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From a53afb337985f8f1c7fe8f620fe30cec87f554d5 Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Thu, 8 Nov 2018 21:17:47 +0100
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Subject: [PATCH] format-table: add table_update() to update existing entries
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(cherry picked from commit 27e730e6d0a7709c17ccef170f10846e92dca2a0)
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Related: #1689832
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---
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 src/basic/format-table.c | 40 ++++++++++++++++++++++++++++++++++++++++
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 src/basic/format-table.h |  2 ++
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 2 files changed, 42 insertions(+)
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diff --git a/src/basic/format-table.c b/src/basic/format-table.c
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index a3ff527e91..302642d748 100644
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--- a/src/basic/format-table.c
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+++ b/src/basic/format-table.c
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@@ -590,6 +590,46 @@ int table_set_url(Table *t, TableCell *cell, const char *url) {
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         return free_and_replace(table_get_data(t, cell)->url, copy);
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 }
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+int table_update(Table *t, TableCell *cell, TableDataType type, const void *data) {
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+        _cleanup_free_ char *curl = NULL;
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+        TableData *nd, *od;
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+        size_t i;
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+
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+        assert(t);
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+        assert(cell);
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+
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+        i = TABLE_CELL_TO_INDEX(cell);
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+        if (i >= t->n_cells)
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+                return -ENXIO;
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+
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+        assert_se(od = t->data[i]);
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+
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+        if (od->url) {
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+                curl = strdup(od->url);
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+                if (!curl)
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+                        return -ENOMEM;
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+        }
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+
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+        nd = table_data_new(
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+                        type,
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+                        data,
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+                        od->minimum_width,
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+                        od->maximum_width,
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+                        od->weight,
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+                        od->align_percent,
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+                        od->ellipsize_percent);
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+        if (!nd)
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+                return -ENOMEM;
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+
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+        nd->color = od->color;
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+        nd->url = TAKE_PTR(curl);
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+
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+        table_data_unref(od);
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+        t->data[i] = nd;
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+
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+        return 0;
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+}
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+
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 int table_add_many_internal(Table *t, TableDataType first_type, ...) {
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         TableDataType type;
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         va_list ap;
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diff --git a/src/basic/format-table.h b/src/basic/format-table.h
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index 07cb2351cb..4273c8c49b 100644
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--- a/src/basic/format-table.h
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+++ b/src/basic/format-table.h
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@@ -46,6 +46,8 @@ int table_set_ellipsize_percent(Table *t, TableCell *cell, unsigned percent);
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 int table_set_color(Table *t, TableCell *cell, const char *color);
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 int table_set_url(Table *t, TableCell *cell, const char *color);
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+int table_update(Table *t, TableCell *cell, TableDataType type, const void *data);
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+
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 int table_add_many_internal(Table *t, TableDataType first_type, ...);
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 #define table_add_many(t, ...) table_add_many_internal(t, __VA_ARGS__, _TABLE_DATA_TYPE_MAX)
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