/** * scols_table_new_column: * @tb: table * @name: column header * @whint: column width hint (absolute width: N > 1; relative width: N < 1) * @flags: flags integer * * This is shortcut for * * cl = scols_new_column(); * scols_column_set_....(cl, ...); * scols_table_add_column(tb, cl); * * The column width is possible to define by three ways: * * @whint = 0..1 : relative width, percent of terminal width * * @whint = 1..N : absolute width, empty colum will be truncated to * the column header width * * @whint = 1..N * * The column is necessary to address by * sequential number. The first defined column has the colnum = 0. For example: * * scols_table_new_column(tab, "FOO", 0.5, 0); // colnum = 0 * scols_table_new_column(tab, "BAR", 0.5, 0); // colnum = 1 * . * . * scols_line_get_cell(line, 0); // FOO column * scols_line_get_cell(line, 1); // BAR column * * Returns: newly allocated column */ struct libscols_column *scols_table_new_column(struct libscols_table *tb, const char *name, double whint, int flags) { struct libscols_column *cl; struct libscols_cell *hr; assert (tb); if (!tb) return NULL; cl = scols_new_column(); if (!cl) return NULL; /* set column name */ hr = scols_column_get_header(cl); if (!hr) goto err; if (scols_cell_set_data(hr, name)) goto err; scols_column_set_whint(cl, whint); scols_column_set_flags(cl, flags); if (scols_table_add_column(tb, cl)) /* this increments column ref-counter */ goto err; scols_unref_column(cl); return cl; err: scols_unref_column(cl); return NULL; }
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); }
static struct libscols_column *parse_column(FILE *f) { size_t len = 0; char *line = NULL; int nlines = 0; struct libscols_column *cl = NULL; while (getline(&line, &len, f) != -1) { char *p = strrchr(line, '\n'); if (p) *p = '\0'; switch (nlines) { case 0: /* NAME */ { struct libscols_cell *hr; cl = scols_new_column(); if (!cl) goto fail; hr = scols_column_get_header(cl); if (!hr || scols_cell_set_data(hr, line)) goto fail; break; } case 1: /* WIDTH-HINT */ { double whint = strtod_or_err(line, "failed to parse column whint"); if (scols_column_set_whint(cl, whint)) goto fail; break; } case 2: /* FLAGS */ { int num_flags = parse_column_flags(line); if (scols_column_set_flags(cl, num_flags)) goto fail; if (strcmp(line, "wrapnl") == 0) { scols_column_set_wrapfunc(cl, scols_wrapnl_chunksize, scols_wrapnl_nextchunk, NULL); scols_column_set_safechars(cl, "\n"); } break; } case 3: /* COLOR */ if (scols_column_set_color(cl, line)) goto fail; break; default: break; } nlines++; } free(line); return cl; fail: free(line); scols_unref_column(cl); return NULL; }