* Copyright (c) 1989 The Regents of the University of California.
* %sccs.include.redist.c%
"@(#) Copyright (c) 1989 The Regents of the University of California.\n\
static char sccsid
[] = "@(#)column.c 5.7 (Berkeley) %G%";
int termwidth
= 80; /* default terminal width */
int entries
; /* number of records */
int eval
; /* exit value */
int maxlength
; /* longest record */
char **list
; /* array of pointers to records */
char *separator
= "\t "; /* field separator for table option */
extern int errno
, optind
;
if (ioctl(1, TIOCGWINSZ
, &win
) == -1 || !win
.ws_col
) {
if (p
= getenv("COLUMNS"))
while ((ch
= getopt(argc
, argv
, "c:s:tx")) != EOF
)
termwidth
= atoi(optarg
);
else for (; *argv
; ++argv
)
if (fp
= fopen(*argv
, "r")) {
(void)fprintf(stderr
, "column: %s: %s\n", *argv
,
else if (maxlength
>= termwidth
)
register int chcnt
, col
, cnt
, numcols
;
maxlength
= (maxlength
+ TAB
) & ~(TAB
- 1);
numcols
= termwidth
/ maxlength
;
for (chcnt
= col
= 0, lp
= list
;; ++lp
) {
chcnt
+= printf("%s", *lp
);
while ((cnt
= (chcnt
+ TAB
& ~(TAB
- 1))) <= endcol
) {
register int base
, chcnt
, cnt
, col
;
int endcol
, numcols
, numrows
, row
;
maxlength
= (maxlength
+ TAB
) & ~(TAB
- 1);
numcols
= termwidth
/ maxlength
;
numrows
= entries
/ numcols
;
for (row
= 0; row
< numrows
; ++row
) {
for (base
= row
, chcnt
= col
= 0; col
< numcols
; ++col
) {
chcnt
+= printf("%s", list
[base
]);
if ((base
+= numrows
) >= entries
)
while ((cnt
= (chcnt
+ TAB
& ~(TAB
- 1))) <= endcol
) {
for (cnt
= entries
, lp
= list
; cnt
--; ++lp
)
(void)printf("%s\n", *lp
);
register int coloff
, cnt
;
char **cols
, *emalloc(), *realloc();
t
= tbl
= (TBL
*)emalloc(entries
* sizeof(TBL
));
cols
= (char **)emalloc((maxcols
= DEFCOLS
) * sizeof(char *));
lens
= (int *)emalloc(maxcols
* sizeof(int));
for (cnt
= 0, lp
= list
; cnt
< entries
; ++cnt
, ++lp
, ++t
) {
for (coloff
= 0, p
= *lp
; cols
[coloff
] = strtok(p
, separator
);
if (++coloff
== maxcols
) {
if (!(cols
= (char **)realloc((char *)cols
,
(u_int
)maxcols
+ DEFCOLS
* sizeof(char *))) ||
!(lens
= (int *)realloc((char *)lens
,
(u_int
)maxcols
+ DEFCOLS
* sizeof(int))))
bzero((char *)lens
+ maxcols
* sizeof(int),
t
->list
= (char **)emalloc(coloff
* sizeof(char *));
t
->len
= (int *)emalloc(coloff
* sizeof(int));
for (t
->cols
= coloff
; --coloff
>= 0;) {
t
->list
[coloff
] = cols
[coloff
];
t
->len
[coloff
] = strlen(cols
[coloff
]);
if (t
->len
[coloff
] > lens
[coloff
])
lens
[coloff
] = t
->len
[coloff
];
for (cnt
= 0, t
= tbl
; cnt
< entries
; ++cnt
, ++t
) {
for (coloff
= 0; coloff
< t
->cols
- 1; ++coloff
)
(void)printf("%s%*s", t
->list
[coloff
],
lens
[coloff
] - t
->len
[coloff
] + 2, " ");
(void)printf("%s\n", t
->list
[coloff
]);
#define MAXLINELEN (2048 + 1)
char buf
[MAXLINELEN
], *emalloc(), *realloc();
list
= (char **)emalloc((maxentry
= DEFNUM
) * sizeof(char *));
while (fgets(buf
, MAXLINELEN
, fp
)) {
for (p
= buf
; *p
&& isspace(*p
); ++p
);
if (!(p
= index(p
, '\n'))) {
(void)fprintf(stderr
, "column: line too long.\n");
if (entries
== maxentry
) {
(char **)realloc((char *)list
,
(u_int
)maxentry
* sizeof(char *))))
list
[entries
++] = strdup(buf
);
if (!(p
= malloc((u_int
)size
)))
(void)fprintf(stderr
, "column: out of memory.\n");
"usage: column [-tx] [-c columns] [file ...]\n");