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Fix ls behavior for broken or very narrow terminals. Fix my_*

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functions so they comply with the original interface (i.e. don't
exit on error, stringify uids and gids when no amtching name found).
 -Erik
This commit is contained in:
Eric Andersen
2001-01-30 18:03:11 +00:00
parent 201dc0d5a9
commit e57d54b456
3 changed files with 58 additions and 42 deletions
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42
ls.c
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@ -41,9 +41,12 @@
* 1. requires lstat (BSD) - how do you do it without?
*/
static const int TERMINAL_WIDTH = 80; /* use 79 if your terminal has linefold bug */
static const int COLUMN_WIDTH = 14; /* default if AUTOWIDTH not defined */
static const int COLUMN_GAP = 2; /* includes the file type char, if present */
enum {
TERMINAL_WIDTH = 80, /* use 79 if terminal has linefold bug */
COLUMN_WIDTH = 14, /* default if AUTOWIDTH not defined */
COLUMN_GAP = 2, /* includes the file type char */
};
/************************************************************************/
@ -173,9 +176,9 @@ static unsigned int follow_links=FALSE;
static unsigned short column = 0;
#ifdef BB_FEATURE_AUTOWIDTH
static unsigned short terminal_width;
static unsigned short column_width;
static unsigned short tabstops;
static unsigned short terminal_width = TERMINAL_WIDTH;
static unsigned short column_width = COLUMN_WIDTH;
static unsigned short tabstops = COLUMN_GAP;
#else
static unsigned short column_width = COLUMN_WIDTH;
#endif
@ -434,9 +437,15 @@ void showfiles(struct dnode **dn, int nfiles)
((list_fmt & LIST_INO) ? 8 : 0) +
((list_fmt & LIST_BLOCKS) ? 5 : 0)
;
if (column_width < len) column_width= len;
if (column_width < len)
column_width= len;
}
if (column_width >= 6)
ncols = (int)(terminal_width / (column_width + COLUMN_GAP));
else {
ncols = 1;
column_width = COLUMN_WIDTH;
}
ncols= (int)(terminal_width / (column_width + COLUMN_GAP));
#else
ncols= TERMINAL_WIDTH;
#endif
@ -447,7 +456,12 @@ void showfiles(struct dnode **dn, int nfiles)
break;
}
nrows= nfiles / ncols;
if (ncols > 1) {
nrows = nfiles / ncols;
} else {
nrows = nfiles;
ncols = 1;
}
if ((nrows * ncols) < nfiles) nrows++; /* round up fractionals */
if (nrows > nfiles) nrows= nfiles;
@ -617,15 +631,9 @@ int list_single(struct dnode *dn)
case LIST_ID_NAME:
#ifdef BB_FEATURE_LS_USERNAME
my_getpwuid(scratch, dn->dstat.st_uid);
if (*scratch)
printf("%-8.8s ", scratch);
else
printf("%-8d ", dn->dstat.st_uid);
printf("%-8.8s ", scratch);
my_getgrgid(scratch, dn->dstat.st_gid);
if (*scratch)
printf("%-8.8s", scratch);
else
printf("%-8d", dn->dstat.st_gid);
printf("%-8.8s", scratch);
column += 17;
break;
#endif