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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 19:33:32 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 19:33:32 +0000
commit8bb05ac73a5b448b339ce0bc8d396c82c459b47f (patch)
tree1fdda006866bca20d41cb206767ea5241e36852f /include/column-list-table.h
parentAdding debian version 2.39.3-11. (diff)
downloadutil-linux-8bb05ac73a5b448b339ce0bc8d396c82c459b47f.tar.xz
util-linux-8bb05ac73a5b448b339ce0bc8d396c82c459b47f.zip
Merging upstream version 2.40.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/column-list-table.h')
-rw-r--r--include/column-list-table.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/include/column-list-table.h b/include/column-list-table.h
new file mode 100644
index 0000000..1629336
--- /dev/null
+++ b/include/column-list-table.h
@@ -0,0 +1,88 @@
+/*
+ * column-list-table.h - helper functions for implementing -H/--list-columns option
+ *
+ * Copyright (C) 2023 Red Hat, Inc. All rights reserved.
+ * Written by Masatake YAMATO <yamato@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef UTIL_LINUX_COLUMN_LIST_TABLE_H
+#define UTIL_LINUX_COLUMN_LIST_TABLE_H
+
+#include "libsmartcols.h"
+#include <stdio.h>
+
+enum { CLT_COL_HOLDER, CLT_COL_TYPE, CLT_COL_DESC };
+
+static inline struct libscols_table *xcolumn_list_table_new(const char *table_name,
+ FILE *out,
+ int raw,
+ int json)
+{
+ struct clt_colinfo {
+ const char *name;
+ int flags;
+ };
+ struct libscols_table *tb;
+
+ scols_init_debug(0);
+
+ tb = scols_new_table();
+ if (!tb)
+ err(EXIT_FAILURE, _("failed to allocate output table"));
+
+ scols_table_set_name(tb, table_name);
+ scols_table_set_stream(tb, out);
+ scols_table_enable_noheadings(tb, 1);
+ scols_table_enable_raw(tb, raw);
+ scols_table_enable_json(tb, json);
+
+ if (!scols_table_new_column(tb, "HOLDER", 0, SCOLS_FL_RIGHT))
+ goto failed;
+ if (!scols_table_new_column(tb, "TYPE", 0, 0))
+ goto failed;
+ if (!scols_table_new_column(tb, "DESCRIPTION", 0, 0))
+ goto failed;
+ return tb;
+
+ failed:
+ err(EXIT_FAILURE, _("failed to allocate output column"));
+}
+
+static inline void xcolumn_list_table_append_line(struct libscols_table *tb,
+ const char *name,
+ int json_type, const char *fallback_typename,
+ const char *desc)
+{
+ struct libscols_line *ln = scols_table_new_line(tb, NULL);
+ if (!ln)
+ err(EXIT_FAILURE, _("failed to allocate output line"));
+
+ if (scols_line_set_data(ln, CLT_COL_HOLDER, name))
+ err(EXIT_FAILURE, _("failed to add output data"));
+ if (scols_line_set_data(ln, CLT_COL_TYPE, (json_type == SCOLS_JSON_STRING ? "<string>":
+ json_type == SCOLS_JSON_ARRAY_STRING ? "<string>":
+ json_type == SCOLS_JSON_ARRAY_NUMBER ? "<string>":
+ json_type == SCOLS_JSON_NUMBER ? "<integer>":
+ json_type == SCOLS_JSON_FLOAT ? "<float>":
+ json_type == SCOLS_JSON_BOOLEAN ? "<boolean>":
+ fallback_typename ?: "<string>")))
+ err(EXIT_FAILURE, _("failed to add output data"));
+ if (scols_line_set_data(ln, CLT_COL_DESC, desc))
+ err(EXIT_FAILURE, _("failed to add output data"));
+}
+
+#endif