1 files changed, 118 insertions, 0 deletions
diff --git a/resize/sim_progress.c b/resize/sim_progress.c
new file mode 100644
index 0000000..321becd
--- /dev/null
+++ b/resize/sim_progress.c
@@ -0,0 +1,118 @@
+/*
+ * sim_progress.c --- simple progress meter
+ *
+ * Copyright (C) 1997, 1998 by Theodore Ts'o and
+ * 	PowerQuest, Inc.
+ *
+ * Copyright (C) 1999, 2000 by Theodore Ts'o
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+#include "config.h"
+#include "resize2fs.h"
+
+struct ext2_sim_progress {
+	FILE	*f;
+	char	*label;
+	int	labelwidth;
+	int	barwidth;
+	__u32	maxdone;
+	__u32	current;
+	int	shown;
+	int	flags;
+};
+
+static errcode_t ext2fs_progress_display(ext2_sim_progmeter prog)
+{
+	int	i, width;
+
+	fputs(prog->label, prog->f);
+	width = prog->labelwidth - strlen(prog->label);
+	while (width-- > 0)
+		putc(' ', prog->f);
+	if (prog->labelwidth + prog->barwidth > 80) {
+		fputs("\n", prog->f);
+		for (width = prog->labelwidth; width > 0; width--)
+			putc(' ', prog->f);
+	}
+	for (i=0; i < prog->barwidth; i++)
+		putc('-', prog->f);
+	for (i=0; i < prog->barwidth; i++)
+		putc('\b', prog->f);
+	fflush(prog->f);
+	return 0;
+}
+
+
+void ext2fs_progress_update(ext2_sim_progmeter prog, __u32 current)
+{
+	int		old_level, level, num, i;
+
+	level = prog->barwidth * current / prog->maxdone;
+	old_level = prog->barwidth * prog->current / prog->maxdone;
+	prog->current = current;
+
+	num = level - old_level;
+	if (num == 0)
+		return;
+
+	if (num > 0) {
+		for (i=0; i < num; i++)
+			putc('X', prog->f);
+	} else {
+		num = -num;
+		for (i=0; i < num; i++)
+			putc('\b', prog->f);
+		for (i=0; i < num; i++)
+			putc('-', prog->f);
+		for (i=0; i < num; i++)
+			putc('\b', prog->f);
+	}
+	fflush(prog->f);
+}
+
+errcode_t ext2fs_progress_init(ext2_sim_progmeter *ret_prog,
+			       const char *label,
+			       int labelwidth, int barwidth,
+			       __u32 maxdone, int flags)
+{
+	ext2_sim_progmeter	prog;
+	errcode_t		retval;
+
+	retval = ext2fs_get_mem(sizeof(struct ext2_sim_progress), &prog);
+	if (retval)
+		return retval;
+	memset(prog, 0, sizeof(struct ext2_sim_progress));
+
+	retval = ext2fs_get_mem(strlen(label)+1, &prog->label);
+	if (retval) {
+		free(prog);
+		return retval;
+	}
+	strcpy(prog->label, label);
+	prog->labelwidth = labelwidth;
+	prog->barwidth = barwidth;
+	prog->flags = flags;
+	prog->maxdone = maxdone;
+	prog->current = 0;
+	prog->shown = 0;
+	prog->f = stdout;
+
+	*ret_prog = prog;
+
+	return ext2fs_progress_display(prog);
+}
+
+void ext2fs_progress_close(ext2_sim_progmeter prog)
+{
+
+	if (prog->label)
+		ext2fs_free_mem(&prog->label);
+	ext2fs_free_mem(&prog);
+	printf("\n");
+	return;
+}