column: Optionally keep empty lines in cols/rows mode

Signed-off-by: Lennard Hofmann <lennard.hofmann@web.de>
This commit is contained in:
Lennard Hofmann 2020-09-21 18:16:20 +02:00 committed by Karel Zak
parent 83bbda2026
commit aae0bf77bb
1 changed files with 22 additions and 10 deletions

View File

@ -487,8 +487,19 @@ static int add_emptyline_to_table(struct column_control *ctl)
return 0; return 0;
} }
static void add_entry(struct column_control *ctl, size_t *maxents, wchar_t *wcs)
{
if (ctl->nents <= *maxents) {
*maxents += 1000;
ctl->ents = xrealloc(ctl->ents, *maxents * sizeof(wchar_t *));
}
ctl->ents[ctl->nents] = wcs;
ctl->nents++;
}
static int read_input(struct column_control *ctl, FILE *fp) static int read_input(struct column_control *ctl, FILE *fp)
{ {
wchar_t *empty = NULL;
char *buf = NULL; char *buf = NULL;
size_t bufsz = 0; size_t bufsz = 0;
size_t maxents = 0; size_t maxents = 0;
@ -512,8 +523,15 @@ static int read_input(struct column_control *ctl, FILE *fp)
*p = '\0'; *p = '\0';
} }
if (!str || !*str) { if (!str || !*str) {
if (ctl->mode == COLUMN_MODE_TABLE && ctl->tab_empty_lines) if (ctl->tab_empty_lines) {
if (ctl->mode == COLUMN_MODE_TABLE) {
add_emptyline_to_table(ctl); add_emptyline_to_table(ctl);
} else {
if (!empty)
empty = mbs_to_wcs("");
add_entry(ctl, &maxents, empty);
}
}
continue; continue;
} }
@ -539,16 +557,10 @@ static int read_input(struct column_control *ctl, FILE *fp)
case COLUMN_MODE_FILLCOLS: case COLUMN_MODE_FILLCOLS:
case COLUMN_MODE_FILLROWS: case COLUMN_MODE_FILLROWS:
if (ctl->nents <= maxents) { add_entry(ctl, &maxents, wcs);
maxents += 1000; len = width(wcs);
ctl->ents = xrealloc(ctl->ents,
maxents * sizeof(wchar_t *));
}
ctl->ents[ctl->nents] = wcs;
len = width(ctl->ents[ctl->nents]);
if (ctl->maxlength < len) if (ctl->maxlength < len)
ctl->maxlength = len; ctl->maxlength = len;
ctl->nents++;
break; break;
default: default:
free(wcs); free(wcs);