/* add a new line to @tb, the content is based on @st */
static int add_line_from_stat(struct libscols_table *tb,
struct libscols_line *parent,
int parent_fd,
struct stat *st,
const char *name)
{
struct libscols_line *ln;
char modbuf[11], *p;
mode_t mode = st->st_mode;
int rc = 0;
ln = scols_table_new_line(tb, parent);
if (!ln)
err(EXIT_FAILURE, "failed to create output line");
/* MODE; local buffer, use scols_line_set_data() that calls strdup() */
xstrmode(mode, modbuf);
if (scols_line_set_data(ln, COL_MODE, modbuf))
goto fail;
/* SIZE; already allocated string, use scols_line_refer_data() */
p = size_to_human_string(0, st->st_size);
if (!p || scols_line_refer_data(ln, COL_SIZE, p))
goto fail;
/* NAME */
if (scols_line_set_data(ln, COL_NAME, name))
goto fail;
/* colors */
if (scols_table_colors_wanted(tb)) {
struct libscols_cell *ce = scols_line_get_cell(ln, COL_NAME);
if (S_ISDIR(mode))
scols_cell_set_color(ce, "blue");
else if (S_ISLNK(mode))
scols_cell_set_color(ce, "cyan");
else if (S_ISBLK(mode))
scols_cell_set_color(ce, "magenta");
else if ((mode & S_IXOTH) || (mode & S_IXGRP) || (mode & S_IXUSR))
scols_cell_set_color(ce, "green");
}
if (S_ISDIR(st->st_mode)) {
int fd;
if (parent_fd >= 0)
fd = openat(parent_fd, name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC);
else
fd = open(name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC);
if (fd >= 0) {
rc = add_children(tb, ln, fd);
close(fd);
}
}
return rc;
fail:
err(EXIT_FAILURE, "failed to create cell data");
return -1;
}
int main(int argc, char *argv[])
{
struct libscols_table *tb;
struct libscols_symbols *sy;
struct libscols_cell *title;
setlocale(LC_ALL, ""); /* just to have enable UTF8 chars */
scols_init_debug(0);
tb = scols_new_table();
if (!tb)
err(EXIT_FAILURE, "failed to create output table");
scols_table_enable_colors(tb, isatty(STDOUT_FILENO));
setup_columns(tb);
add_line(tb, "foo", "bla bla bla");
add_line(tb, "bar", "alb alb alb");
title = scols_table_get_title(tb);
/* right */
scols_cell_set_data(title, "This is right title");
scols_cell_set_color(title, "red");
scols_cell_set_flags(title, SCOLS_CELL_FL_RIGHT);
scols_print_table(tb);
/* center */
sy = scols_new_symbols();
if (!sy)
err_oom();
scols_table_set_symbols(tb, sy);
scols_symbols_set_title_padding(sy, "=");
scols_cell_set_data(title, "This is center title (with padding)");
scols_cell_set_color(title, "green");
scols_cell_set_flags(title, SCOLS_CELL_FL_CENTER);
scols_print_table(tb);
/* left */
scols_symbols_set_title_padding(sy, "-");
scols_cell_set_data(title, "This is left title (with padding)");
scols_cell_set_color(title, "blue");
scols_cell_set_flags(title, SCOLS_CELL_FL_LEFT);
scols_print_table(tb);
scols_unref_table(tb);
return EXIT_SUCCESS;
}
void list_disklabel(struct fdisk_context *cxt)
{
struct fdisk_table *tb = NULL;
struct fdisk_partition *pa = NULL;
struct fdisk_iter *itr = NULL;
struct fdisk_label *lb;
struct libscols_table *out = NULL;
const char *bold = NULL;
int *ids = NULL; /* IDs of fdisk_fields */
size_t nids = 0, i;
int post = 0;
/* print label specific stuff by libfdisk FDISK_ASK_INFO API */
fdisk_list_disklabel(cxt);
/* get partitions and generate output */
if (fdisk_get_partitions(cxt, &tb) || fdisk_table_get_nents(tb) <= 0)
goto done;
ids = init_fields(cxt, NULL, &nids);
if (!ids)
goto done;
itr = fdisk_new_iter(FDISK_ITER_FORWARD);
if (!itr) {
fdisk_warn(cxt, _("faild to allocate iterator"));
goto done;
}
out = scols_new_table();
if (!out) {
fdisk_warn(cxt, _("faild to allocate output table"));
goto done;
}
if (colors_wanted()) {
scols_table_enable_colors(out, 1);
bold = color_scheme_get_sequence("header", UL_COLOR_BOLD);
}
lb = fdisk_get_label(cxt, NULL);
assert(lb);
/* define output table columns */
for (i = 0; i < nids; i++) {
int fl = 0;
struct libscols_column *co;
const struct fdisk_field *field =
fdisk_label_get_field(lb, ids[i]);
if (!field)
continue;
if (fdisk_field_is_number(field))
fl |= SCOLS_FL_RIGHT;
if (fdisk_field_get_id(field) == FDISK_FIELD_TYPE)
fl |= SCOLS_FL_TRUNC;
co = scols_table_new_column(out,
fdisk_field_get_name(field),
fdisk_field_get_width(field), fl);
if (!co)
goto done;
/* set colum header color */
if (bold)
scols_cell_set_color(scols_column_get_header(co), bold);
}
/* fill-in output table */
while (fdisk_table_next_partition(tb, itr, &pa) == 0) {
struct libscols_line *ln = scols_table_new_line(out, NULL);
if (!ln) {
fdisk_warn(cxt, _("faild to allocate output line"));
goto done;
}
for (i = 0; i < nids; i++) {
char *data = NULL;
if (fdisk_partition_to_string(pa, cxt, ids[i], &data))
continue;
scols_line_refer_data(ln, i, data);
}
}
/* print */
if (!scols_table_is_empty(out)) {
fputc('\n', stdout);
scols_print_table(out);
}
/* print warnings */
fdisk_reset_iter(itr, FDISK_ITER_FORWARD);
while (itr && fdisk_table_next_partition(tb, itr, &pa) == 0) {
if (!fdisk_partition_has_start(pa))
continue;
if (!fdisk_lba_is_phy_aligned(cxt, fdisk_partition_get_start(pa))) {
if (!post)
fputc('\n', stdout);
fdisk_warnx(cxt, _("Partition %zu does not start on physical sector boundary."),
fdisk_partition_get_partno(pa) + 1);
post++;
}
}
if (fdisk_table_wrong_order(tb)) {
if (!post)
fputc('\n', stdout);
fdisk_info(cxt, _("Partition table entries are not in disk order."));
}
done:
scols_unref_table(out);
fdisk_unref_table(tb);
fdisk_free_iter(itr);
}
void list_freespace(struct fdisk_context *cxt)
{
struct fdisk_table *tb = NULL;
struct fdisk_partition *pa = NULL;
struct fdisk_iter *itr = NULL;
struct libscols_table *out = NULL;
const char *bold = NULL;
size_t i;
uintmax_t sumsize = 0, bytes = 0;
char *strsz;
static const char *colnames[] = { N_("Start"), N_("End"), N_("Sectors"), N_("Size") };
static const int colids[] = { FDISK_FIELD_START, FDISK_FIELD_END, FDISK_FIELD_SECTORS, FDISK_FIELD_SIZE };
if (fdisk_get_freespaces(cxt, &tb))
goto done;
itr = fdisk_new_iter(FDISK_ITER_FORWARD);
if (!itr) {
fdisk_warn(cxt, _("failed to allocate iterator"));
goto done;
}
out = scols_new_table();
if (!out) {
fdisk_warn(cxt, _("failed to allocate output table"));
goto done;
}
if (colors_wanted()) {
scols_table_enable_colors(out, 1);
bold = color_scheme_get_sequence("header", UL_COLOR_BOLD);
}
for (i = 0; i < ARRAY_SIZE(colnames); i++) {
struct libscols_column *co = scols_table_new_column(out, _(colnames[i]), 5, SCOLS_FL_RIGHT);
if (!co)
goto done;
if (bold)
scols_cell_set_color(scols_column_get_header(co), bold);
}
/* fill-in output table */
while (fdisk_table_next_partition(tb, itr, &pa) == 0) {
struct libscols_line *ln = scols_table_new_line(out, NULL);
char *data;
if (!ln) {
fdisk_warn(cxt, _("failed to allocate output line"));
goto done;
}
for (i = 0; i < ARRAY_SIZE(colids); i++) {
if (fdisk_partition_to_string(pa, cxt, colids[i], &data))
continue;
scols_line_refer_data(ln, i, data);
}
if (fdisk_partition_has_size(pa))
sumsize += fdisk_partition_get_size(pa);
}
bytes = sumsize * fdisk_get_sector_size(cxt);
strsz = size_to_human_string(SIZE_SUFFIX_SPACE
| SIZE_SUFFIX_3LETTER, bytes);
color_scheme_enable("header", UL_COLOR_BOLD);
fdisk_info(cxt, _("Unpartitioned space %s: %s, %ju bytes, %ju sectors"),
fdisk_get_devname(cxt), strsz,
bytes, sumsize);
color_disable();
free(strsz);
fdisk_info(cxt, _("Units: %s of %d * %ld = %ld bytes"),
fdisk_get_unit(cxt, FDISK_PLURAL),
fdisk_get_units_per_sector(cxt),
fdisk_get_sector_size(cxt),
fdisk_get_units_per_sector(cxt) * fdisk_get_sector_size(cxt));
fdisk_info(cxt, _("Sector size (logical/physical): %lu bytes / %lu bytes"),
fdisk_get_sector_size(cxt),
fdisk_get_physector_size(cxt));
/* print */
if (!scols_table_is_empty(out)) {
fdisk_info(cxt, ""); /* line break */
scols_print_table(out);
}
done:
scols_unref_table(out);
fdisk_unref_table(tb);
fdisk_free_iter(itr);
}
int main(int argc, char *argv[])
{
struct libscols_table *tb;
struct libscols_symbols *sy;
struct libscols_cell *title;
int c;
static const struct option longopts[] = {
{ "maxout", 0, NULL, 'm' },
{ "width", 1, NULL, 'w' },
{ NULL, 0, NULL, 0 },
};
setlocale(LC_ALL, ""); /* just to have enable UTF8 chars */
scols_init_debug(0);
tb = scols_new_table();
if (!tb)
err(EXIT_FAILURE, "failed to create output table");
while((c = getopt_long(argc, argv, "mw:", longopts, NULL)) != -1) {
switch(c) {
case 'm':
scols_table_enable_maxout(tb, TRUE);
break;
case 'w':
scols_table_set_termforce(tb, SCOLS_TERMFORCE_ALWAYS);
scols_table_set_termwidth(tb, strtou32_or_err(optarg, "failed to parse terminal width"));
break;
}
}
scols_table_enable_colors(tb, isatty(STDOUT_FILENO));
setup_columns(tb);
add_line(tb, "foo", "bla bla bla");
add_line(tb, "bar", "alb alb alb");
title = scols_table_get_title(tb);
/* right */
scols_cell_set_data(title, "This is right title");
scols_cell_set_color(title, "red");
scols_cell_set_flags(title, SCOLS_CELL_FL_RIGHT);
scols_print_table(tb);
/* center */
sy = scols_new_symbols();
if (!sy)
err_oom();
scols_table_set_symbols(tb, sy);
scols_symbols_set_title_padding(sy, "=");
scols_cell_set_data(title, "This is center title (with padding)");
scols_cell_set_color(title, "green");
scols_cell_set_flags(title, SCOLS_CELL_FL_CENTER);
scols_print_table(tb);
/* left */
scols_symbols_set_title_padding(sy, "-");
scols_cell_set_data(title, "This is left title (with padding)");
scols_cell_set_color(title, "blue");
scols_cell_set_flags(title, SCOLS_CELL_FL_LEFT);
scols_print_table(tb);
scols_unref_table(tb);
return EXIT_SUCCESS;
}
