gid);
- printf("%-8.8s", scratch);
+ printf("%-8.8s ", scratch);
column += 17;
break;
#endif
@@ -649,8 +649,7 @@ static int list_single(struct dnode *dn)
} else {
#ifdef BB_FEATURE_HUMAN_READABLE
if (ls_disp_hr==TRUE) {
- fprintf(stdout, "%9s ", make_human_readable_str(
- dn->dstat.st_size>>10, 0));
+ fprintf(stdout, "%8s ", make_human_readable_str(dn->dstat.st_size, 1, 0));
} else
#endif
{
diff --git a/df.c b/df.c
index df68744..6a81086 100644
--- a/df.c
+++ b/df.c
@@ -32,7 +32,7 @@
extern const char mtab_file[]; /* Defined in utility.c */
#ifdef BB_FEATURE_HUMAN_READABLE
-static unsigned long df_disp_hr = KILOBYTE;
+static unsigned long df_disp_hr = 1;
#endif
static int do_df(char *device, const char *mount_point)
@@ -40,9 +40,6 @@ static int do_df(char *device, const char *mount_point)
struct statfs s;
long blocks_used;
long blocks_percent_used;
-#ifdef BB_FEATURE_HUMAN_READABLE
- long base;
-#endif
if (statfs(mount_point, &s) != 0) {
perror_msg("%s", mount_point);
@@ -65,27 +62,15 @@ static int do_df(char *device, const char *mount_point)
return FALSE;
}
#ifdef BB_FEATURE_HUMAN_READABLE
- switch (df_disp_hr) {
- case MEGABYTE:
- base = KILOBYTE;
- break;
- case KILOBYTE:
- base = 1;
- break;
- default:
- base = 0;
- }
printf("%-20s %9s ", device,
- make_human_readable_str((unsigned long)(s.f_blocks *
- (s.f_bsize/(double)KILOBYTE)), base));
+ make_human_readable_str(s.f_blocks, s.f_bsize/KILOBYTE, df_disp_hr));
+
printf("%9s ",
- make_human_readable_str((unsigned long)(
- (s.f_blocks - s.f_bfree) *
- (s.f_bsize/(double)KILOBYTE)), base));
+ make_human_readable_str( (s.f_blocks - s.f_bfree), s.f_bsize/KILOBYTE, df_disp_hr));
+
printf("%9s %3ld%% %s\n",
- make_human_readable_str((unsigned long)(s.f_bavail *
- (s.f_bsize/(double)KILOBYTE)), base),
- blocks_percent_used, mount_point);
+ make_human_readable_str(s.f_bavail, s.f_bsize/KILOBYTE, df_disp_hr),
+ blocks_percent_used, mount_point);
#else
printf("%-20s %9ld %9ld %9ld %3ld%% %s\n",
device,
@@ -119,7 +104,7 @@ extern int df_main(int argc, char **argv)
strcpy(disp_units_hdr, " Size");
break;
case 'm':
- df_disp_hr = MEGABYTE;
+ df_disp_hr = KILOBYTE;
strcpy(disp_units_hdr, "1M-blocks");
break;
#endif
diff --git a/du.c b/du.c
index fd19855..1966e35 100644
--- a/du.c
+++ b/du.c
@@ -46,19 +46,8 @@ static Display *print;
static void print_normal(long size, char *filename)
{
- unsigned long base;
#ifdef BB_FEATURE_HUMAN_READABLE
- switch (disp_hr) {
- case MEGABYTE:
- base = KILOBYTE;
- break;
- case KILOBYTE:
- base = 1;
- break;
- default:
- base = 0;
- }
- printf("%s\t%s\n", make_human_readable_str(size, base), filename);
+ printf("%s\t%s\n", make_human_readable_str(size<<10, 1, disp_hr), filename);
#else
printf("%ld\t%s\n", size, filename);
#endif
@@ -259,7 +248,7 @@ int du_main(int argc, char **argv)
return status;
}
-/* $Id: du.c,v 1.48 2001/06/01 21:47:15 andersen Exp $ */
+/* $Id: du.c,v 1.49 2001/06/13 08:02:44 andersen Exp $ */
/*
Local Variables:
c-file-style: "linux"
diff --git a/include/libbb.h b/include/libbb.h
index f24a381..893a9f0 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -198,12 +198,12 @@ struct sysinfo {
};
extern int sysinfo (struct sysinfo* info);
-const char *make_human_readable_str(unsigned long val, unsigned long not_hr);
enum {
KILOBYTE = 1024,
MEGABYTE = (KILOBYTE*1024),
GIGABYTE = (MEGABYTE*1024)
};
+const char *make_human_readable_str(unsigned long size, unsigned long block_size, unsigned long display_unit);
int ask_confirmation(void);
int klogctl(int type, char * b, int len);
diff --git a/libbb/human_readable.c b/libbb/human_readable.c
index ff21751..2cb8875 100644
--- a/libbb/human_readable.c
+++ b/libbb/human_readable.c
@@ -1,10 +1,8 @@
/* vi: set sw=4 ts=4: */
/*
- * Utility routines.
+ * make_human_readable_str
*
- * Copyright (C) tons of folks. Tracking down who wrote what
- * isn't something I'm going to worry about... If you wrote something
- * here, please feel free to acknowledge your work.
+ * Copyright (C) 1999-2001 Erik Andersen <andersee@debian.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -19,10 +17,6 @@
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
- * Permission has been granted to redistribute this code under the GPL.
- *
*/
#include <stdio.h>
@@ -30,28 +24,38 @@
-const char *make_human_readable_str(unsigned long val, unsigned long hr)
+const char *make_human_readable_str(unsigned long size,
+ unsigned long block_size, unsigned long display_unit)
{
- int i=0;
static char str[10] = "\0";
- static const char strings[] = { 'k', 'M', 'G', 'T', 0 };
- unsigned long divisor = 1;
+ static const char strings[] = { 0, 'k', 'M', 'G', 'T', 0 };
- if(val == 0)
+ if(size == 0 || block_size == 0)
return("0");
- if(hr)
- snprintf(str, 9, "%ld", val/hr);
- else {
- while(val >= divisor && i <= 4) {
- divisor=divisor<<10, i++;
- }
- divisor=divisor>>10, i--;
- snprintf(str, 9, "%.1Lf%c", (long double)(val)/divisor, strings[i]);
+
+ if(display_unit) {
+ snprintf(str, 9, "%ld", (size/display_unit)*block_size);
+ } else {
+ /* Ok, looks like they want us to autoscale */
+ int i=0;
+ unsigned long divisor = 1;
+ long double result = size*block_size;
+ for(i=0; i <= 4; i++) {
+ divisor<<=10;
+ if (result <= divisor) {
+ divisor>>=10;
+ break;
+ }
+ }
+ result/=divisor;
+ if (result > 10)
+ snprintf(str, 9, "%.0Lf%c", result, strings[i]);
+ else
+ snprintf(str, 9, "%.1Lf%c", result, strings[i]);
}
return(str);
}
-
/* END CODE */
/*
Local Variables:
diff --git a/libbb/libbb.h b/libbb/libbb.h
index f24a381..893a9f0 100644
--- a/libbb/libbb.h
+++ b/libbb/libbb.h
@@ -198,12 +198,12 @@ struct sysinfo {
};
extern int sysinfo (struct sysinfo* info);
-const char *make_human_readable_str(unsigned long val, unsigned long not_hr);
enum {
KILOBYTE = 1024,
MEGABYTE = (KILOBYTE*1024),
GIGABYTE = (MEGABYTE*1024)
};
+const char *make_human_readable_str(unsigned long size, unsigned long block_size, unsigned long display_unit);
int ask_confirmation(void);
int klogctl(int type, char * b, int len);
diff --git a/ls.c b/ls.c
index ec8e216..c54b6a4 100644
--- a/ls.c
+++ b/ls.c
@@ -610,8 +610,8 @@ static int list_single(struct dnode *dn)
break;
case LIST_BLOCKS:
#ifdef BB_FEATURE_HUMAN_READABLE
- fprintf(stdout, "%5s ", make_human_readable_str(dn->dstat.st_blocks>>1,
- (ls_disp_hr==TRUE)? 0: 1));
+ fprintf(stdout, "%4s ", make_human_readable_str(dn->dstat.st_blocks>>1,
+ KILOBYTE, (ls_disp_hr==TRUE)? 0: 1));
#else
#if _FILE_OFFSET_BITS == 64
printf("%4lld ", dn->dstat.st_blocks>>1);
@@ -622,7 +622,7 @@ static int list_single(struct dnode *dn)
column += 5;
break;
case LIST_MODEBITS:
- printf("%10s", (char *)mode_string(dn->dstat.st_mode));
+ printf("%-10s ", (char *)mode_string(dn->dstat.st_mode));
column += 10;
break;
case LIST_NLINKS:
@@ -634,7 +634,7 @@ static int list_single(struct dnode *dn)
my_getpwuid(scratch, dn->dstat.st_uid);
printf("%-8.8s ", scratch);
my_getgrgid(scratch, dn->dstat.st_gid);
- printf("%-8.8s", scratch);
+ printf("%-8.8s ", scratch);
column += 17;
break;
#endif
@@ -649,8 +649,7 @@ static int list_single(struct dnode *dn)
} else {
#ifdef BB_FEATURE_HUMAN_READABLE
if (ls_disp_hr==TRUE) {
- fprintf(stdout, "%9s ", make_human_readable_str(
- dn->dstat.st_size>>10, 0));
+ fprintf(stdout, "%8s ", make_human_readable_str(dn->dstat.st_size, 1, 0));
} else
#endif
{