/* 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;
}
static struct libscols_line *get_line_with_id(struct libscols_table *tb,
int col_id, const char *id)
{
struct libscols_line *ln;
struct libscols_iter *itr = scols_new_iter(SCOLS_ITER_FORWARD);
while (scols_table_next_line(tb, itr, &ln) == 0) {
struct libscols_cell *ce = scols_line_get_cell(ln, col_id);
const char *data = ce ? scols_cell_get_data(ce) : NULL;
if (data && strcmp(data, id) == 0)
break;
}
scols_free_iter(itr);
return ln;
}
static void compose_tree(struct libscols_table *tb, int parent_col, int id_col)
{
struct libscols_line *ln;
struct libscols_iter *itr = scols_new_iter(SCOLS_ITER_FORWARD);
while (scols_table_next_line(tb, itr, &ln) == 0) {
struct libscols_line *parent = NULL;
struct libscols_cell *ce = scols_line_get_cell(ln, parent_col);
const char *data = ce ? scols_cell_get_data(ce) : NULL;
if (data)
parent = get_line_with_id(tb, id_col, data);
if (parent)
scols_line_add_child(parent, ln);
}
scols_free_iter(itr);
}
