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/*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* Copyright (C) 2016 Karel Zak <kzak@redhat.com>
* Copyright (C) 2023 Thomas Weißschuh <thomas@t-8ch.de>
*/
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include "c.h"
#include "xalloc.h"
#include "libsmartcols.h"
/* add columns to the @tb */
static void setup_columns(struct libscols_table *tb)
{
scols_table_enable_maxout(tb, 1);
if (!scols_table_new_column(tb, "COUNT", 0.1, SCOLS_FL_RIGHT))
goto fail;
if (!scols_table_new_column(tb, "TEXT", 0.9, 0))
goto fail;
return;
fail:
scols_unref_table(tb);
err(EXIT_FAILURE, "failed to create output columns");
}
static struct libscols_line *add_line(struct libscols_table *tb, int i)
{
char *p;
struct libscols_line *ln = scols_table_new_line(tb, NULL);
if (!ln)
err(EXIT_FAILURE, "failed to create output line");
xasprintf(&p, "%d", i);
if (scols_line_refer_data(ln, 0, p))
goto fail;
xasprintf(&p, "text%d", i);
if (scols_line_refer_data(ln, 1, p))
goto fail;
return ln;
fail:
scols_unref_table(tb);
err(EXIT_FAILURE, "failed to create output line");
}
int main(void)
{
struct libscols_table *tb;
size_t i;
scols_init_debug(0);
tb = scols_new_table();
if (!tb)
err(EXIT_FAILURE, "failed to create output table");
scols_table_enable_json(tb, 1);
setup_columns(tb);
for (i = 0; i < 10; i++) {
struct libscols_line *line;
line = add_line(tb, i);
/* print the line */
scols_table_print_range(tb, line, NULL);
fflush(scols_table_get_stream(tb));
}
scols_unref_table(tb);
return EXIT_SUCCESS;
}
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