1 files changed, 74 insertions, 0 deletions
diff --git a/lib/dpkg/progress.c b/lib/dpkg/progress.c
new file mode 100644
index 0000000..1bf2512
--- /dev/null
+++ b/lib/dpkg/progress.c
@@ -0,0 +1,74 @@
+/*
+ * libdpkg - Debian packaging suite library routines
+ * progress.c - generic progress reporting
+ *
+ * Copyright © 2009 Romain Francoise <rfrancoise@debian.org>
+ * Copyright © 2009 Guillem Jover <guillem@debian.org>
+ *
+ * This 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 is distributed in the hope that it will 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, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <compat.h>
+
+#include <unistd.h>
+#include <stdio.h>
+
+#include <dpkg/i18n.h>
+
+#include "progress.h"
+
+void
+progress_init(struct progress *progress, const char *text, int max)
+{
+	progress->text = text;
+	progress->max = max;
+	progress->cur = 0;
+	progress->last_percent = 0;
+
+	progress->on_tty = isatty(1);
+
+	if (progress->on_tty)
+		printf("%s\r", text);
+	else
+		printf("%s", text);
+}
+
+void
+progress_step(struct progress *progress)
+{
+	int cur_percent;
+
+	if (!progress->on_tty)
+		return;
+
+	progress->cur++;
+
+	cur_percent = (progress->cur * 100) / progress->max;
+	if (cur_percent <= progress->last_percent)
+		return;
+	if (cur_percent % 5)
+		return;
+
+	progress->last_percent = cur_percent;
+
+	printf("%s%d%%\r", progress->text, cur_percent);
+}
+
+void
+progress_done(struct progress *progress)
+{
+	if (progress->on_tty)
+		printf("%s", progress->text);
+}